| ALAllegheny Ludlum Corporation | Waterbury | CT | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| BMBurton's Monument Shop, LLC | Waterbury | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| KIKing Industries | Waterbury | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| LMLa Molisana Sausage Company LLC | Waterbury | CT | Food Manufacturing311612 | 1-19 | ◐ LIKELY ACTIVE |
| MSMacdermid Specialty Chemical Services | Waterbury | CT | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| NINeoperl INC | Waterbury | CT | Plastics and Rubber Products Manufacturing326191 | 20-99 | ◐ LIKELY ACTIVE |
| NMNewmark Medical Components, INC. | Waterbury | CT | Computer and Electronic Product Manufacturing334510 | — | ◐ LIKELY ACTIVE |
| TITDL Industries LLC | Waterbury | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| WWWhite Welding Company, INC. | Waterbury | CT | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| AIAlloys International | Waterbury | CT | Primary Metal Manufacturing331112 | — | ◇ UNVERIFIED |
| BTBodycote Thermal Processing | Waterbury | CT | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| DIDevivo Industries INC. | Waterbury | CT | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| DCDossert Corporation | Waterbury | CT | Electrical Equipment, Appliance & Component Manufacturing335931 | — | ◇ UNVERIFIED |
| MCMacdermid Closed | Waterbury | CT | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| NMNova Metal Finishing, INC. | Waterbury | CT | Fabricated Metal Product Manufacturing332812 | — | ▲ REPORTED CLOSED |
| PAPark Advanced Composite Materials | Waterbury | CT | Textile Mills313320 | — | ◇ UNVERIFIED |
| PSPhoenix Soil LLC | Waterbury | CT | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| SRSega Redi-mix | Waterbury | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| 4A411 Austin Road | Waterbury | CT | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
| AHAnytime Hydraulics, LLC | Waterbury | CT | Fabricated Metal Product Manufacturing332912 | — | ◐ LIKELY ACTIVE |
| CHCt112 Haydon Kerk | Waterbury | CT | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| HPHartford Precision Products dba Waterbury Swiss Automatics | Waterbury | CT | Fabricated Metal Product Manufacturing332721 | 1-19 | ◐ LIKELY ACTIVE |
| RCRand-Whitney Container LLC, Waterbury | Waterbury | CT | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| APAmerican Plastic Products INC | Waterbury | CT | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◇ UNVERIFIED |
| IPIndustrial Paper & Plastic Co Inc | Waterbury | CT | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◇ UNVERIFIED |
| ISInfinity Stone, INC. | Waterbury | CT | Fabricated Metal Product Manufacturing332216 | 20-99 | ◇ UNVERIFIED |
| PCPower cover USA, LLC | Waterbury | CT | Transportation Equipment Manufacturing336399 | 1-19 | ◇ UNVERIFIED |
| T2Take 2 INC | Waterbury | CT | Fabricated Metal Product Manufacturing332991 | 20-99 | ◇ UNVERIFIED |
| WSWaterbury Swiss Automatics | Waterbury | CT | Fabricated Metal Product Manufacturing332721 | 20-99 | ◇ UNVERIFIED |
| APAmerican Plastic Products, INC. | Waterbury | CT | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| AIAmodios, INC. | Waterbury | CT | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| ACAnsonia Copper & Brass INC - Waterbury | Waterbury | CT | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| DLD & L Tool, INC. | Waterbury | CT | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| EDEyelet Design, INC | Waterbury | CT | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| ELEz4x4, LLC | Waterbury | CT | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| JIJoma, INC. | Waterbury | CT | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| MHMRX Holdings, Inc. | Waterbury | CT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MIMw Industries, INC. | Waterbury | CT | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| NBNational Breaker Services (OHIO), L.L.C. | Waterbury | CT | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◇ UNVERIFIED |
| OQOakville Quality Products, LLC d/b/a Bobken Automatics | Waterbury | CT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RHRenewable Heat Products, LLC | Waterbury | CT | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TETyco Electronics Waterbury | Waterbury | CT | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| WCWaterbury Contract Eyelets & Stampings, INC. | Waterbury | CT | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| WRWaterbury Rolling Mills | Waterbury | CT | Primary Metal Manufacturing331411 | — | ◇ UNVERIFIED |
| WCWoodfree Crating Systems | Waterbury | CT | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
