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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.

Alfano & Company, LlcGreenwich, Connecticut, United States Hari IniWestport, Connecticut, United States Algo Capital PartnersStamford, Connecticut, United States Algonquin AdvisorsGreenwich, Connecticut, United States Ali Investment Technology, LlcMonroe, Connecticut, United States Alimak Group AB SwedenShelton, Connecticut, United States · Industrial & mechanical Alinda Capital Partners LlcGreenwich, Connecticut, United States Alinabal Holding CorporationMilford, Connecticut, United States Alisa?s House Of SalsaNew Haven, Connecticut, United States Alisberg Parker ArchitectsGreenwich, Connecticut, United States AlittlebrandingGreenwich, Connecticut, United States All About Bats & Wildlife IncNorwalk, Connecticut, United States · Consumer All About You Home Care Services, Llc.Naugatuck, Connecticut, United States All American Heating & Ac IncWolcott, Connecticut, United States All Around Maintenance Inc.Ridgefield, Connecticut, United States All Care ... All DayStratford, Connecticut, United States All Clean RestorationsHamden, Connecticut, United States All County Pest ControlStamford, Connecticut, United States All American Custom Pools & Spas, Inc.Norwalk, Connecticut, United States All Connecticut RealtySeymour, Connecticut, United States · Real Estate All Dry Services Of ConnecticutHartford, Connecticut, United States All Electric ConstructionMilford, Connecticut, United States All Five Tool Company IncBristol, Connecticut, United States · Industrial & mechanical All Green HydroseedPlymouth, 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.