The following list of Connecticut companies includes notable companies that are, or once were, headquartered in Connecticut.
Companies based in Connecticut A Aetna Affinion Group Aircastle Amphenol AQR Capital ATMI
B Barden Corporation Bevin Brothers Manufacturing Company Bigelow Tea Company BlueTriton Brands Bob's Discount Furniture Boehringer Ingelheim USA Branson Ultrasonics Breitling USA Bridgewater Associates Bristol Technology
C Cadenza Innovation Cannondale Bicycle Corporation Charter Arms Charter Communications Cigna Cogent Fibre Colt Defense Colt's Manufacturing Company Conair Corporation Crane Co.
D Datto Diageo Digital Currency Group Dooney & Bourke Duracell
E Eastern Mountain Sports Emcor ESL Investments ESPN Ethan Allen Eversource Energy
F FactSet Fairfield County Bank Farrel Corporation Fire-Lite Alarms First County Bank Foxwoods Resort Casino Frontier Communications Frontier Communications of Connecticut FuelCell Energy
G Gartner GE Capital General Dynamics Electric Boat Gerber Scientific Gramercy Funds Management Guideposts
H H/2 Capital Partners The Hartford Hartford Courant Henkel North American Consumer Goods High Precision Hitachi Capital America Corp. Hosmer Mountain Soda
I IMS Health Interactive Brokers IQVIA ITT Inc.
J J.H. Whitney & Company
K Kayak.com Knights of Columbus
L Lego USA Liberty Bank Lone Pine Capital LoveSac
M Media Storm Metropolitan District of Connecticut
N Nestlé Waters North America New Britain Dry Cleaning Corporation Newman's Own Newtown Savings Bank North Sails North Street Capital, LP
O Otis Elevator Company
P People's United Financial Pepperidge Farm Philip Morris International Photronics Inc Pirate Capital Pitney Bowes Playtex Point72 Asset Management Pratt & Whitney Praxair Priceline.com Primacy Purdue Pharma
R Reliant Air Rhone Apparel
S S.A.C. Capital Advisors Saffron Road Savings Bank of Danbury Sikorsky Aircraft Sikorsky Credit Union Silver Point Capital SNET America Spectrum Sperry Rail Service Stanley Black & Decker Stew Leonard's Sturm, Ruger & Co. Subway Synchrony Financial
T Taunton Press Ted's Restaurant Terex Tetley USA Inc. Timex Group USA Tower Optical Trufresh
U UBS Union Savings Bank United Rentals United States Rubber Company United Technologies Urstadt Biddle Properties
V Ventus Vertrue Victorinox North America Viking Global Investors Vineyard Vines Virtus Investment Partners
W W. R. Berkley Corporation Webster Bank Western Connecticut Health Network WorldQuant WWE
X Xerox XPO, Inc.
Companies formerly based in Connecticut 0-9 454 Life Sciences
A A. C. Gilbert Company Ansonia Clock Company Applera Arrowhead Water
B Bear Naked, Inc. Blue Sky Studios Bon Ami Borden Bridgeport Machines, Inc. Brooks Brothers
C Caldor Carrier Corporation Cervalis Chemtura Clairol Coleco Connecticut Company Connecticut Land Company Connecticut Railway and Lighting Company Crabtree & Evelyn
D The Daily Voice
E Edible Arrangements
F Fairfield Greenwich Group Frisbie Pie Company FrontPoint Partners
G G. Fox & Co. General Electric
H Hamilton Sundstrand Harney & Sons Hartford Whalers
I International Paper Ives Manufacturing Company
J JWM Partners
L Long-Term Capital Management
M Marlin Firearms Meriden Firearms Co. MicroWarehouse
N New York, New Haven and Hartford Railroad NewAlliance Bank
P Pequot Capital Management PerkinElmer Peter Paul Candy Manufacturing Company Plainfield Asset Management Pope Manufacturing Company Praxair Price Rite
R Remington Arms Russell Trust Association
S Schick Sharps Rifle Manufacturing Company Southern Air Swisher International Group
T Time Warner Cable Tobin Arms Towers Perrin The Travelers Companies
U U.S. Smokeless Tobacco Company United Natural Foods UPS
W Weekly Reader Winchester Repeating Arms Company
See also List of companies of the United States by state
References