| SMSalamon Manufacturing, INC. | New Britain | — | ◇ UNVERIFIED |
| SASatellite Aerospace, INC. | Manchester | — | ◇ UNVERIFIED |
| SFSequel Finishing INC | Terryville | — | ◇ UNVERIFIED |
| SCSiemon CO | Watertown | — | ◇ UNVERIFIED |
| SASilgan Aluminum Solutions | Waterbury | — | ◇ UNVERIFIED |
| SSSimpson Strong-tie Company, INC. | Enfield | — | ◇ UNVERIFIED |
| SISms Industries LLC | Hamden | — | ◇ UNVERIFIED |
| SPSolidification Products International, INC | North Haven | — | ◇ UNVERIFIED |
| SAStag Arms, LLC | New Britain | — | ◇ UNVERIFIED |
 Standard Machine & Tool, INC. | Bristol | — | ◇ UNVERIFIED |
| SBStanley Black & Decker | New Britain | — | ◇ UNVERIFIED |
| SIStanley-bostitch INC Clinton Plant | Clinton | — | ◇ UNVERIFIED |
| SHStanley Hardware Div | New Britain | — | ◇ UNVERIFIED |
| SWState Welding & Fabricating, Inc. | Clinton | — | ◇ UNVERIFIED |
| SWState Welding & Fabricating, INC. | Wallingford | — | ◇ UNVERIFIED |
| SRStockhouse Realty LLC | Bozrah | — | ◇ UNVERIFIED |
| SSStratford Steel, LLC | Stratford | — | ◇ UNVERIFIED |
| SUSubinas Usa, LLC | Windsor | — | ◇ UNVERIFIED |
| SSSuraci Spray & Finishing, LLC | New Haven | — | ◇ UNVERIFIED |
| TMTag Manufacturing | Berlin | — | ◇ UNVERIFIED |
| TITDL Industries LLC | Waterbury | — | ◇ UNVERIFIED |
| TITech-air, Incorporated | Uncasville | — | ◇ UNVERIFIED |
| THTen Hoeve Brothers LLC | Meriden | — | ◇ UNVERIFIED |
| TCThe Cutlery Shop LLC | Stamford | — | ◇ UNVERIFIED |
| TFThe Fletcher-terry Company, LLC. | East Berlin | — | ◇ UNVERIFIED |
 The Har-conn Chrome Company | West Hartford | — | ◇ UNVERIFIED |
| TIThe Iron Designer Ltd. | Bridgeport | — | ◇ UNVERIFIED |
| TMThe Marion Manufacturing Company | Cheshire | — | ◇ UNVERIFIED |
| TTThe Tri-mar Manufacturing Company | Southington | — | ◇ UNVERIFIED |
| TWThe Wilson Arms Company | Branford | — | ◇ UNVERIFIED |
| TETiger Enterprises, INC. | Plantsville | — | ◇ UNVERIFIED |
| TCTorrington CO Standard Plant | Torrington | — | ◇ UNVERIFIED |
| TPTurbotec Products INC. | Windsor | — | ◇ UNVERIFIED |
| TTTyger Tool | Stratford | — | ◇ UNVERIFIED |
| USUnited States Fire Arms Manufacturing | Hartford | — | ◇ UNVERIFIED |
| UCU.s. Chutes Corporation | Bantam | — | ◇ UNVERIFIED |
| UOUsdol Osha | Plantsville | — | ◇ UNVERIFIED |
| UDUS Dol Osha -bridgeport | Southbury | — | ◇ UNVERIFIED |
| UDUS Dol Osha Bridgeport | Madison | — | ◇ UNVERIFIED |
| UOUsdol Osha - Hartford Area Office | Putnam | — | ◇ UNVERIFIED |
| UOUsdol Osha - Hartford Area Office | East Hartford | — | ◇ UNVERIFIED |
| USU S Repeating Arms CO INC | New Haven | — | ◇ UNVERIFIED |
| VMVernier Metal Fabricating, Inc. | Seymour | — | ◇ UNVERIFIED |
| WCWaterbury Contract Eyelets & Stampings, INC. | Waterbury | — | ◇ UNVERIFIED |
| WPWaterbury Plating CO | Waterbury | — | ◇ UNVERIFIED |
| WWWhite Welding Company, INC. | Waterbury | — | ◇ UNVERIFIED |
| WFWhyco Finishing Tech INC | Thomaston | — | ◇ UNVERIFIED |
| WCWillis Commercial, LLC | Windsor | — | ◇ UNVERIFIED |
| WPWinsted Precision Ball CO | Winsted | — | ◇ UNVERIFIED |
