| ADAlgonquin Div Rea Magnetic Wires | Guilford | CT | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| FSFeroleto Steel Company, INC. | Bridgeport | CT | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| GCGordon Corporation | Southington | CT | Primary Metal Manufacturing331210 | 1-19 | ◐ LIKELY ACTIVE |
| JCJ.E.T. Corporation | Bridgeport | CT | Primary Metal Manufacturing331511 | 1-19 | ◐ LIKELY ACTIVE |
| NSNortheastern Shaped Wire INC | Southington | CT | Primary Metal Manufacturing331222 | 1-19 | ◐ LIKELY ACTIVE |
| NSNucor Steel Connecticut, INC. | Wallingford | CT | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| USUlbrich Specialty Strip Mill | Wallingford | CT | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| ASAmetek Specialty Metal Product | Wallingford | CT | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| ASAmphenol Spectra Strip | Hamden | CT | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| CMCombined Metals of Chicago | Bristol | CT | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| GMGbc Metals LLC Somers Thin Strip | Waterbury | CT | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| WIWyman-gordon Investment Castings, Incorporated | Groton | CT | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| AWAccurate Wire, INC. | Branford | CT | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| TSTorrey S Crane Company | Southington (plantsville) | CT | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| EMEagle Manufacturing Company, INC. | Colchester | CT | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| MRMystic River Foundry | Mystic | CT | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| ASAllied Sinterings Powder Metal Products | Danbury | CT | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| ALAllegheny Ludlum Corporation | Waterbury | CT | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| PCPQ Controls, Inc | Bristol | CT | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| SMSiri Manufacturing Company, INC. | Danielson | CT | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| ABACMT Bristol | Bristol | CT | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| CACt32 Ametek Smp Wallingford | Wallingford | CT | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| LCLoos & Co., Inc. Pomfret | Pomfret Center | CT | Primary Metal Manufacturing331222 | 100-499 | ◐ LIKELY ACTIVE |
| MIMinteq International | Canaan | CT | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| WTWieland Thin Strip | Water | CT | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |