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2026 BOOK OF LISTS | HARTFORDBUSINESS.COM 15 E C O N O M Y LARGEST PUBLICLY TRADED COMPANIES BASED IN CONNECTICUT Ranked by market capitalization as of Dec. 3, 2025 Largest publicly traded companies based in Connecticut Ranked by market capitalization as of Dec. 3, 2025 Stock price at close Annual revenue (millions) Net income (millions) Company: ticker Market cap (millions) Dec. 3, 2025 Dec. 3, 2025 Dec. 31, 2024 Dec. 29, 2023 2024 2023 2024 (1) 2023 (1) CEO 1 Philip Morris International Inc.: NYSE:PM 677 Washington Blvd., Stamford 06901 203-905-2410; pmi.com $236,158 $151.71 $120.35 $94.08 $37,878.00 $35,174.00 $7,034.00 $7,791.00 Jacek Olczak 2 Amphenol: NYSE:APH 358 Hall Ave., Wallingford 06492 203-265-8900; amphenol.com $169,715 $138.65 $69.45 $49.56 $15,222.70 $12,554.70 $2,424.00 $1,928.00 Richard Adam Norwitt 3 Booking Holdings Inc.: NASDAQ:BKNG 800 Connecticut Ave., Norwalk 06854 203-299-8000; bookingholdings.com $163,579 $5,047.21 $4,968.42 $3,547.22 $23,739.00 $21,365.00 $5,882.00 $4,289.00 Glenn D. Fogel 4 Interactive Brokers Group Inc.: NASDAQ:IBKR One Pickwick Plaza, Greenwich 06830 203-618-5800; interactivebrokers.com $110,428 $64.96 $44.17 $20.73 $9,316.00 $7,787.00 $755.00 $600.00 Milan Galik 5 Cigna Corp.: NYSE:CI 900 Cottage Grove Road, 06002 860-226-6000; cigna.com $72,209 $270.32 $276.14 $299.45 $244,384.00 $195,187.00 $3,434.00 $5,164.00 David M. Cordani 6 United Rentals Inc.: NYSE:URI 100 First Stamford Place, Suite 700, Stamford 06902 203-622-3131; unitedrentals.com $52,352 $813.66 $704.44 $573.42 $15,345.00 $14,332.00 $2,575.00 $2,424.00 Matthew J. Flannery 7 The Hartford: NYSE:HIG One Hartford Plaza, Hartford 06155 860-547-5000; thehartford.com $37,407 $133.04 $109.40 $80.38 $26,384.00 $24,330.00 $3,090.00 $2,483.00 Christopher J. Swift 8 Otis Worldwide: NYSE:OTIS 1 Carrier Place, Farmington 06032 800-233-6847; otis.com $34,122 $86.94 $92.61 $89.47 $14,261.00 $14,209.00 $1,645.00 $1,406.00 Judy F. Marks 9 Synchrony Financial: NYSE:SYF 777 Long Ridge Road, Stamford 06902 203-585-2400; synchr $29,448 $79.15 $65.00 $38.19 $16,125.00 $13,627.00 $3,427.00 $2,196.00 Brian D. Doubles 10 EMCOR Group Inc.: NYSE:EME 301 Merritt 7, Norwalk 06851 203-849-7800; emcorgroup.com $27,397 $612.00 $453.90 $215.43 $14,566.12 $12,582.87 $1,007.15 $632.99 Anthony J. Guzzi 11 Charter Communications Inc. (2): NASDAQ:CHTR 400 Washington Blvd., Stamford 06902 203-905-7800; spectrum.com $27,312 $199.96 $342.77 $388.68 $55,085.00 $54,607.00 $5,083.00 $4,557.00 Christopher Winfrey 12 W.R. Berkley Corp.: NYSE:WRB 475 Steamboat Road, Greenwich 06830 203-629-3000; wrberkley.com $27,229 $71.65 $58.52 $47.15 $13,691.13 $12,111.14 $1,756.12 $1,381.36 William R. Berkley Jr. 13 Eversource Energy Co.: NYSE:ES 56 Prospect St., Hartford 06103 860-286-2000; eversource.com $24,751 $65.97 $57.43 $61.72 $11,900.81 $11,910.71 $811.65 -$442.24 Steve Sullivan Joseph R. Nolan Jr. 14 Hubbell Inc.: NYSE:HUBB 40 Waterview Drive, Shelton 06484 475-882-4000; hubbell.com $22,817 $429.34 $418.89 $328.93 $5,628.50 $5,372.90 $776.30 $758.00 Gerben W. Bakker 15 SS&C Technologies Holdings Inc.: NASDAQ:SSNC 80 Lamberton Road, Windsor 06095 860-298-4500; ssctech.com $21,128 $86.51 $75.78 $61.11 $5,882.00 $5,502.80 $760.50 $607.10 William C. Stone 16 Gartner Inc.: NYSE:IT 56 Top Gallant Road, Stamford 06902 203-964-0096; gartner.com $17,564 $231.91 $484.47 $451.11 $6,267.41 $5,906.96 $1,253.72 $882.47 Eugene A. Hall 17 XPO Logistics: NYSE:XPO Five American Lane, Greenwich 06831 855-976-6951; xpo.com $16,458 $139.76 $131.15 $87.59 $8,072.00 $7,744.00 $387.00 $189.00 Mario A. Harik 18 ITT Inc.: NYSE:ITT 100 Washington Blvd., 6th Floor, Stamford 06902 914-641-2000; itt.com $14,086 $180.59 $142.88 $119.32 $3,630.70 $3,283.00 $518.30 $410.50 Luca Savi 19 RBC Bearings Inc.: NYSE:RBC One Tribology Center, Oxford 06478 203-267-7001; rbcbearings.com $13,851 $438.15 $299.14 $284.89 $1,636.30 (3) $1,560.30 (4) $233.80 (3) $186.90 (4) Michael J. Hartnett 20 QXO Inc.: NYSE:QXO Five American Lane, Greenwich 06831 888-998-6000; qxo.com $13,488 $20.00 $15.90 $136.88 $56.87 $54.52 -$23.03 -$1.07 Bradley S. Jacobs (5) 21 Stanley Black & Decker Inc.: NYSE:SWK 1000 Stanley Drive, New Britain 06053 860-225-5111; stanleyblackanddecker.com $11,234 $72.53 $80.29 $98.10 $15,365.70 $15,781.10 $294.30 -$310.50 Christopher Nelson (6) 22 Crane Co.: NYSE:CR 100 First Stamford Place, Stamford 06902 203-363-7300; craneco.com $10,600 $184.03 $151.75 $118.14 $2,131.20 $1,862.10 $294.70 $255.90 Max H. Mitchell Source: Y eports. Note: N/A = Not available. (1) Net income available to common shares. (2) In October 2025, the Wall Street Journal reported Charter's plans to cut 1,200 jobs companywide as part of its merger with Atlanta-based Cox Communications in a $21.9 billion deal expected to close in mid-2026, pending regulatory appr Cox Communications name and be headquartered in Stamford. (3) ch 31, 2025. (4) ch 31, 2024. (5) aste Systems Inc., United Rentals Inc., XPO Inc. and its spin-offs, GXO Logistics Inc. and RXO Inc. He still serves as executive chairman of XPO and the managing partner of Jacobs Private Equity LLC. (6) Succeeded Donald Allan Jr. in October 2025. -Compiled by Stephanie R. Meagher, research@nebusinessmedia.com