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HARTFORDBUSINESS.COM | OCTOBER 20, 2025 25 THE LISTS LARGEST MANUFACTURERS IN GREATER HARTFORD Ranked by number of local employees Largest manufacturers in Greater Hartford Ranked by number of local employees Manufacturer Local employees/ statewide/ total Description Ownership type/ ticker symbol/ year founded Top local executive(s) 1 RTX Corp. (1) 10 Farm Springs Road, Farmington 06032 860-728-7000; rtx.com 16,500 16,500 186,000 Products and services in aer e, security, air conditioning, building-automation, heating and cooling industries Public NYSE: RTX 1929 Chris T. Calio President & CEO 2 Stanley Black & Decker Inc. 1000 Stanley Drive, New Britain 06053 860-225-5111; stanleyblackanddecker.com 1,200 (2) 1,500 (2) 48,000 Tools, innovative solutions and engineered fastening systems Public NYSE:SWK 1843 Donald Allan Jr. CEO 3 Otis Elevator Co. 1 Carrier Place, Farmington 06032 860-676-6000; otis.com 1,000 (3) 1,000 72,000 Elevator and escalator manufacturing, installation and service Public NYSE: OTIS 1853 Judy F. Marks Chair, CEO & president 4 Kaman Corp. 1332 Blue Hills Ave., 06002 860-243-7100; kaman.com 990 (4) N/A N/A Manufacturer of aerospace parts and components and distributor of industrial products Private 1945 Ross Sealfon President & CEO 5 CooperSurgical Inc. (5) 75 Corporate Drive, Trumbull 06611 203-601-5200; coopersurgical.com 609 609 3,328 Manufacturer of products for fertility and women's health Public NASDAQ: COO (6) 1990 Holly Shef President 6 Legrand 60 Woodlawn St., West Hartford 06110 877-295-3472; legrand.us 514 N/A 5,379 (7) Global specialist in electrical and digital building infrastructures Public LR.PA; OTC: LGRDY (8) 1900 Brian DiBella President & CEO, Legrand North & Central America 7 TRUMPF Inc. 111 Hyde Road, Farmington 06032 860-255-6000; trumpf.com 478 802 1,662 Manufacturer of industrial lasers and fabricating machinery for processing sheet metal Private 1969 Lutz Labisch President & CEO 8 Broadridge Output Solutions Inc. (9) 125 Ellington Road, South Windsor 06074 860-290-7000; broadridge.com 420 (2) 420 (2) 15,000 Manufacturer of transactional documents Public NYSE: BR 2007 Al Tebbetts VP of operations 9 Connecticut Spring & Stamping Corp. 48 Spring Lane, Farmington 06032 860-677-1341; ctspring.com 400 N/A 400 Manufacturer of precision springs and metal shaped solutions; strategic supplier of custom springs, progressive stampings, laser welding and assemblies Private 1939 Peter Youmans CEO 9 Corbin Russwin, an ASSA ABLOY Co. 225 Episcopal Road, Berlin 06037 800-543-3658; corbinrusswin.com 400 (10) 400 (10) 450 (10) Commercial grade mechanical and electro-mechanical locks and door hardware Public ASSA-B.ST (11) 1839 Dave DeLacey General manager 9 Deringer-Ney Inc. 353 Woodland Ave., 06002 860-286-6101; deringerney.com 400 (12) N/A N/A Custom precious metal alloys Private 1812 (13) Jay Policastro President & CEO 9 Henkel Corp. North America (14) One Henkel Way, Rocky Hill 06067 860-571-5100; henkel-northamerica.com 400 1,000 47,000 Manufacturer of consumer goods and industrial adhesives, sealants and surface treatments Public DAX: HNK.DE 1876 Rajat Agarwal President, Henkel North America 9 Hobson & Motzer Inc. (15) 30 Airline Drive, Durham 06422 860-349-1756; hobsonmotzer.com 400 (16) N/A N/A Precision metal stamping and advanced machining including medical device market Private 1912 Brian King CEO, Vantedge Medical 14 3M 400 Research Parkway, Meriden 06450 203-237-5541; 3M.com 395 (17) N/A 61,500 Pr oducts locally Public NYSE: MMM 1902 William M. Brown CEO & chairman 14 Cummins 22 E. Dudley Town Road, 06002 860-243-1441; cummins.tech/jacobs 395 N/A 69,600 Designer and manufacturer of engine brakes, Jake Brakes, and valve actuation technologies for medium- and heavy-duty engine manufacturers worldwide Public NYSE: CMI 1919 Arun Ramachandran General manager 16 Zygo Corp., a division of Ametek Laurel Brook Road, 06455 860-347-8506; zygo.com 375 (18) N/A N/A Surface metrology microscopes & laser interferometers, plano & spherical optics, precision optics, electro-optic components & assemblies, displacement & distance sensor systems Public NYSE: AME 1970 Jennifer Hellberg (19) Division VP & business unit manager 17 ebm-papst Inc. 100 Hyde Road, Farmington 06032 860-674-1515; ebmpapst.us 360 N/A 13,800 Designer and manufacturer of high ef moving applications Private 1981 Mark J. Shiring CEO, Air Technology Americas 18 PCX Aerosystems (20) 300 Fenn Road, Newington 06111 860-666-2471; pcxaero.com 339 339 631 Proprietary & life-limited parts with rotorhead assemblies, transmissions, control systems, landing gear, external fuel tank systems, engine & structural airframe components and extendable refueling probes Private 1900 Thomas Holzthum CEO Aris Fotos President, Conn. operations 19 Avna Inc. (21) 200 Ellis St., New Britain 06051 860-225-8707; avna.com 320 320 480 Manufacturer of components and sub-assemblies for global medical device original equipment manufacturers (OEM) Private 1911 Jason M. Howey President & CEO 20 Barnes (22) 123 Main St., Bristol 06010 860-583-7070; onebarnes.com 300 (2) 525 (2) 5,700 (2) Highly engineered products, differentiated industrial technologies, and innovative solutions, serving a wide range of end markets and customers Private 1857 Thomas J. Hook President & CEO Source: Each manufacturer via survey as of Q2-Q3 2025. Note: Denmark-based LEGO is in the process of consolidating North