| CTCellu Tissue | East Hartford | CT | Paper Manufacturing322121 | — | ● ACTIVE |
| CICentrix, Inc. | Shelton | CT | Miscellaneous Manufacturing339114 | 20-99 | ● ACTIVE |
| CSCentury Spring Mfg. CO INC | Bristol | CT | Fabricated Metal Product Manufacturing332613 | 20-99 | ● ACTIVE |
Century Tool CO INC | Thompson | CT | Fabricated Metal Product Manufacturing332710 | 1-19 | ● ACTIVE |
Cenveo Worldwide LTD | Stamford | CT | Paper Manufacturing322230 | — | ● ACTIVE |
Chapco INC | Chester | CT | Fabricated Metal Product Manufacturing332322 | — | ● ACTIVE |
| CGChase Graphics, INC. | Putnam | CT | Printing and Related Support Activities323110 | 1-19 | ● ACTIVE |
Church Hill Classics LTD | Monroe | CT | Miscellaneous Manufacturing339999 | 100-499 | ● ACTIVE |
| CMCirtec Medical CORP | Enfield | CT | Computer and Electronic Product Manufacturing334510 | 100-499 | ● ACTIVE |
| CIClinton Instrument Company | Clinton | CT | Computer and Electronic Product Manufacturing334513 | 1-19 | ● ACTIVE |
| CJCollins & Jewell Company, INC. | Bozrah | CT | Fabricated Metal Product Manufacturing332312 | 20-99 | ● ACTIVE |
| CBColonial Bronze Company | Torrington | CT | Fabricated Metal Product Manufacturing332510 | 20-99 | ● ACTIVE |
| CCColonial Coatings Corporation | Milford | CT | Fabricated Metal Product Manufacturing332813 | 20-99 | ● ACTIVE |
Colt's Manufacturing Company, LLC | West Hartford | CT | Fabricated Metal Product Manufacturing332994 | 100-499 | ● ACTIVE |
| CMColumbia Manufacturing, INC. | Columbia | CT | Transportation Equipment Manufacturing336412 | 20-99 | ● ACTIVE |
| CTComet Technologies Usa, INC. | Shelton | CT | Computer and Electronic Product Manufacturing334413 | 100-499 | ● ACTIVE |
Commerce Packaging CORP. | Norwalk | CT | Wood Product Manufacturing321920 | 20-99 | ● ACTIVE |
Commercial Sewing, INC | Torrington | CT | Textile Product Mills314910 | 100-499 | ● ACTIVE |
| CICompanion Industries, INC. | Southington | CT | Fabricated Metal Product Manufacturing332116 | 20-99 | ● ACTIVE |
| CEComponent Engineers, INC | Wallingford | CT | Machinery Manufacturing333514 | 20-99 | ● ACTIVE |
Composition Materials CO INC | Milford | CT | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ● ACTIVE |
| CAConnecticut Anodizing & Finishing CO INC | Bridgeport | CT | Fabricated Metal Product Manufacturing332813 | 20-99 | ● ACTIVE |
Connecticut Container CORP. | North Haven | CT | Paper Manufacturing322211 | 100-499 | ● ACTIVE |
| CMConnecticut Microwave Corporation | Cheshire | CT | Computer and Electronic Product Manufacturing334220 | 1-19 | ● ACTIVE |
Connecticut Precast Corporation | Monroe | CT | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Connecticut Spring & Stamping Corporation the | Farmington | CT | Fabricated Metal Product Manufacturing332116 | 100-499 | ● ACTIVE |
| CSConnecticut Stone | Milford | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ● ACTIVE |
Connecticut Tool & Manufacturing Company, LLC | Plainville | CT | Transportation Equipment Manufacturing336412 | — | ● ACTIVE |
Conn. Engineering Assoc. CORP | Sandy Hook | CT | Primary Metal Manufacturing331492 | 1-19 | ● ACTIVE |
| CVConn Valley Bindery Inc | New Britain | CT | Printing and Related Support Activities323111 | 20-99 | ● ACTIVE |
Conoptics INC | Danbury | CT | Computer and Electronic Product Manufacturing334510 | 1-19 | ● ACTIVE |
| CIConsolidated Industries Acquisition Corporation | Cheshire | CT | Fabricated Metal Product Manufacturing332111 | — | ● ACTIVE |
Continental Machine Tool Co., INC. | New Britain | CT | Machinery Manufacturing333517 | 1-19 | ● ACTIVE |
Contract Manufacturing Ne LLC | Bristol | CT | Food Manufacturing311999 | — | ● ACTIVE |
| CMContract Medical Manufacturing, LLC | Oxford | CT | Miscellaneous Manufacturing339112 | 1-19 | ● ACTIVE |
Control Module, INC. | Enfield | CT | Transportation Equipment Manufacturing336320 | 20-99 | ● ACTIVE |
| CRCorbin Russwin | Berlin | CT | Fabricated Metal Product Manufacturing332510 | 100-499 | ● ACTIVE |
| CSCoreslab Structures (conn), INC | Thomaston | CT | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Cornell-carr Co., INC. | Monroe | CT | Fabricated Metal Product Manufacturing332321 | 20-99 | ● ACTIVE |
Coronet Machinery CORP. | Bethel | CT | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
| CICorru-seals, INC. | Wallingford | CT | Miscellaneous Manufacturing339991 | 1-19 | ● ACTIVE |
| CBCounterweight Brewing Company LLC | Cheshire | CT | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ● ACTIVE |
| CCCountry Carpenters | Hebron | CT | Wood Product Manufacturing321992 | 20-99 | ● ACTIVE |
Cowles Operating Company | North Haven | CT | Machinery Manufacturing333414 | 100-499 | ● ACTIVE |
Creative Envelope, INC. | Putnam | CT | Miscellaneous Manufacturing339940 | 1-19 | ● ACTIVE |
Creed 2.0, LLC | New Britain | CT | Fabricated Metal Product Manufacturing332721 | 100-499 | ● ACTIVE |
Crescent Manufacturing Operating Company | Burlington | CT | Fabricated Metal Product Manufacturing332722 | 20-99 | ● ACTIVE |
Cromwell Concrete Products, Incorporated | Cromwell | CT | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ● ACTIVE |
| CMC-tech Manufacturing Co., LLC | Watertown | CT | Fabricated Metal Product Manufacturing332710 | 1-19 | ● ACTIVE |
Cuescript INC | Stratford | CT | Computer and Electronic Product Manufacturing334220 | 1-19 | ● ACTIVE |