American Polyfilm, INC. | Branford | CT | Plastics and Rubber Products Manufacturing326113 | 20-99 | ● ACTIVE |
| ASAmerican Seal and Engineering Company, INC. | Orange | CT | Miscellaneous Manufacturing339991 | 20-99 | ● ACTIVE |
| ASAmerican Sleeve Bearing | Stafford Springs | CT | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
American Specialty Products LLC | Vernon Rockville | CT | Fabricated Metal Product Manufacturing332710 | 1-19 | ● ACTIVE |
American Woolen Company, INC | Stafford Springs | CT | Textile Mills313210 | 20-99 | ● ACTIVE |
Am Food Manufacturing & Distribution LLC | Meriden | CT | Food Manufacturing311612 | — | ● ACTIVE |
| APAmgraph Packaging, Inc. | Baltic | CT | Paper Manufacturing322220 | 100-499 | ● ACTIVE |
Amk Welding INC. | South Windsor | CT | Fabricated Metal Product Manufacturing332999 | 20-99 | ● ACTIVE |
Amtec CORP | Plainfield | CT | Fabricated Metal Product Manufacturing332999 | 1-19 | ● ACTIVE |
| AEAnco Engineering, INC | Shelton | CT | Fabricated Metal Product Manufacturing332312 | 20-99 | ● ACTIVE |
Aperture Optical Sciences INC. | Meriden | CT | Machinery Manufacturing333310 | 20-99 | ● ACTIVE |
| APApplied Porous Technologies, Inc | Tariffville | CT | Miscellaneous Manufacturing339999 | 1-19 | ● ACTIVE |
Applied Rubber & Plastics, INC. | Windsor | CT | Plastics and Rubber Products Manufacturing326299 | 1-19 | ● ACTIVE |
| ABAqua Blasting CORP | Bloomfield | CT | Fabricated Metal Product Manufacturing332811 | 1-19 | ● ACTIVE |
| ADArchitectural Door Corp | Bridgeport | CT | Wood Product Manufacturing321911 | 1-19 | ● ACTIVE |
| AGArchitectural Glass Industries | Sandy Hook | CT | Nonmetallic Mineral Product Manufacturing327211 | 1-19 | ● ACTIVE |
| AMArchitectural Metals LLC | Mystic | CT | Fabricated Metal Product Manufacturing332323 | 1-19 | ● ACTIVE |
Armoloy of Connecticut, INC. | Bristol | CT | Fabricated Metal Product Manufacturing332813 | 1-19 | ● ACTIVE |
Assa Abloy INC | New Haven | CT | Fabricated Metal Product Manufacturing332510 | 500+ | ● ACTIVE |
Astro Aircom LLC | Bloomfield | CT | Fabricated Metal Product Manufacturing332710 | 1-19 | ● ACTIVE |
Athens Industries, INC. | Plantsville | CT | Transportation Equipment Manufacturing336411 | 1-19 | ● ACTIVE |
Atlantic Fabricating Co., INC. | East Granby | CT | Fabricated Metal Product Manufacturing332322 | 1-19 | ● ACTIVE |
Atlantic Inertial Systems INC | Cheshire | CT | Computer and Electronic Product Manufacturing334511 | — | ● ACTIVE |
| AVAtlantic Ventilating & Equipment Co., Inc. | Cromwell | CT | Fabricated Metal Product Manufacturing332322 | 1-19 | ● ACTIVE |
| APAtlas Precision Manufacturing LLC | South Windsor | CT | Transportation Equipment Manufacturing336412 | 1-19 | ● ACTIVE |
Atlas Stamping & Manufacturing Corporation | Newington | CT | Transportation Equipment Manufacturing336412 | — | ● ACTIVE |
| ABAtticus Bakery Dba Chabaso Bakery | New Haven | CT | Food Manufacturing311812 | 100-499 | ● ACTIVE |
| AAAvery Abrasives, INC | Trumbull | CT | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ● ACTIVE |
Axel Plastics Research Laboratories INC | Monroe | CT | Petroleum and Coal Products Manufacturing324191 | 20-99 | ● ACTIVE |
| AWAzure Water Services, LLC | West Haven | CT | Chemical Manufacturing325998 | — | ● ACTIVE |
| BEBack East Brewing | Bloomfield | CT | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ● ACTIVE |
B & a Company, INC. | Milford | CT | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Baird Machinery CORP | Thomaston | CT | Machinery Manufacturing333513 | 1-19 | ● ACTIVE |
| BLBaldwin Lawn Furniture LLC | Middletown | CT | Furniture and Related Product Manufacturing337122 | 1-19 | ● ACTIVE |
| BIBalfor Industries, INC. | Oxford | CT | Machinery Manufacturing333999 | 1-19 | ● ACTIVE |
| BMBarlow Metal Stamping, INC. | Bristol | CT | Fabricated Metal Product Manufacturing332119 | 1-19 | ● ACTIVE |
| BCBarnes Concrete Company, INC. | Putnam | CT | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ● ACTIVE |
| BCBaronet Coffee, Inc. | Windsor | CT | Food Manufacturing311920 | 20-99 | ● ACTIVE |
| BTBaron Technologies INC | Milford | CT | Fabricated Metal Product Manufacturing332812 | 20-99 | ● ACTIVE |
| BPBass Plating Company, the | Bloomfield | CT | Fabricated Metal Product Manufacturing332813 | 20-99 | ● ACTIVE |
| BABausch Advanced Tech | Clinton | CT | Machinery Manufacturing333993 | 20-99 | ● ACTIVE |
| BIBeacon Industries, INC. | Newington | CT | Transportation Equipment Manufacturing336412 | 20-99 | ● ACTIVE |
Bead Industries INC | Milford | CT | Fabricated Metal Product Manufacturing332999 | 20-99 | ● ACTIVE |
Becon INC | Bloomfield | CT | Machinery Manufacturing333611 | 20-99 | ● ACTIVE |
Bedoukian Research, INC. | Danbury | CT | Chemical Manufacturing325199 | 100-499 | ● ACTIVE |
Beekley CORP | Bristol | CT | Printing and Related Support Activities323116 | 20-99 | ● ACTIVE |
| BPBell Power Systems | Essex | CT | Machinery Manufacturing333618 | 20-99 | ● ACTIVE |
Ben Hughes Communication Products CO. | Chester | CT | Fabricated Metal Product Manufacturing332216 | 1-19 | ● ACTIVE |
| BMBenick Machine Works, LLC | Putnam | CT | Electrical Equipment, Appliance & Component Manufacturing335312 | 1-19 | ● ACTIVE |
Beta Shim CO. | Shelton | CT | Transportation Equipment Manufacturing336412 | 20-99 | ● ACTIVE |