American headquarters in Boston and is expected to fully exit Conn. by 2026; the oducts Corp. no longer discloses employee counts; 285 local employees and 675 companywide employees were reported on HBJ's Q3 2023 survey. N/A = Not available. (1) Formerly Raytheon Technologies; presence in Connecticut includes Collins Aerospace and Pratt & Whitney. (2) From HBJ's 2024 survey. (3) Includes employees in Shelton; Otis Worldwide does not disclose local employee counts. According to the Connecticut Department of Labor market research data as of March 2025, more than 90% of the statewide workforce is in Greater Hartford. (4) Local count falls within a range of 1,000 to 4,999 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. Employed just below 1,000 employees in May 2024, according to a July 2024 HBJ story, with further cuts expected as part of the restructuring. (5) A wholly owned subsidiary of The Cooper Cos. with an additional location in Guilford. (6) For parent company, The Cooper Cos. (7) North America; expected to add another 600 employees to portfolio due to acquisition of Cleveland-based Avtron Power Solutions. (8) Traded on Paris Stock Exchange and Legrand S.A. American Depository Receipts (ADR). (9) Broadridge Output Solutions is a subsidiary of Broadridge Financial Solutions Inc. Company-wide employee counts are based on Broadridge Financial Solutions Inc. (10) Employee counts from Q3 2023 survey and corbinrusswin.com. Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (11) Parent company Assa Abloy is traded on the Stockholm Stock Exchange. (12) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025 and T Report as of June 2023. (13) Founding year for J.M. Ney Co. (14) North American af . (15) San Jose, Calif.-based Vantedge Medical acquired Hobson & Motzer in August 2024; data from hobsonmotzer.com. (16) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (17) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. 3M reported 395 employees in Meriden on HBJ's 2021 survey. (18) Data from Q3 2023; local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (19) In March 2025, promoted to Vice president of Human Resour eplacement by press time. (20) Formerly SPX Precision Components. (21) Formerly Okay Industries. (22) Acquir 2025. -Compiled by Stephanie R. Meagher, research@nebusinessmedia.com Manufacturer Local employees/ statewide/ total Description Ownership type/ ticker symbol/ year founded Top local executive(s) 1 RTX Corp. (1) 10 Farm Springs Road, Farmington 06032 860-728-7000; rtx.com 16,500 16,500 186,000 Products and services in aerospace, fire, security, air conditioning, building-automation, heating and cooling industries Public NYSE: RTX 1929 Chris T. Calio President & CEO 2 Stanley Black & Decker Inc. 1000 Stanley Drive, New Britain 06053 860-225-5111; stanleyblackanddecker.com 1,200 (2) 1,500 (2) 48,000 Tools, innovative solutions and engineered fastening systems Public NYSE:SWK 1843 Donald Allan Jr. CEO 3 Otis Elevator Co. 1 Carrier Place, Farmington 06032 860-676-6000; otis.com 1,000 (3) 1,000 72,000 Elevator and escalator manufacturing, installation and service Public NYSE: OTIS 1853 Judy F. Marks Chair, CEO & president 4 Kaman Corp. 1332 Blue Hills Ave., Bloomfield 06002 860-243-7100; kaman.com 990 (4) N/A N/A Manufacturer of aerospace parts and components and distributor of industrial products Private 1945 Ross Sealfon President & CEO 5 CooperSurgical Inc. (5) 75 Corporate Drive, Trumbull 06611 203-601-5200; coopersurgical.com 609 609 3,328 Manufacturer of products for fertility and women's health Public NASDAQ: COO (6) 1990 Holly Sheffield President 6 Legrand 60 Woodlawn St., West Hartford 06110 877-295-3472; legrand.us 514 N/A 5,379 (7) Global specialist in electrical and digital building infrastructures Public LR.PA; OTC: LGRDY (8) 1900 Brian DiBella President & CEO, Legrand North & Central America 7 TRUMPF Inc. 111 Hyde Road, Farmington 06032 860-255-6000; trumpf.com 478 802 1,662 Manufacturer of industrial lasers and fabricating machinery for processing sheet metal Private 1969 Lutz Labisch President & CEO 8 Broadridge Output Solutions Inc. (9) 125 Ellington Road, South Windsor 06074 860-290-7000; broadridge.com 420 (2) 420 (2) 15,000 Manufacturer of transactional documents Public NYSE: BR 2007 Al Tebbetts VP of operations 9 Connecticut Spring & Stamping Corp. 48 Spring Lane, Farmington 06032 860-677-1341; ctspring.com 400 N/A 400 Manufacturer of precision springs and metal shaped solutions; strategic supplier of custom springs, progressive stampings, fineblanked stampings, machined components, fourslide parts, laser welding and assemblies Private 1939 Peter Youmans CEO 9 Corbin Russwin, an ASSA ABLOY Co. 225 Episcopal Road, Berlin 06037 800-543-3658; corbinrusswin.com 400 (10) 400 (10) 450 (10) Commercial grade mechanical and electro-mechanical locks and door hardware Public ASSA-B.ST (11) 1839 Dave DeLacey General manager 9 Deringer-Ney Inc. 353 Woodland Ave., Bloomfield 06002 860-286-6101; deringerney.com 400 (12) N/A N/A Custom precious metal alloys Private 1812 (13) Jay Policastro President & CEO 9 Henkel Corp. North America (14) One Henkel Way, Rocky Hill 06067 860-571-5100; henkel-northamerica.com 400 1,000 47,000 Manufacturer of consumer goods and industrial adhesives, sealants and surface treatments Public DAX: HNK.DE 1876 Rajat Agarwal President, Henkel North America 9 Hobson & Motzer Inc. (15) 30 Airline Drive, Durham 06422 860-349-1756; hobsonmotzer.com 