| AAAdvanced Adhesive Systems INC | Newington | CT | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |
| ADAlgonquin Div Rea Magnetic Wires | Guilford | CT | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| AUAllnex USA Inc., Wallingford Ct Plant | Wallingford | CT | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| AHAmerican Heat Treating | Monroe | CT | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BABarnes Aerospace | Windsor | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| BNBiomerics Nle LLC | Monroe | CT | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| BCBuilders Concrete East | Windham | CT | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| DCDavis-standard CORP | Pawcatuck | CT | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| EFEmhart Fastening Teknologies | Danbury | CT | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| EBEnsign Bickford Aerospace & Defense CO | Simsbury | CT | Fabricated Metal Product Manufacturing332992 | 500+ | ◐ LIKELY ACTIVE |
| FCFairfield County Millwork INC. | Bethany | CT | Wood Product Manufacturing321918 | 20-99 | ◐ LIKELY ACTIVE |
| GSGems Sensors | Plainville | CT | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| NSNucor Steel Connecticut, INC. | Wallingford | CT | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
Petit Tool CO. the | Thomaston | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| RERaf Electronic Hardware | Seymour | CT | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| SSSterling Sintered Technologies INC | Winsted | CT | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| SEStewart Efi Ct LLC | Thomaston | CT | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| SBSumitomo Bakelite North America, INC. | Manchester | CT | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| TGTalalay Global, INC. | Shelton | CT | Plastics and Rubber Products Manufacturing326299 | 100-499 | ◐ LIKELY ACTIVE |
| USUlbrich Specialty Strip Mill | Wallingford | CT | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| USU S Chrome Corporation | Stratford | CT | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
3333 LLC | Manchester | CT | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
Advanced Machining Technologies L.l.c | Plainville | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| ALAerocision LLC | Chester | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| ANAhlstrom-munksjo Nonwovens LLC | Windsor Locks | CT | Textile Mills313230 | — | ◐ LIKELY ACTIVE |
| AGAmerican Greenfuels, LLC | New Haven | CT | Chemical Manufacturing325193 | — | ◐ LIKELY ACTIVE |
| ASAmerican Sleeve Bearing | Stafford Springs | CT | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| ASAmphenol Spectra Strip | Hamden | CT | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
Bedoukian Research, INC. | Danbury | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| BPBell Power Systems | Essex | CT | Machinery Manufacturing333618 | 20-99 | ◐ LIKELY ACTIVE |
| BMBirk Manufacturing, INC. | East Lyme | CT | Computer and Electronic Product Manufacturing334419 | 100-499 | ◐ LIKELY ACTIVE |
| BPBlakeslee Prestress INC | Branford | CT | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| BIBollore, INC. | Dayville | CT | Paper Manufacturing322221 | 20-99 | ◐ LIKELY ACTIVE |
Bracone Metal Spinning, INC. | Southington | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
Brookwood Laminating INC. | Plainfield | CT | Textile Mills313310 | — | ◐ LIKELY ACTIVE |
| CIClinton Instrument CO the | Clinton | CT | Computer and Electronic Product Manufacturing334419 | 1-19 | ◐ LIKELY ACTIVE |
| CMColt Manufacturing Company | West Hartford | CT | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| CMColumbia Manufacturing, INC. | Columbia | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| CMCombined Metals of Chicago | Bristol | CT | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| CSCoreslab Structures (conn), INC | Thomaston | CT | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| CLCovidien LP (formerly U S Surgical CORP /tyco Healthcare Group) | North Haven | CT | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
Dcg Precision Manufacturing Limited Liability Company | Bethel | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| DCDonham Craft | Naugatuck | CT | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| EMEcho Manufacturing CO INC | Waterbury | CT | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| FCFlagship Converters, INC | Danbury | CT | Plastics and Rubber Products Manufacturing326112 | 20-99 | ◐ LIKELY ACTIVE |
| FLFrito Lay Incorporated | Dayville | CT | Food Manufacturing311919 | — | ◐ LIKELY ACTIVE |
| FEFuelcell Energy INC | Danbury | CT | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| GMGbc Metals LLC Somers Thin Strip | Waterbury | CT | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
Glacier Computer LLC | New Milford | CT | Computer and Electronic Product Manufacturing334111 | — | ◐ LIKELY ACTIVE |
| GDGuida Dairy | New Britain | CT | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |