| Connecticut Magazine's 12th annual compilation of the state's largest companies contains several categories. On this page, you will find a list of the 100 largest industrial and service companies—privately and publicly held—that are headquartered in the state. They are ranked according to annual sales. Also listed are the largest banks, ranked by assets, and fastest-growing tech companies, ranked by percentage growth. |
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An asterisk (*)
indicates a privately held company.
Sales figures as of 12/15/05
| RANK in 2006 | RANK in 2005 | COMPANY | TOWN | SALES IN DOLLARS | MAIN PRODUCTS OR SERVICES |
| 1 | 1 | General Electric Co. Inc. | Fairfield | 151,320,000,000 | diversified manufacturing and technolog |
| 2 | 2 | United Technologies Corp. | Hartford | 36,760,000,000 | aerospace, defense, building products |
| 3 | 3 | International Paper Co. | Stamford | 25,548,000,000 | paper products, packaging |
| 4 | 4 | The Hartford Financial Services Group | Hartford | 22,693,000,000 | insurance, financial services |
| 5 | 5 | Aetna Inc. | Hartford | 19,904,000,000 | managed health care |
| 6 | 6 | Xerox Corp. | Stamford | 14,788,000,000 | copiers, office products and systems |
| *7 | 9 | Gerald Metals Inc. | Stamford | 9,300,000,000 | nonferrous and precious metals |
| 8 | 8 | MeadWestvaco Corp. | Stamford | 8,227,000,000 | paper and packaging |
| 9 | 10 | Northeast Utilities | Berlin | 6,686,000,000 | electricity |
| 10 | 12 | Praxair Inc. | Danbury | 6,594,000,000 | industrial gases |
| 11 | 14 | Pitney Bowes Inc. | Stamford | 4,957,000,000 | office machines |
| 12 | 15 | EMCOR Group Inc. | Norwalk | 4,748,000,000 | mechanical, electrical services |
| 13 | 17 | W.R. Berkley Corp. | Greenwich | 4,513,000,000 | property casualty insurance |
| 14 | 16 | Terex Corp. | Westport | 3,897,000,000 | heavy construction equipment |
| 15 | -- | Chemtura Corp. | Middlebury | 3,700,000,000 | specialty chemicals, plastic additives |
| 16 | 18 | United Rentals Inc. | Greenwich | 3,110,000,000 | heavy-equipment rentals |
| 17 | 19 | The Stanley Works | New Britain | 3,043,000,000 | tools, hardware, specialty hardware |
| 18 | 20 | Phoenix Companies Inc. | Hartford | 2,732,000,000 | insurance, financial services |
| 19 | -- | Odyssey Re Holdings Corp. | Stamford | 2,656,000,000 | reinsurance |
| 20 | 22 | Silgan Corp. | Stamford | 2,420,000,000 | metal, plastic and paper products |
| 21 | 21 | Citizens Communications Co. | Stamford | 2,193,000,000 | electric, telephone, natural gas, water |
| 22 | 28 | United Natural Foods | Dayville | 2,060,000,000 | groceries, related products |
| 23 | 26 | Hubbell Inc. | Orange | 1,993,000,000 | electrical parts |
| 24 | 29 | Crane Co. | Stamford | 1,890,000,000 | diversified manufacturing |
| 25 | 24 | Applera Corp. | Norwalk | 1,845,000,000 | life-science systems, genetic databases |
| *26 | 25 | Mashantucket Pequot Gaming Enterprises Inc. | Mashantucket | 1,800,000,000 | gaming and entertainment |
| 27 | 34 | Magellan Health Services Inc. | Farmington | 1,795,000,000 | managed mental-health care services |
| 28 | 27 | UST Inc. | Greenwich | 1,789,000,000 | tobacco, wine and other products |
| *29 | 31 | Purdue Pharma | Stamford | 1,700,000,000 | pharmaceuticals |
| 30 | 35 | Blyth Industries Inc. | Greenwich | 1,586,000,000 | housewares, scented candles |
| 31 | 37 | IMS Health Inc. | Westport | 1,569,000,000 | pharmaceutical, health-care research |
| 32 | 40 | Amphenol Corp. | Wallingford | 1,530,000,000 | electronic cables, connectors |
| *33 | 30 | Retail Brand Alliance | Enfield | 1,500,000,000 | clothing retailer |
| *34 | 33 | Towers Perrin | Stamford | 1,500,000,000 | human-resources consulting |
| 35 | 36 | Star Gas Partners LP | Stamford | 1,453,000,000 | fuel oil, propane |
| 36 | 39 | ADVO Inc. | Windsor | 1,386,000,000 | direct-mail marketing |
| *37 | 38 | Conair Corp. | Stamford | 1,277,000,000 | kitchen and personal-care products |
| *38 | 41 | Mohegan Tribal Gaming Authority | Uncasville | 1,258,000,000 | gaming and entertainment |
| 39 | 42 | Arch Chemicals Inc. | Norwalk | 1,122,000,000 | specialty chemicals |
| 40 | 43 | UIL Holdings Corp. | New Haven | 1,101,000,000 | electric power |
| 41 | 45 | Hexcel Corp. | Stamford | 1,074,000,000 | engineered materials |
| 42 | 46 | Kaman Corp. | Bloomfield | 995,000,000 | advanced technology products |
| 43 | 47 | Barnes Group Inc. | Bristol | 994,000,000 | springs and metal components |
| 44 | 44 | Ethan Allen Inc. | Danbury | 949,000,000 | furniture and household products |
| 45 | 48 | priceline.com Inc. | Stamford | 914,000,000 | Internet consumer services |
| 46 | 50 | Gartner Inc. | Stamford | 893,000,000 | computer research, analysis |