400 (16) N/A N/A Precision metal stamping and advanced machining including medical device market Private 1912 Brian King CEO, Vantedge Medical 14 3M 400 Research Parkway, Meriden 06450 203-237-5541; 3M.com 395 (17) N/A 61,500 Producer of filtration products locally Public NYSE: MMM 1902 William M. Brown CEO & chairman 14 Cummins 22 E. Dudley Town Road, Bloomfield 06002 860-243-1441; cummins.tech/jacobs 395 N/A 69,600 Designer and manufacturer of engine brakes, Jake Brakes, and valve actuation technologies for medium- and heavy-duty engine manufacturers worldwide Public NYSE: CMI 1919 Arun Ramachandran General manager 16 Zygo Corp., a division of Ametek Laurel Brook Road, Middlefield 06455 860-347-8506; zygo.com 375 (18) N/A N/A Surface metrology microscopes & laser interferometers, plano & spherical optics, precision optics, electro-optic components & assemblies, displacement & distance sensor systems Public NYSE: AME 1970 Jennifer Hellberg (19) Division VP & business unit manager 17 ebm-papst Inc. 100 Hyde Road, Farmington 06032 860-674-1515; ebmpapst.us 360 N/A 13,800 Designer and manufacturer of high efficiency motors, fans and air moving applications Private 1981 Mark J. Shiring CEO, Air Technology Americas 18 PCX Aerosystems (20) 300 Fenn Road, Newington 06111 860-666-2471; pcxaero.com 339 339 631 Proprietary & life-limited parts with rotorhead assemblies, transmissions, control systems, landing gear, external fuel tank systems, engine & structural airframe components and extendable refueling probes Private 1900 Thomas Holzthum CEO Aris Fotos President, Conn. operations 19 Avna Inc. (21) 200 Ellis St., New Britain 06051 860-225-8707; avna.com 320 320 480 Manufacturer of components and sub-assemblies for global medical device original equipment manufacturers (OEM) Private 1911 Jason M. Howey President & CEO 20 Barnes (22) 123 Main St., Bristol 06010 860-583-7070; onebarnes.com 300 (2) 525 (2) 5,700 (2) Highly engineered products, differentiated industrial technologies, and innovative solutions, serving a wide range of end markets and customers Private 1857 Thomas J. Hook President & CEO Source: Each manufacturer via survey as of Q2-Q3 2025. Note: Denmark-based LEGO is in the process of consolidating North American headquarters in Boston and is expected to fully exit Conn. by 2026; the company had 400 employees in Enfield as of July 3, 2025. Middletown's Jarvis Products Corp. no longer discloses employee counts; 285 local employees and 675 companywide employees were reported on HBJ's Q3 2023 survey. N/A = Not available. (1) Formerly Raytheon Technologies; presence in Connecticut includes Collins Aerospace and Pratt & Whitney. (2) From HBJ's 2024 survey. (3) Includes employees in Shelton; Otis Worldwide does not disclose local employee counts. According to the Connecticut Department of Labor market research data as of March 2025, more than 90% of the statewide workforce is in Greater Hartford. (4) Local count falls within a range of 1,000 to 4,999 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. Employed just below 1,000 employees in May 2024, according to a July 2024 HBJ story, with further cuts expected as part of the restructuring. (5) A wholly owned subsidiary of The Cooper Cos. with an additional location in Guilford. (6) For parent company, The Cooper Cos. (7) North America; expected to add another 600 employees to portfolio due to acquisition of Cleveland-based Avtron Power Solutions. (8) Traded on Paris Stock Exchange and Legrand S.A. American Depository Receipts (ADR). (9) Broadridge Output Solutions is a subsidiary of Broadridge Financial Solutions Inc. Company-wide employee counts are based on Broadridge Financial Solutions Inc. (10) Employee counts from Q3 2023 survey and corbinrusswin.com. Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (11) Parent company Assa Abloy is traded on the Stockholm Stock Exchange. (12) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025 and Town of Bloomfield Annual Financial Report as of June 2023. (13) Founding year for J.M. Ney Co. (14) North American affiliate of Henkel AG & Co. KGaA based in Germany. (15) San Jose, Calif.-based Vantedge Medical acquired Hobson & Motzer in August 2024; data from hobsonmotzer.com. (16) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (17) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. 3M reported 395 employees in Meriden on HBJ's 2021 survey. (18) Data from Q3 2023; local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (19) In March 2025, promoted to Vice president of Human Resources; unable to confirm replacement by press time. (20) Formerly SPX Precision Components. (21) Formerly Okay Industries. (22) Acquired by private equity firm Apollo Global Management in a $3.6 billion deal that closed in Q1 2025. -Compiled by Stephanie R. Meagher, research@nebusinessmedia.com 5 CooperSurgical Inc. (5) 75 Corporate Drive, Trumbull 06611 203-601-5200; coopersurgical.com 609 609 3,328 Manufacturer of products for 6 Legrand 60 Woodlawn St., West Hartford 06110 877-295-3472; legrand.us 514 N/A 5,379 (7) Global specialist in electrical 7 TRUMPF Inc. 111 Hyde Road, Farmington 06032 860-255-6000; trumpf.com 478 802 1,662 Manufacturer of industrial lasers processing sheet metal 8 Broadridge Output Solutions Inc. (9) 125 Ellington Road, South Windsor 06074 860-290-7000; broadridge.com 420 (2) 420 (2) 15,000 Manufacturer of transactional 9 Connecticut Spring & Stamping Corp. 48 Spring Lane, Farmington 