| TNTilcon - Newtown Plant | Newtown | CT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TSTorrey S Crane Company | Southington (plantsville) | CT | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
 Ttm Technologies | Stafford | CT | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| TCTurbine Components Corporation | Branford | CT | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| WSWaterbury Screw Machine Products | Waterbury | CT | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| KPKeystone Paper & Box Company, INC. | South Windsor | CT | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| NHNelson Heat Treating Co, INC | Waterbury | CT | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SISanson, INC | New Britain | CT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| SPSyn-mar Products INC. | Ellington | CT | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| YTYardney Technical Products, INC. | Pawcatuck | CT | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◇ UNVERIFIED |
| 5P5n Plus | Fairfield | CT | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| 5P5n Plus INC | Trumbull | CT | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| AIAccel International Holdings, INC. | Cheshire | CT | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| ABAccurate Burring Co, LLC | Plainville | CT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AWAccurate Wire, INC. | Branford | CT | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| AIAcitronics INC | Branford | CT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ARAcme Rivet & Machine CORP | Bristol | CT | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Steel Strip Plant | Wallingford | CT | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| ACAlliance Carpet Cushion - Connecticut | Torrington | CT | Textile Product Mills314110 | — | ◇ UNVERIFIED |
| AIAlloys International | Waterbury | CT | Primary Metal Manufacturing331112 | — | ◇ UNVERIFIED |
| APAltuglas Plant- Arkema Group | Kensington | CT | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
 American Wire | Newtown (sandy Hook) | CT | Primary Metal Manufacturing331319 | — | ◇ UNVERIFIED |
| APAmgraph Packaging | Sprague | CT | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| ACAnocoil CORP Rockville | Vernon Rockville | CT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AMAnstro Mfg CO | Wolcott | CT | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| ABAntares/peninsula Bay Development | Stamford | CT | Machinery Manufacturing333313 | — | ◇ UNVERIFIED |
| AAplicare | Meriden | CT | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AArcor | Suffield | CT | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| ACArrow Concrete Products, INC | Milford | CT | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| APAstroseal Products Manufacturing | Chester | CT | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| AAti | East Hartford | CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BSBarker Steel LLC | South Windsor | CT | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| BPBar Plating | Meriden | CT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BCBayer CORP | Berlin | CT | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| BCB & C Finishing | Bristol | CT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| BIBeiersdorf, INC. | Norwalk | CT | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BABelimo Aircontrols | Danbury | CT | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| BMBirken Manufacturing Company, INC. | Bloomfield | CT | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| BUBitumar USA Asphalt Terminal | Portland | CT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BCBlue Crest INC | Danbury | CT | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| BTBodycote Thermal Processing | Waterbury | CT | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| BRBreault Road Fabrication & Distribution | Beacon Falls | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| BBBridgeport Biodiesel LLC | Bridgeport | CT | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| BIBridgeport Insulated Wire CO | Stratford | CT | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| BMBridgeport Metal Goods | Bridgeport | CT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
 Bristol-myers Squibb Research & Development | Wallingford | CT | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BCBrownell & CO INC | Moodus | CT | Textile Product Mills314991 | — | ◇ UNVERIFIED |
| BUByk USA LLC | North Haven | CT | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CCCapewell Components/ Ripley CO | Cromwell | CT | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| CCCaraustar Custom Packaging Group, INC | Versailles | CT | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
