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Companies in Connecticut

1,000 companies in Connecticut.

Discover 1,000 companies headquartered in Connecticut, spanning manufacturing, construction, and industrial sectors. Browse by city — including Stamford, Hartford, New Haven or by industry, and open any profile for its location, website, size, and NAICS/SIC classification.

Advanced Home Medical SuppliesWest Hartford, Connecticut, United States · ConsumerAdvanced ImprovementsStonington, Connecticut, United StatesAlss - Advanced Lighting & Sound SolutionsManchester, Connecticut, United StatesAerocar Service (highend Limousine)Stamford, Connecticut, United StatesAdvanced Office Systems, Inc. (aos)Branford, Connecticut, United StatesAdvanced Orthopedics New EnglandBloomfield, Connecticut, United StatesAbsolute Staffing, Llc - ConnecticutTrumbull, Connecticut, United StatesAdvanced Performance GlassEast Hartford, Connecticut, United States · ConstructionAdvanced Physical MedicineNorth Haven, Connecticut, United StatesAdvanced Physical Therapy ConnecticutWolcott, Connecticut, United StatesAdvanced Radiology ConsultantsShelton, Connecticut, United StatesAdvanced Reprographics, LlcPlainville, Connecticut, United StatesAdvanced Vacuum TechnologyEast Granby, Connecticut, United StatesAdvanced Roll-OffNew Milford, Connecticut, United States · UtilitiesAdvanced Scaffold Services LLCWest Hartford, Connecticut, United States · ConstructionAfc Mortgage GroupMonroe, Connecticut, United StatesAdvanced Security Technologies, Inc.Stratford, Connecticut, United StatesAdvertologyFairfield, Connecticut, United StatesAdvanced Spine And Pain Care, LlcBrookfield, Connecticut, United StatesAdvanced Telepsych, PllcMiddletown, Connecticut, United StatesAdvanced System Design LLCStamford, Connecticut, United States · ConstructionAdvanced Technical SalesEllington, Connecticut, United StatesAdvanced Terpene SolutionsWest Hartford, Connecticut, United StatesAdvanced Testing SystemsBethel, Connecticut, United States
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Frequently asked questions

How many companies are based in Connecticut?

1,000 companies in the directory are headquartered in Connecticut, browsable by city or by industry.

What information is included for each company?

Every listing includes the company name, location, website, employee size, revenue range where available, and NAICS/SIC classification, with a link to the full profile.

Where does this directory come from?

Listings are compiled and maintained by Factur, a sales and marketing firm for B2B manufacturers. Any company can request an update or removal from its profile page.