06032 860-677-1341; ctspring.com 400 N/A 400 Manufacturer of precision springs strategic supplier of custom fineblanked stampings, machined laser welding and assemblies 9 Corbin Russwin, an ASSA ABLOY Co. 225 Episcopal Road, Berlin 06037 800-543-3658; corbinrusswin.com 400 (10) 400 (10) 450 (10) Commercial grade mechanical door hardware 9 Deringer-Ney Inc. 353 Woodland Ave., Bloomfield 06002 860-286-6101; deringerney.com 400 (12) N/A N/A Custom precious metal alloys 9 Henkel Corp. North America (14) One Henkel Way, Rocky Hill 06067 860-571-5100; henkel-northamerica.com 400 1,000 47,000 Manufacturer of consumer and surface treatments 9 Hobson & Motzer Inc. (15) 30 Airline Drive, Durham 06422 860-349-1756; hobsonmotzer.com 400 (16) N/A N/A Precision metal stamping and medical device market 14 3M 400 Research Parkway, Meriden 06450 203-237-5541; 3M.com 395 (17) N/A 61,500 Producer of filtration products 14 Cummins 22 E. Dudley Town Road, Bloomfield 06002 860-243-1441; cummins.tech/jacobs 395 N/A 69,600 Designer and manufacturer valve actuation technologies manufacturers worldwide 16 Zygo Corp., a division of Ametek Laurel Brook Road, Middlefield 06455 860-347-8506; zygo.com 375 (18) N/A N/A Surface metrology microscopes spherical optics, precision optics, assemblies, displacement & 17 ebm-papst Inc. 100 Hyde Road, Farmington 06032 860-674-1515; ebmpapst.us 360 N/A 13,800 Designer and manufacturer moving applications 18 PCX Aerosystems (20) 300 Fenn Road, Newington 06111 860-666-2471; pcxaero.com 339 339 631 Proprietary & life-limited parts transmissions, control systems, systems, engine & structural refueling probes 19 Avna Inc. (21) 200 Ellis St., New Britain 06051 860-225-8707; avna.com 320 320 480 Manufacturer of components medical device original equipment 20 Barnes (22) 123 Main St., Bristol 06010 860-583-7070; onebarnes.com 300 (2) 525 (2) 5,700 (2) Highly engineered products, and innovative solutions, serving customers Source: Each manufacturer via survey as of Q2-Q3 2025. Note: Denmark-based LEGO is in the process of consolidating company had 400 employees in Enfield as of July 3, 2025. Middletown's Jarvis Products Corp. no longer discloses HBJ's Q3 2023 survey. N/A = Not available. (1) Formerly Raytheon Technologies; presence in Connecticut includes Collins Aerospace and Pratt & Whitney. (2) From HBJ's 2024 survey. (3) Includes employees in Shelton; Otis Worldwide does not disclose local employee counts. According to the Connecticut Department of Labor market research data as of March 2025, more than 90% of the statewide workforce is in Greater Hartford. (4) Local count falls within a range of 1,000 to 4,999 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. Employed just below 1,000 employees in May 2024, according to a July 2024 HBJ story, with further cuts expected as part of the restructuring. (5) A wholly owned subsidiary of The Cooper Cos. with an additional location in Guilford. (6) For parent company, The Cooper Cos. (7) North America; expected to add another 600 employees to portfolio due to acquisition of Cleveland-based Avtron Power Solutions. (8) Traded on Paris Stock Exchange and Legrand S.A. American Depository Receipts (ADR). (9) Broadridge Output Solutions is a subsidiary of Broadridge Financial Solutions Inc. Company-wide employee counts are based on Broadridge Financial Solutions Inc. (10) Employee counts from Q3 2023 survey and corbinrusswin.com. Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (11) Parent company Assa Abloy is traded on the Stockholm Stock Exchange. (12) Local Department Report as (13) Founding (14) North (15) San hobsonmotzer.com. (16) Local Department (17) Local Department on HBJ's (18) Data Connecticut (19) In March by press (20) Formerly (21) Formerly (22) Acquired 2025. -Compiled by Stephanie R. Meagher, research@nebusinessmedia.com 2 Stanley Black & Decker Inc. 1000 Stanley Drive, New Britain 06053 860-225-5111; stanleyblackanddecker.com 1,200 (2) 1,500 (2) 48,000 Tools, innovative solutions and engineered fastening systems Public NYSE:SWK 1843 Donald Allan Jr. CEO 3 Otis Elevator Co. 1 Carrier Place, Farmington 06032 860-676-6000; otis.com 1,000 (3) 1,000 72,000 Elevator and escalator manufacturing, installation and service Public NYSE: OTIS 1853 Judy F. Marks Chair, CEO & president 4 Kaman Corp. 1332 Blue Hills Ave., Bloomfield 06002 860-243-7100; kaman.com 990 (4) N/A N/A Manufacturer of aerospace parts and components and distributor of industrial products Private 1945 Ross Sealfon President & CEO 5 CooperSurgical Inc. (5) 75 Corporate Drive, Trumbull 06611 203-601-5200; coopersurgical.com 609 609 3,328 Manufacturer of products for fertility and women's health Public NASDAQ: COO (6) 1990 Holly Sheffield President 6 Legrand 60 Woodlawn St., West Hartford 06110 877-295-3472; legrand.us 514 N/A 5,379 (7) Global specialist in electrical and digital building infrastructures Public LR.PA; OTC: LGRDY (8) 1900 Brian DiBella President & CEO, Legrand North & Central America 7 TRUMPF Inc. 111 Hyde Road, Farmington 06032 860-255-6000; trumpf.com 478 802 1,662 Manufacturer of industrial lasers and fabricating machinery for processing sheet metal Private 1969 Lutz Labisch President & CEO 8 Broadridge Output Solutions Inc. (9) 125 Ellington Road, South Windsor 06074 860-290-7000; broadridge.com 420 (2) 420 (2) 15,000 Manufacturer of transactional documents Public NYSE: BR 2007 Al Tebbetts VP of operations 9 Connecticut Spring & Stamping Corp. 