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.

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 technology
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 parts
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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