| SPSquare Products LLC | Sandy Hook | CT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SSSri Sai Nutrients, Inc | New Britain | CT | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SAStag Arms, LLC | New Britain | CT | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| SCStanadyne CORP | Windsor | CT | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
 Standard Machine & Tool, INC. | Bristol | CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SIStanley-bostitch INC Clinton Plant | Clinton | CT | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| SHStanley Hardware Div | New Britain | CT | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| SWState Welding & Fabricating, Inc. | Clinton | CT | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SWState Welding & Fabricating, INC. | Wallingford | CT | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMStevenson Millwork INC. | Stevenson | CT | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| SAStewarts Amusement Co., INC. | Monroe | CT | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| SRStockhouse Realty LLC | Bozrah | CT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SCStone Container CORP | Portland | CT | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SFStone Fabricators, LLC | Middletown | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SMStrain Measurement Devices, INC. | Wallingford | CT | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| SSStratford Steel, LLC | Stratford | CT | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SBSumitomo Bakelite No. America | Manchester | CT | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| SSSuraci Spray & Finishing, LLC | New Haven | CT | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SYSuzio York Hill Cos | Meriden | CT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SPSwiss Pro CNC LLC | New Britain | CT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| STSw Test 2 | Hartford | CT | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| SPSyn-mar Prods INC | Ellington | CT | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| SCSyntac Coated Products, LLC | New Hartford | CT | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| TETachwa Enterprises INC. | Hamden | CT | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| TMTag Manufacturing | Berlin | CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TTTan Tlaxcalli and Plus LLC | Meriden | CT | Food Manufacturing311830 | — | ◇ UNVERIFIED |
| TITechmold Industries, INC. | North Haven | CT | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| TCTechnical Coatings Laboratory L L C | Avon | CT | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| TPTechnique Printers, Inc | Clinton | CT | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| TPTechnology Plastics, LLC | Terryville | CT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TITeknicircuits INC | Danbury | CT | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| TUTelefunken Usa, LLC | South Windsor | CT | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| THTen Hoeve Brothers LLC | Meriden | CT | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| TMT.e.t. Manufacturing Co., INC. | Middlefield | CT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TCThe Counterworks, LLC | Danbury | CT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| TCThe Cutlery Shop LLC | Stamford | CT | Fabricated Metal Product Manufacturing332215 | — | ◇ UNVERIFIED |
| TFThe Flour Girl Bakery LLC | Hebron | CT | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| TFThe Flour Girl Bakery, LLC | Hebron | CT | Food Manufacturing311812 | — | ◇ UNVERIFIED |
 The Gilman Brothers Company | Bozrah | CT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TGThe Granite City New Britain | New Britain | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TIThe Industrial Wood Products Company Incorporated | Derby | CT | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| TPTheis Precision Steel CORP | Bristol | CT | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| TLThe Longwood Group, LLC | Ansonia | CT | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| TMThe Marion Manufacturing Company | Cheshire | CT | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| TNThe Notepad Store, LLC | Wallingford | CT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| TRThe Robert Barrett Company, LLC | Clinton | CT | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| TRThe Robert Barrett Company, LLC | Bloomfield | CT | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| TTThe Tailored Home L.L.C. | Westport | CT | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| TTThe Third Place, LLC | Stamford | CT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| TTThe Tortilla Villa INC. | West Haven | CT | Food Manufacturing311812 | — | ◇ UNVERIFIED |