48 Spring Lane, Farmington 06032 860-677-1341; ctspring.com 400 N/A 400 Manufacturer of precision springs and metal shaped solutions; strategic supplier of custom springs, progressive stampings, fineblanked stampings, machined components, fourslide parts, laser welding and assemblies Private 1939 Peter Youmans CEO 9 Corbin Russwin, an ASSA ABLOY Co. 225 Episcopal Road, Berlin 06037 800-543-3658; corbinrusswin.com 400 (10) 400 (10) 450 (10) Commercial grade mechanical and electro-mechanical locks and door hardware Public ASSA-B.ST (11) 1839 Dave DeLacey General manager 9 Deringer-Ney Inc. 353 Woodland Ave., Bloomfield 06002 860-286-6101; deringerney.com 400 (12) N/A N/A Custom precious metal alloys Private 1812 (13) Jay Policastro President & CEO 9 Henkel Corp. North America (14) One Henkel Way, Rocky Hill 06067 860-571-5100; henkel-northamerica.com 400 1,000 47,000 Manufacturer of consumer goods and industrial adhesives, sealants and surface treatments Public DAX: HNK.DE 1876 Rajat Agarwal President, Henkel North America 9 Hobson & Motzer Inc. (15) 30 Airline Drive, Durham 06422 860-349-1756; hobsonmotzer.com 400 (16) N/A N/A Precision metal stamping and advanced machining including medical device market Private 1912 Brian King CEO, Vantedge Medical 14 3M 400 Research Parkway, Meriden 06450 203-237-5541; 3M.com 395 (17) N/A 61,500 Producer of filtration products locally Public NYSE: MMM 1902 William M. Brown CEO & chairman 14 Cummins 22 E. Dudley Town Road, Bloomfield 06002 860-243-1441; cummins.tech/jacobs 395 N/A 69,600 Designer and manufacturer of engine brakes, Jake Brakes, and valve actuation technologies for medium- and heavy-duty engine manufacturers worldwide Public NYSE: CMI 1919 Arun Ramachandran General manager 16 Zygo Corp., a division of Ametek Laurel Brook Road, Middlefield 06455 860-347-8506; zygo.com 375 (18) N/A N/A Surface metrology microscopes & laser interferometers, plano & spherical optics, precision optics, electro-optic components & assemblies, displacement & distance sensor systems Public NYSE: AME 1970 Jennifer Hellberg (19) Division VP & business unit manager 17 ebm-papst Inc. 100 Hyde Road, Farmington 06032 860-674-1515; ebmpapst.us 360 N/A 13,800 Designer and manufacturer of high efficiency motors, fans and air moving applications Private 1981 Mark J. Shiring CEO, Air Technology Americas 18 PCX Aerosystems (20) 300 Fenn Road, Newington 06111 860-666-2471; pcxaero.com 339 339 631 Proprietary & life-limited parts with rotorhead assemblies, transmissions, control systems, landing gear, external fuel tank systems, engine & structural airframe components and extendable refueling probes Private 1900 Thomas Holzthum CEO Aris Fotos President, Conn. operations 19 Avna Inc. (21) 200 Ellis St., New Britain 06051 860-225-8707; avna.com 320 320 480 Manufacturer of components and sub-assemblies for global medical device original equipment manufacturers (OEM) Private 1911 Jason M. Howey President & CEO 20 Barnes (22) 123 Main St., Bristol 06010 860-583-7070; onebarnes.com 300 (2) 525 (2) 5,700 (2) Highly engineered products, differentiated industrial technologies, and innovative solutions, serving a wide range of end markets and customers Private 1857 Thomas J. Hook President & CEO Source: Each manufacturer via survey as of Q2-Q3 2025. Note: Denmark-based LEGO is in the process of consolidating North American headquarters in Boston and is expected to fully exit Conn. by 2026; the company had 400 employees in Enfield as of July 3, 2025. Middletown's Jarvis Products Corp. no longer discloses employee counts; 285 local employees and 675 companywide employees were reported on HBJ's Q3 2023 survey. N/A = Not available. (1) Formerly Raytheon Technologies; presence in Connecticut includes Collins Aerospace and Pratt & Whitney. (2) From HBJ's 2024 survey. (3) Includes employees in Shelton; Otis Worldwide does not disclose local employee counts. According to the Connecticut Department of Labor market research data as of March 2025, more than 90% of the statewide workforce is in Greater Hartford. (4) Local count falls within a range of 1,000 to 4,999 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. Employed just below 1,000 employees in May 2024, according to a July 2024 HBJ story, with further cuts expected as part of the restructuring. (5) A wholly owned subsidiary of The Cooper Cos. with an additional location in Guilford. (6) For parent company, The Cooper Cos. (7) North America; expected to add another 600 employees to portfolio due to acquisition of Cleveland-based Avtron Power Solutions. (8) Traded on Paris Stock Exchange and Legrand S.A. American Depository Receipts (ADR). (9) Broadridge Output Solutions is a subsidiary of Broadridge Financial Solutions Inc. Company-wide employee counts are based on Broadridge Financial Solutions Inc. (10) Employee counts from Q3 2023 survey and corbinrusswin.com. Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (11) Parent company Assa Abloy is traded on the Stockholm Stock Exchange. (12) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025 and Town of Bloomfield Annual Financial Report as of June 2023. (13) Founding year for J.M. Ney Co. (14) North American affiliate of Henkel AG & Co. KGaA based in Germany. (15) San Jose, Calif.-based Vantedge Medical acquired Hobson & Motzer in August 2024; data from hobsonmotzer.com. (16) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (17) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. 