| CSCanam Steel CORP | Claremont | NH | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CSCanatal Steel USA | Roanoke | VA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CCCan CORP of Amer/blandon Plt | Blandon | PA | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| CUCanik USA | West Palm Beach | FL | Fabricated Metal Product Manufacturing332994 | 20-99 | ◐ LIKELY ACTIVE |
| CBCannon Boiler Works | New Kensington | PA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CUCan-one USA | Nashua | NH | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| CUCanpack US | Olyphant | PA | Fabricated Metal Product Manufacturing332431 | 500+ | ◐ LIKELY ACTIVE |
| CMCapron Mfg Co-capron P/t | Capron | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| CFCarbo Forge INC | Fremont | OH | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| CSCarolina Steel CORP | Winston-salem | NC | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CSCarrara Steel | Erie | PA | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| CACathedral Art Metal Co., INC. | Providence | RI | Fabricated Metal Product Manufacturing332112 | 20-99 | ◐ LIKELY ACTIVE |
| CSCbc Steel Buildings | Lathrop | CA | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| CCCcl Container Aerosol Div | Hermitage | PA | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| CECentral Electropolishing CO (celco) | Anthony | KS | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| CSCentral Sandblasting Company | Mounds View | MN | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| CFCerro Fabricated Products LLC - Weyers Cave | Weyers Cave | VA | Fabricated Metal Product Manufacturing332112 | — | ◐ LIKELY ACTIVE |
| CRChance Rides Mfg. | Wichita | KS | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| CMChardon Metal Products | Chardon | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| CECharles Engineering INC | Clearwater | KS | Fabricated Metal Product Manufacturing332114 | 20-99 | ◐ LIKELY ACTIVE |
| CMCharleston Metal Products INC | Waterloo | IN | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| CNCharleston Naval Weapons Station - Suite 100 | Goose Creek | SC | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| CSCharleston Steel | Dunbar | WV | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CACharlotte Anodizing | Charlotte | MI | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| CIChart INC | Mccarran | NV | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CIChart INC | Ball Ground | GA | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| CBChattanooga Boiler & Tank CO. | Chattanooga | TN | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| CCChattanooga CORP | Chattanooga | TN | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| CPChautauqua Precision Machining, INC. | Ashville | NY | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| CLChemcoaters LLC | Gary | IN | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| CAChief Agri Industrial Products | Grand Island | NE | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
Chief Industries Buildings GI | Grand Island | NE | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
Chief Industries - Fabrication Div | Grand Island | NE | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| CAChristensen Arms | Gunnison | UT | Fabricated Metal Product Manufacturing332994 | 100-499 | ◐ LIKELY ACTIVE |
| CDChrome Deposit CORP | Monroe | OH | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| CMChurch Metal Spinning CO | Milwaukee | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| CECircuit Engineering LLC | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| CMCity Machine & Welding | Amarillo | TX | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| CPCity Plating | Cleveland | OH | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| CSCives Steel Company South-west Division | El Mirage | AZ | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| CRClad Rex LLC | Franklin Park | IL | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| CPClark Pulley Industries | Russellville | AL | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
Clark Welding Tanks LLC | Appalachia | VA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CHClayton H Landis CO INC | Souderton | PA | Fabricated Metal Product Manufacturing332323 | 100-499 | ◐ LIKELY ACTIVE |
| CBClearwater Bullets | Lewiston | ID | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| CSCleveland Steel Container - Kilgore | Kilgore | TX | Fabricated Metal Product Manufacturing332439 | 20-99 | ◐ LIKELY ACTIVE |
| CICmc Impact Metals | Pell City | AL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| CRCmc Rebar | Dallas | TX | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CRCmc Rebar Albuquerque | Albuquerque | NM | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| CRCmc Rebar - Belvidere | Belvidere | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |