Issue link: https://nebusinessmedia.uberflip.com/i/1542283
2026 BOOK OF LISTS | HARTFORDBUSINESS.COM 79 R E A L E S TAT E • CONSTRUCTION MANAGEMENT • GENERAL CONTRACTING • DESIGN–BUILD 2 1 D E M I N G R D , B E R L I N , C T 0 6 0 3 7 • ( 8 6 0 ) 6 1 0 - 1 0 9 3 • W W W. O L S E N C S . C O M VISIT OUR NEW WEBSITE! LARGEST COMMERCIAL CONTRACTORS IN GREATER HARTFORD Ranked by number of local employees Largest commercial contractors in Greater Hartford Ranked by number of local employees Services Contractor Local employees/ total employees/ 2024 revenue General contractor Specialty contractor Construction management Design + build Civil construction Project completed in 2024/ description/ value/ date completed Top executive 1 Ferguson 112 Northwest Drive, Plainville 06062 860-747-4566 • fergusoncontractors.com 250 (1) 275 (1) $90 million (2) • N/A Ryan L. Ferguson President 2 Consigli Building Group Inc. 100 Allyn St., Hartford 06103 860-741-9850 • consigli.com 126 2,500 $4 billion • • • • • N/A Anthony Consigli CEO Matthew Consigli President 3 KBE Building Corp. 76 Batterson Park Road, Farmington 06032 860-284-7400 • kbebuilding.com 109 127 $323 million • • • Connecticut Hall, UConn South Campus, Storrs Design-builder & constructor for new residences and dining hall, 280,000-square-foot, seven-story residence hall with 657 beds, 500-seat dining hall, game rooms, seminar & meeting rooms and multi-purpose spaces $181,910,637 July 2024 Mike Kolakowski President & CEO 4 All State Construction Inc. 449 Cooke St., Farmington 06032 860-678-0678 • allstateconstructioninc.com 100 100 $48 million • • • Total Mortgage Arena, Bridgeport Complete replacement of rooftop-mounted air handling & ena and concourse $12,000,000 Dec. 2024 Marc Pare CEO Pete Pare President 5 Gilbane Building Co. 208 New London Turnpike, Glastonbury 06033 860-368-5100 • gilbaneco.com 90 3,145 $8 billion • • Kline Tower Renovation, Yale University, New Haven T esearch, teaching and collaboration space N/A Sept. 2024 Eric Cushman Business leader 6 Downes Construction Co. 200 Stanley St., New Britain 06051 860-229-3755 • downesco.com 80 N/A $200 million • • • Windham High School, Willimantic Upgrades to 225,000-square-foot high school, with aging infrastructure and academic program design $100,000,000 N/A David Patrick President & CEO Tom Romagnoli Executive vice president 7 The Associated Construction Co. 55 Airport Road, Suite 206, Hartford 06114 860-296-4114 • accgc.com 60 60 $75 million • • • Kelson Row, Rocky Hill Multifamily, mixed-use development $59,000,000 Aug. 2024 Joseph D. Jankowski President Kevin McConnell Vice president 8 Bartlett Brainard Eacott Inc. 70 Grif 06002 860-242-5565 • bbeinc.com 55 (3) 60 (3) $100 million (2) • • • N/A Thomas M. Panczner President & CEO 9 O&G Industries Inc. 207 Main St., Suite 200, Hartford 06106 860-489-9261 • ogind.com 50 834 N/A • • • • • Farmington High School New, three-story, 236,000-square-foot high school to replace old school on same campus $145,300,000 Aug. 2024 David Oneglia President 10 A/Z Corp., a Cianbro Co. (4) 242 Trumbull St., 2nd Floor, Hartford 06103 800-400-2420 • a-zcorp.com 45 (3) 560 (3) $320 million (2) • • • • • N/A Greg Cox President 11 Network Interiors Inc. 55 Robert Jackson Way, Plainville 06062 860-793-1188 • network-interiors.com 43 43 $10 million • • The Grove Residence Hall, Quinnipiac University, Hamden New, four-story, 111,000-square-foot residence hall $9,277,000 July 2024 Melissa C. Sheffy President 12 PDS Engineering & Construction Inc. 107 Old Windsor Road, 06002 860-242-8586 • pdsec.com 40 N/A $70 million • • • • Burns Latino Studies Academy, Hartford School renovation $46,000,000 Dec. 2025 Bill Jodice President 13 Olsen Construction Services 21 Deming Road, Berlin 06037 860-610-1093 • olsencs.com 31 31 $61 million • • • • • Site & facility hardening project $14,500,000 Dec. 2024 Nick Olsen President Frank Maruca Executive vice president 14 Fortunato Construction Group 99 Old Brickyard Lane, Suite 10, Kensington 06037 860-829-1411 • fortunatoconstruction.com 28 28 $56 million • • • Bridgestone Firestone, Avon New, ground up retail and mechanic shop $2,800,000 March 2024 Lindsey G. Fortunato President & CEO 15 Construx Co. LLC 10 Sequassen St., Hartford 06106 860-709-9280 • construxco.com 9 9 $7 million • • • Academy of Computer Science & Engineering Middle School, East Hartford Site-wide renovations and revitalizations with paving, drainage, lighting, enhanced security infrastructure, masonry restoration, railing & structural repairs and full exterior refresh $2,500,000 Jan. 2025 Laurence Mason President Source: Each contractor via survey as of Q2 2025. Note: Farmington's FIP Construction no longer discloses data for the list. N/A = Not available. (1) Data from 2024 survey. (2) Revenue for 2023. (3) Data from HBJ's 2024 survey. (4) Headquartered in North Stonington. -Compiled by: Stephanie R. Meagher, research@nebusinessmedia.com 5 208 New London Turnpike, Glastonbury 06033 860-368-5100 • gilbaneco.com 3,145 $8 billion • • teaching and collaboration space N/A Sept. 2024 Eric Cushman Business leader 6 Downes Construction Co. 200 Stanley St., New Britain 06051 860-229-3755 • downesco.com 80 N/A $200 million • • • Windham High School, Willimantic Upgrades to 225,000-square-foot high school, with aging infrastructure and academic program design $100,000,000 N/A David Patrick President & CEO Tom Romagnoli Executive vice president 7 The Associated Construction Co. 55 Airport Road, Suite 206, Hartford 06114 860-296-4114 • accgc.com 60 60 $75 million • • • Kelson Row, Rocky Hill Multifamily, mixed-use development $59,000,000 Aug. 2024 Joseph D. Jankowski President Kevin McConnell Vice president 8 Bartlett Brainard Eacott Inc. 70 Grif 06002 860-242-5565 • bbeinc.com 55 (3) 60 (3) $100 million (2) • • • N/A Thomas M. Panczner President & CEO 9 O&G Industries Inc. 207 Main St., Suite 200, Hartford 06106 860-489-9261 • ogind.com 50 834 N/A • • • • • Farmington High School New, three-story, 236,000-square-foot high school to replace old school on same campus $145,300,000 Aug. 2024 David Oneglia President 10 A/Z Corp., a Cianbro Co. (4) 242 Trumbull St., 2nd Floor, Hartford 06103 800-400-2420 • a-zcorp.com 45 (3) 560 (3) $320 million (2) • • • • • N/A Greg Cox President 11 Network Interiors Inc. 55 Robert Jackson Way, Plainville 06062 860-793-1188 • network-interiors.com 43 43 $10 million • • The Grove Residence Hall, Quinnipiac University, Hamden New, four-story, 111,000-square-foot residence hall $9,277,000 July 2024 Melissa C. Sheffy President 12 PDS Engineering & Construction Inc. 107 Old Windsor Road, 06002 860-242-8586 • pdsec.com 40 N/A $70 million • • • • Burns Latino Studies Academy, Hartford School renovation $46,000,000 Dec. 2025 Bill Jodice President 13 Olsen Construction Services 21 Deming Road, Berlin 06037 860-610-1093 • olsencs.com 31 31 $61 million • • • • • Site & facility hardening project $14,500,000 Dec. 2024 Nick Olsen President Frank Maruca Executive vice president 14 Fortunato Construction Group 99 Old Brickyard Lane, Suite 10, Kensington 06037 860-829-1411 • fortunatoconstruction.com 28 28 $56 million • • • Bridgestone Firestone, Avon New, ground up retail and mechanic shop $2,800,000 March 2024 Lindsey G. Fortunato President & CEO 15 Construx Co. LLC 10 Sequassen St., Hartford 06106 860-709-9280 • construxco.com 9 9 $7 million • • • Academy of Computer Science & Engineering Middle School, East Hartford Site-wide renovations and revitalizations with paving, drainage, lighting, enhanced security infrastructure, masonry restoration, railing & structural repairs and full exterior refresh $2,500,000 Jan. 2025 Laurence Mason President Source: Each contractor via survey as of Q2 2025. Note: Farmington's FIP Construction no longer discloses data for the list. N/A = Not available. (1) Data from 2024 survey. (2) Revenue for 2023. (3) Data from HBJ's 2024 survey. (4) Headquartered in North Stonington. -Compiled by: Stephanie R. Meagher, research@nebusinessmedia.com