3M reported 395 employees in Meriden on HBJ's 2021 survey. (18) Data from Q3 2023; local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (19) In March 2025, promoted to Vice president of Human Resources; unable to confirm replacement by press time. (20) Formerly SPX Precision Components. (21) Formerly Okay Industries. (22) Acquired by private equity firm Apollo Global Management in a $3.6 billion deal that closed in Q1 2025. -Compiled by Stephanie R. Meagher, research@nebusinessmedia.com 1 RTX Corp. (1) 10 Farm Springs Road, Farmington 06032 860-728-7000; rtx.com 16,500 16,500 186,000 Products and services in aerospace, fire, security, air conditioning, building-automation, heating and cooling industries Public NYSE: RTX 1929 Chris T. Calio President & CEO 2 Stanley Black & Decker Inc. 1000 Stanley Drive, New Britain 06053 860-225-5111; stanleyblackanddecker.com 1,200 (2) 1,500 (2) 48,000 Tools, innovative solutions and engineered fastening systems Public NYSE:SWK 1843 Donald Allan Jr. CEO 3 Otis Elevator Co. 1 Carrier Place, Farmington 06032 860-676-6000; otis.com 1,000 (3) 1,000 72,000 Elevator and escalator manufacturing, installation and service Public NYSE: OTIS 1853 Judy F. Marks Chair, CEO & president 4 Kaman Corp. 1332 Blue Hills Ave., Bloomfield 06002 860-243-7100; kaman.com 990 (4) N/A N/A Manufacturer of aerospace parts and components and distributor of industrial products Private 1945 Ross Sealfon President & CEO 5 CooperSurgical Inc. (5) 75 Corporate Drive, Trumbull 06611 203-601-5200; coopersurgical.com 609 609 3,328 Manufacturer of products for fertility and women's health Public NASDAQ: COO (6) 1990 Holly Sheffield President 6 Legrand 60 Woodlawn St., West Hartford 06110 877-295-3472; legrand.us 514 N/A 5,379 (7) Global specialist in electrical and digital building infrastructures Public LR.PA; OTC: LGRDY (8) 1900 Brian DiBella President & CEO, Legrand North & Central America 7 TRUMPF Inc. 111 Hyde Road, Farmington 06032 860-255-6000; trumpf.com 478 802 1,662 Manufacturer of industrial lasers and fabricating machinery for processing sheet metal Private 1969 Lutz Labisch President & CEO 8 Broadridge Output Solutions Inc. (9) 125 Ellington Road, South Windsor 06074 860-290-7000; broadridge.com 420 (2) 420 (2) 15,000 Manufacturer of transactional documents Public NYSE: BR 2007 Al Tebbetts VP of operations 9 Connecticut Spring & Stamping Corp. 48 Spring Lane, Farmington 06032 860-677-1341; ctspring.com 400 N/A 400 Manufacturer of precision springs and metal shaped solutions; strategic supplier of custom springs, progressive stampings, fineblanked stampings, machined components, fourslide parts, laser welding and assemblies Private 1939 Peter Youmans CEO 9 Corbin Russwin, an ASSA ABLOY Co. 225 Episcopal Road, Berlin 06037 800-543-3658; corbinrusswin.com 400 (10) 400 (10) 450 (10) Commercial grade mechanical and electro-mechanical locks and door hardware Public ASSA-B.ST (11) 1839 Dave DeLacey General manager 9 Deringer-Ney Inc. 353 Woodland Ave., Bloomfield 06002 860-286-6101; deringerney.com 400 (12) N/A N/A Custom precious metal alloys Private 1812 (13) Jay Policastro President & CEO 9 Henkel Corp. North America (14) One Henkel Way, Rocky Hill 06067 860-571-5100; henkel-northamerica.com 400 1,000 47,000 Manufacturer of consumer goods and industrial adhesives, sealants and surface treatments Public DAX: HNK.DE 1876 Rajat Agarwal President, Henkel North America 9 Hobson & Motzer Inc. (15) 30 Airline Drive, Durham 06422 860-349-1756; hobsonmotzer.com 400 (16) N/A N/A Precision metal stamping and advanced machining including medical device market Private 1912 Brian King CEO, Vantedge Medical 14 3M 400 Research Parkway, Meriden 06450 203-237-5541; 3M.com 395 (17) N/A 61,500 Producer of filtration products locally Public NYSE: MMM 1902 William M. Brown CEO & chairman 14 Cummins 22 E. Dudley Town Road, Bloomfield 06002 860-243-1441; cummins.tech/jacobs 395 N/A 69,600 Designer and manufacturer of engine brakes, Jake Brakes, and valve actuation technologies for medium- and heavy-duty engine manufacturers worldwide Public NYSE: CMI 1919 Arun Ramachandran General manager 16 Zygo Corp., a division of Ametek Laurel Brook Road, Middlefield 06455 860-347-8506; zygo.com 375 (18) N/A N/A Surface metrology microscopes & laser interferometers, plano & spherical optics, precision optics, electro-optic components & assemblies, displacement & distance sensor systems Public NYSE: AME 1970 Jennifer Hellberg (19) Division VP & business unit manager 17 ebm-papst Inc. 100 Hyde Road, Farmington 06032 860-674-1515; ebmpapst.us 360 N/A 13,800 Designer and manufacturer of high efficiency motors, fans and air moving applications Private 1981 Mark J. Shiring CEO, Air Technology Americas 18 PCX Aerosystems (20) 300 Fenn Road, Newington 06111 860-666-2471; pcxaero.com 339 339 631 Proprietary & life-limited parts with rotorhead assemblies, transmissions, control systems, landing gear, external fuel tank systems, engine & structural airframe components and extendable refueling probes Private 1900 Thomas Holzthum CEO Aris Fotos President, Conn. operations 19 Avna Inc. (21) 200 Ellis St., New Britain 06051 860-225-8707; avna.com 320 320 480 Manufacturer of components and sub-assemblies for global medical device original equipment manufacturers (OEM) Private 1911 Jason M. Howey President & CEO 20 Barnes (22) 123 Main St., Bristol 06010 860-583-7070; onebarnes.com 300 (2) 525 (2) 5,700 (2) Highly engineered products, differentiated industrial technologies, and innovative solutions, serving a wide range of end markets and customers Private 1857 Thomas J. Hook President & CEO Source: Each manufacturer via survey as of Q2-Q3 2025. Note: Denmark-based LEGO is in the process of consolidating North American headquarters in Boston and is expected to fully exit Conn. by 2026; the company had 400 employees in Enfield as of July 3, 2025. Middletown's Jarvis Products Corp. no longer discloses employee counts; 285 local employees and 675 companywide employees were reported on HBJ's Q3 2023 survey. N/A = Not available. (1) Formerly Raytheon Technologies; presence in Connecticut includes Collins Aerospace and Pratt & Whitney. (2) From HBJ's 2024 survey. (3) Includes employees in Shelton; Otis Worldwide does not disclose local employee counts. According to the Connecticut Department of Labor market research data as of March 2025, more than 90% of the statewide workforce is in Greater Hartford. (4) Local count falls within a range of 1,000 to 4,999 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. Employed just below 1,000 employees in May 2024, according to a July 2024 HBJ story, with further cuts expected as part of the restructuring. (5) A wholly owned subsidiary of The Cooper Cos. with an additional location in Guilford. (6) For parent company, The Cooper Cos. (7) North America; expected to add another 600 employees to portfolio due to acquisition of Cleveland-based Avtron Power Solutions. (8) Traded on Paris Stock Exchange and Legrand S.A. American Depository Receipts (ADR). (9) Broadridge Output Solutions is a subsidiary of Broadridge Financial Solutions Inc. Company-wide employee counts are based on Broadridge Financial Solutions Inc. (10) Employee counts from Q3 2023 survey and corbinrusswin.com. Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (11) Parent company Assa Abloy is traded on the Stockholm Stock Exchange. (12) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025 and Town of Bloomfield Annual Financial Report as of June 2023. (13) Founding year for J.M. Ney Co. (14) North American affiliate of Henkel AG & Co. KGaA based in Germany. (15) San Jose, Calif.-based Vantedge Medical acquired Hobson & Motzer in August 2024; data from hobsonmotzer.com. (16) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (17) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. 3M reported 395 employees in Meriden on HBJ's 2021 survey. (18) Data from Q3 2023; local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (19) In March 2025, promoted to Vice president of Human Resources; unable to confirm replacement by press time. (20) Formerly SPX Precision Components. (21) Formerly Okay Industries. (22) Acquired by private equity firm Apollo Global Management in a $3.6 billion deal that closed in Q1 2025. -Compiled by Stephanie R. Meagher, research@nebusinessmedia.com 1 RTX Corp. (1) 10 Farm Springs Road, Farmington 06032 860-728-7000; rtx.com 16,500 16,500 186,000 Products and services in aerospace, fire, security, air conditioning, building-automation, heating and cooling industries Public NYSE: RTX 1929 Chris T. Calio President & CEO 2 Stanley Black & Decker Inc. 1000 Stanley Drive, New Britain 06053 860-225-5111; stanleyblackanddecker.com 1,200 (2) 1,500 (2) 48,000 Tools, innovative solutions and engineered fastening systems Public NYSE:SWK 1843 Donald Allan Jr. CEO 3 Otis Elevator Co. 1 Carrier Place, Farmington 06032 860-676-6000; otis.com 1,000 (3) 1,000 72,000 Elevator and escalator manufacturing, installation and service Public NYSE: OTIS 1853 Judy F. Marks Chair, CEO & president 4 Kaman Corp. 1332 Blue Hills Ave., Bloomfield 06002 860-243-7100; kaman.com 990 (4) N/A N/A Manufacturer of aerospace parts and components and distributor of industrial products Private 1945 Ross Sealfon President & CEO 5 CooperSurgical Inc. (5) 75 Corporate Drive, Trumbull 06611 203-601-5200; coopersurgical.com 609 609 3,328 Manufacturer of products for fertility and women's health Public NASDAQ: COO (6) 1990 Holly Sheffield President 6 Legrand 60 Woodlawn St., West Hartford 06110 877-295-3472; legrand.us 514 N/A 5,379 (7) Global specialist in electrical and digital building infrastructures Public LR.PA; OTC: LGRDY (8) 1900 Brian DiBella President & CEO, Legrand North & Central America 7 TRUMPF Inc. 111 Hyde Road, Farmington 06032 860-255-6000; trumpf.com 478 802 1,662 Manufacturer of industrial lasers and fabricating machinery for processing sheet metal Private 1969 Lutz Labisch President & CEO 8 Broadridge Output Solutions Inc. (9) 125 Ellington Road, South Windsor 06074 860-290-7000; broadridge.com 420 (2) 420 (2) 15,000 Manufacturer of transactional documents Public NYSE: BR 2007 Al Tebbetts VP of operations 9 Connecticut Spring & Stamping Corp. 48 Spring Lane, Farmington 06032 860-677-1341; ctspring.com 400 N/A 400 Manufacturer of precision springs and metal shaped solutions; strategic supplier of custom springs, progressive stampings, fineblanked stampings, machined components, fourslide parts, laser welding and assemblies Private 1939 Peter Youmans CEO 9 Corbin Russwin, an ASSA ABLOY Co. 225 Episcopal Road, Berlin 06037 800-543-3658; corbinrusswin.com 400 (10) 400 (10) 450 (10) Commercial grade mechanical and electro-mechanical locks and door hardware Public ASSA-B.ST (11) 1839 Dave DeLacey General manager 9 Deringer-Ney Inc. 353 Woodland Ave., Bloomfield 06002 860-286-6101; deringerney.com 400 (12) N/A N/A Custom precious