| *47 | 49 | Bozzuto’s Inc. | Cheshire | 890,000,000 | wholesale groceries, convenience stores |
| *48 | -- | Knights of Columbus Corp. | New Haven | 850,000,000 | insurance |
| 49 | 52 | PanAmSat Corp. | Greenwich | 827,000,000 | satellites |
| *50 | 53 | Timex Enterprises Inc. | Middlebury | 800,000,000 | watches |
| *51 | 54 | Interactive Brokers Group | Greenwich | 700,000,000 | interactive brokerage |
| 52 | 55 | Playtex Family Products Corp. | Westport | 666,000,000 | personal-care products |
| 53 | 56 | Imagistics International Inc. | Trumbull | 609,000,000 | office systems |
| 54 | 51 | Student Loan Corp. | Stamford | 602,000,000 | student loans |
| 55 | 60 | Vertrue Inc. | Stamford | 579,000,000 | membership services, recruitment |
| 56 | 67 | OMI Corp. | Stamford | 564,000,000 | seagoing vessels |
| *57 | 58 | Unimin Corp. | New Canaan | 550,000,000 | mining, minerals |
| *58 | -- | North Castle Partners, L.L.C. | Greenwich | 519,000,000 | food and health products |
| 59 | 59 | Gerber Scientific Inc. | South Windsor | 516,000,000 | scientific instruments |
| 60 | 11 | Doctors Associates Inc. | Milford | 465,000,000 | Subway fast-food franchises |
| 61 | 61 | Katy Industries Inc. | Middlebury | 458,000,000 | cleaning, electrical products |
| *62 | 62 | Lane Construction Corp. | Meriden | 429,000,000 | heavy construction |
| *63 | -- | March/Hodge Automotive | Hartford | 427,000,000 | auto dealerships |
| *64 | -- | Chase Enterprises | Hartford | 425,000,000 | real estate, diversified holdings |
| 65 | 64 | Photronics Inc. | Brookfield | 395,000,000 | semiconductor and microelectronics part |
| 66 | 63 | World Wrestling Entertainment Inc. | Stamford | 367,000,000 | professional wrestling, related products |
| 67 | 78 | TRC Companies Inc. | Windsor | 368,000,000 | environmental services |
| 68 | 76 | Rogers Corp. | Killingly | 365,000,000 | manufacturing |
| *69 | 65 | Dictaphone Corp. | Stratford | 340,000,000 | recording systems and devices |
| 70 | 74 | FactSet Research Systems | Norwalk | 312,000,000 | online database services |
| *71 | 66 | Swisher International Group Inc. | Darien | 310,000,000 | cigars |
| 72 | 75 | Genesee & Wyoming Inc. | Greenwich | 303,000,000 | freight rail operator |
| *73 | 73 | Stew Leonard’s | Norwalk | 300,000,000 | retail groceries and dairy |
| 74 | 72 | Lydall Inc. | Manchester | 292,000,000 | fiber materials, components |
| *75 | 68 | Stanadyne Automotive Corp. | Windsor | 290,000,000 | diesel-fuel injection equipment |
| *76 | 70 | Tauck Holdings Inc. | Westport | 280,000,000 | tour operators |
| *77 | -- | Heartland Industrial Partners | Greenwich | 277,000,000 | aerospace, auto parts |
| 78 | 79 | Proliance International Inc. | New Haven | 268,000,000 | auto cooling systems |
| 79 | 71 | Hometown Auto Retail | Watertown | 265,000,000 | new and used automobiles |
| 80 | 87 | ATMI Corp. | Danbury | 246,000,000 | semiconductors |
| 81 | -- | RBC Bearings Inc. | Oxford | 243,000,000 | ball bearings |
| *82 | 77 | Brant-Allen Industries Inc. | Greenwich | 240,000,000 | paper mills, management services |
| 83 | -- | DrugMax Inc. | Farmington | 239,000,000 | pharmacies, pharmaceuticals |
| 84 | 83 | Raytech Corp. | Shelton | 227,000,000 | brake linings, friction products |
| *85 | 80 | Ulbrich Stainless Steel & Special Metals | North Haven | 225,000,000 | steel |
| 86 | 86 | Independence Holding Co. | Stamford | 223,000,000 | insurance |
| *87 | 81 | O&G Industries Inc. | Torrington | 215,000,000 | nonresidential construction |
| *88 | 82 | Simkins Industries Inc. | New Haven | 210,000,000 | paperboard mills |
| *89 | 84 | Yarde Metals Inc. | Bristol | 200,000,000 | metal products |
| *90 | 84 | Oakleaf Waste Management | East Hartford | 200,000,000 | waste management services |
| *91 | -- | Newman’s Own | Westport | 190,000,000 | food products |
| *92 | -- | R.T. Vanderbilt Co. Inc. | Norwalk | 177,000,000 | chemicals, mining |
| 93 | 88 | The Aristotle Corp. | Stamford | 175,000,000 | educational and health products |
| 94 | 89 | Baldwin Technology Co. | Shelton | 173,000,000 | controls and accessories for printing |
| *95 | -- | Moran Towing Corp. | New Canaan | 150,000,000 | tugboats, towing services |
| 96 | 91 | Sturm, Ruger & Co. Inc. | Fairfield | 146,000,000 | firearms |
| 97 | 98 | Zygo Corp. | Middlefield | 142,000,000 | measurement and automation devices |
| *98 | -- | American Institute for Foreign Study Inc. | Stamford | 138,000,000 | cultural and student exchanges |
| *99 | 90 | United States Beverage | Stamford | 130,000,000 | beer, malt beverages |
| *100 | -- | The Lee Co. | Westbrook | 127,000,000 | diversified manufacturing |
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