| FBFci Burndy | Bethel | — | ◇ UNVERIFIED |
| FRFluoropolymer Resources INC | Willimantic | — | ◇ UNVERIFIED |
| FCFreeport-mcmoran Copper Rod Plant | Norwich | — | ◇ UNVERIFIED |
| GCGordon Corporation | Southington | — | ◇ UNVERIFIED |
| IAIndalex Aluminum Solutions | Berlin | — | ◇ UNVERIFIED |
| RFRepublic Foil, INC | Danbury | — | ◇ UNVERIFIED |
| SSSeymour Specialty Wire | Seymour | — | ◇ UNVERIFIED |
| SFStanley-bostitch Fastening Systems | Clinton | — | ◇ UNVERIFIED |
| TMThe Miller CO | Meriden | — | ◇ UNVERIFIED |
| TMTitanium Metals CORP | East Windsor | — | ◇ UNVERIFIED |
| ABACMT Bristol | Bristol | 1–19 | ◐ LIKELY ACTIVE |
| APAstroseal Products Mfg. Corporation | Chester | — | ◐ LIKELY ACTIVE |
| CACt32 Ametek Smp Wallingford | Wallingford | 20–99 | ◐ LIKELY ACTIVE |
| LCLoos & Co., Inc. Pomfret | Pomfret Center | 100–499 | ◐ LIKELY ACTIVE |
| MIMinteq International | Canaan | 20–99 | ◐ LIKELY ACTIVE |
| WTWieland Thin Strip | Water | 20–99 | ◐ LIKELY ACTIVE |
| 5P5n Plus INC | Bridgeport | — | ◇ UNVERIFIED |
| AWAble Wire Company | Naugatuck | — | ◇ UNVERIFIED |
 American Wire CORP | Sandy Hook | — | ◇ UNVERIFIED |
| ACAnsonia Copper & Brass INC - Ansonia | Ansonia | — | ◇ UNVERIFIED |
| ACAnsonia Copper & Brass INC - Waterbury | Waterbury | — | ◇ UNVERIFIED |
| BABaobab Asset Management LLC | Greenwich | — | ◇ UNVERIFIED |
| BIBhs Industries, Limited | Wallingford | — | ◇ UNVERIFIED |
| BTBingham & Taylor | Rocky Hill | — | ◇ UNVERIFIED |
 Carpenter Technology Corporation | Bridgeport | — | ◇ UNVERIFIED |
| CCC&m CORP | Dayville | — | ◇ UNVERIFIED |
| EMEagle Manufacturing Company, INC. | Colchester | — | ◇ UNVERIFIED |
| EDEyelet Design, INC | Waterbury | — | ◇ UNVERIFIED |
| GCGeneral Cable Industries | Dayville | — | ◇ UNVERIFIED |
| HAH & A Steel LLC | Brooklyn | — | ◇ UNVERIFIED |
| IPIndustrial Precious Metals LLC | Wallingford | — | ◇ UNVERIFIED |
| JCJ.E.T. Corporation | Bridgeport | — | ◇ UNVERIFIED |
| JCJ.E.T. Corporation | Bridgeport | — | ◇ UNVERIFIED |
| MMMcp Metalspecialties | Fairfield | — | ◇ UNVERIFIED |
| MMMinteq/specialty Minerals INC | North Canaan | — | ◇ UNVERIFIED |
| NWNutmeg Wire, INC. | Baltic | — | ◇ UNVERIFIED |
| PGParamount Glassworks, LLC | Woodstock | — | ◇ UNVERIFIED |
| PSPcc Structurals | Groton | — | ◇ UNVERIFIED |
| PWPrecision Wire Cut, INC. | Waterbury | — | ◇ UNVERIFIED |
| SWSandvik Wire and Heating Technologies | Bethel | — | ◇ UNVERIFIED |
| SMSiri Manufacturing Company, INC. | Danielson | — | ◇ UNVERIFIED |
| TETachwa Enterprises INC. | Hamden | — | ◇ UNVERIFIED |
| TPTheis Precision Steel CORP | Bristol | — | ◇ UNVERIFIED |
| TSTorrey S Crane | Plantsville | — | ◇ UNVERIFIED |
| WRWaterbury Rolling Mills | Waterbury | — | ◇ UNVERIFIED |
| WIWestfalia, INC | Bristol | — | ◇ UNVERIFIED |
| WWWire Works, INC. | Milford | — | ◇ UNVERIFIED |