metal alloys Private 1812 (13) Jay Policastro President & CEO 9 Henkel Corp. North America (14) One Henkel Way, Rocky Hill 06067 860-571-5100; henkel-northamerica.com 400 1,000 47,000 Manufacturer of consumer goods and industrial adhesives, sealants and surface treatments Public DAX: HNK.DE 1876 Rajat Agarwal President, Henkel North America 9 Hobson & Motzer Inc. (15) 30 Airline Drive, Durham 06422 860-349-1756; hobsonmotzer.com 400 (16) N/A N/A Precision metal stamping and advanced machining including medical device market Private 1912 Brian King CEO, Vantedge Medical 14 3M 400 Research Parkway, Meriden 06450 203-237-5541; 3M.com 395 (17) N/A 61,500 Producer of filtration products locally Public NYSE: MMM 1902 William M. Brown CEO & chairman 14 Cummins 22 E. Dudley Town Road, Bloomfield 06002 860-243-1441; cummins.tech/jacobs 395 N/A 69,600 Designer and manufacturer of engine brakes, Jake Brakes, and valve actuation technologies for medium- and heavy-duty engine manufacturers worldwide Public NYSE: CMI 1919 Arun Ramachandran General manager 16 Zygo Corp., a division of Ametek Laurel Brook Road, Middlefield 06455 860-347-8506; zygo.com 375 (18) N/A N/A Surface metrology microscopes & laser interferometers, plano & spherical optics, precision optics, electro-optic components & assemblies, displacement & distance sensor systems Public NYSE: AME 1970 Jennifer Hellberg (19) Division VP & business unit manager 17 ebm-papst Inc. 100 Hyde Road, Farmington 06032 860-674-1515; ebmpapst.us 360 N/A 13,800 Designer and manufacturer of high efficiency motors, fans and air moving applications Private 1981 Mark J. Shiring CEO, Air Technology Americas 18 PCX Aerosystems (20) 300 Fenn Road, Newington 06111 860-666-2471; pcxaero.com 339 339 631 Proprietary & life-limited parts with rotorhead assemblies, transmissions, control systems, landing gear, external fuel tank systems, engine & structural airframe components and extendable refueling probes Private 1900 Thomas Holzthum CEO Aris Fotos President, Conn. operations 19 Avna Inc. (21) 200 Ellis St., New Britain 06051 860-225-8707; avna.com 320 320 480 Manufacturer of components and sub-assemblies for global medical device original equipment manufacturers (OEM) Private 1911 Jason M. Howey President & CEO 20 Barnes (22) 123 Main St., Bristol 06010 860-583-7070; onebarnes.com 300 (2) 525 (2) 5,700 (2) Highly engineered products, differentiated industrial technologies, and innovative solutions, serving a wide range of end markets and customers Private 1857 Thomas J. Hook President & CEO Source: Each manufacturer via survey as of Q2-Q3 2025. Note: Denmark-based LEGO is in the process of consolidating North American headquarters in Boston and is expected to fully exit Conn. by 2026; the company had 400 employees in Enfield as of July 3, 2025. Middletown's Jarvis Products Corp. no longer discloses employee counts; 285 local employees and 675 companywide employees were reported on HBJ's Q3 2023 survey. N/A = Not available. (1) Formerly Raytheon Technologies; presence in Connecticut includes Collins Aerospace and Pratt & Whitney. (2) From HBJ's 2024 survey. (3) Includes employees in Shelton; Otis Worldwide does not disclose local employee counts. According to the Connecticut Department of Labor market research data as of March 2025, more than 90% of the statewide workforce is in Greater Hartford. (4) Local count falls within a range of 1,000 to 4,999 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. Employed just below 1,000 employees in May 2024, according to a July 2024 HBJ story, with further cuts expected as part of the restructuring. (5) A wholly owned subsidiary of The Cooper Cos. with an additional location in Guilford. (6) For parent company, The Cooper Cos. (7) North America; expected to add another 600 employees to portfolio due to acquisition of Cleveland-based Avtron Power Solutions. (8) Traded on Paris Stock Exchange and Legrand S.A. American Depository Receipts (ADR). (9) Broadridge Output Solutions is a subsidiary of Broadridge Financial Solutions Inc. Company-wide employee counts are based on Broadridge Financial Solutions Inc. (10) Employee counts from Q3 2023 survey and corbinrusswin.com. Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (11) Parent company Assa Abloy is traded on the Stockholm Stock Exchange. (12) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025 and Town of Bloomfield Annual Financial Report as of June 2023. (13) Founding year for J.M. Ney Co. (14) North American affiliate of Henkel AG & Co. KGaA based in Germany. (15) San Jose, Calif.-based Vantedge Medical acquired Hobson & Motzer in August 2024; data from hobsonmotzer.com. (16) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (17) Local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. 3M reported 395 employees in Meriden on HBJ's 2021 survey. (18) Data from Q3 2023; local count falls within a range of 250 to 499 employees, according to the Connecticut Department of Labor market research data as of July 21, 2025. (19) In March 2025, promoted to Vice president of Human Resources; unable to confirm replacement by press time. (20) Formerly SPX Precision Components. (21) Formerly Okay Industries. (22) Acquired by private equity firm Apollo Global Management in a $3.6 billion deal that closed in Q1 2025. -Compiled by Stephanie R. Meagher, research@nebusinessmedia.com Helping You Focus on What Counts. Learn More at citrincooperman.com Accounting | Tax | Advisory