Abbott Ball Company the | West Hartford | 20–99 | ● ACTIVE |
Ccr Products, LLC | West Hartford | 20–99 | ● ACTIVE |
| DIDoncasters INC Precision Castings New England | Groton | 100–499 | ● ACTIVE |
| KCKanthal Corporation | Bethel | 20–99 | ● ACTIVE |
| MUMarmon Utility LLC | Seymour | 100–499 | ● ACTIVE |
Radcliff Wire INC | Bristol | 20–99 | ● ACTIVE |
Solventum Purification INC. | Meriden | 100–499 | ● ACTIVE |
Ulbrich Shaped Wire, INC. | North Haven | 20–99 | ● ACTIVE |
Yankee Casting Co, INC | Enfield | 20–99 | ● ACTIVE |
Deringer-ney INC. | Bloomfield | — | ● ACTIVE |
Dexmet Corporation | Wallingford | — | ● ACTIVE |
Glyne Manufacturing Co., INC. | Stratford | — | ● ACTIVE |
Integra-cast, LLC. | New Britain | — | ● ACTIVE |
| TPThe Platt Brothers & Company | Waterbury | 20–99 | ● ACTIVE |
Truelove & Maclean INC | Watertown | — | ● ACTIVE |
Vitta CORP | Bethel | — | ● ACTIVE |
Conn. Engineering Assoc. CORP | Sandy Hook | — | ● ACTIVE |
Fast Metals, INC. | Stamford | — | ● ACTIVE |
Haynes International, INC. | Windsor | — | ● ACTIVE |
| LWLuvata Waterbury, INC. | Waterbury | 100–499 | ● ACTIVE |
Sycast, INC. | Hartford | — | ● ACTIVE |
Ulbrich Stainless Steels & Special Metals, INC. | North Haven | — | ● ACTIVE |
| UFUS Forged Rings INC. | Greenwich | — | ● ACTIVE |
| ADAlgonquin Div Rea Magnetic Wires | Guilford | 20–99 | ◐ LIKELY ACTIVE |
| NSNucor Steel Connecticut, INC. | Wallingford | 20–99 | ◐ LIKELY ACTIVE |
| USUlbrich Specialty Strip Mill | Wallingford | 100–499 | ◐ LIKELY ACTIVE |
| CMCombined Metals of Chicago | Bristol | 1–19 | ◐ LIKELY ACTIVE |
| GMGbc Metals LLC Somers Thin Strip | Waterbury | — | ◐ LIKELY ACTIVE |
| WIWyman-gordon Investment Castings, Incorporated | Groton | — | ◐ LIKELY ACTIVE |
| ASAmetek Specialty Metal Product | Wallingford | — | ◐ LIKELY ACTIVE |
| MIMrm Industries Meriden Facility | Meriden | — | ◐ LIKELY ACTIVE |
| JJJ J Ryan Corporation Southington Galvanize Division | Plantsville | — | ◇ UNVERIFIED |
| LLuvata | Waterbury | — | ◇ UNVERIFIED |
| NSNortheastern Shaped Wire INC | Southington | — | ◇ UNVERIFIED |
| TSTorrey S Crane Company | Southington (plantsville) | — | ◇ UNVERIFIED |
| HEHoward Engineering CO | Naugatuck | 1–19 | ◐ LIKELY ACTIVE |
| ALAllegheny Ludlum Corporation | Waterbury | — | ◐ LIKELY ACTIVE |
| PCPQ Controls, Inc | Bristol | 20–99 | ◐ LIKELY ACTIVE |
| RSReliable Silver | Naugatuck | 20–99 | ◐ LIKELY ACTIVE |
| TFTaylor & Fenn CO | Windsor | 20–99 | ◐ LIKELY ACTIVE |
| UAUnited Aluminum CORP | North Haven | 100–499 | ◐ LIKELY ACTIVE |
| USUnited Steel Inc | East Hartford | 100–499 | ◐ LIKELY ACTIVE |
| MIMacristy Industries, INC. | New Britain | — | ◐ LIKELY ACTIVE |
| AWAccurate Wire, INC. | Branford | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Steel Strip Plant | Wallingford | — | ◇ UNVERIFIED |
| AIAlloys International | Waterbury | — | ◇ UNVERIFIED |
American Wire | Newtown (sandy Hook) | — | ◇ UNVERIFIED |
| APAstroseal Products Manufacturing | Chester | — | ◇ UNVERIFIED |
| BIBridgeport Insulated Wire CO | Stratford | — | ◇ UNVERIFIED |
| DCDexmet Corporation - Naugatuck | Naugatuck | — | ◇ UNVERIFIED |