| CPCleveland-cliffs Piedmont | Newton | NC | — | ◇ UNVERIFIED |
| CLC L Rieckhoff CO | Taylor | MI | — | ◇ UNVERIFIED |
| CSC&l Steel | Jacksonville | FL | — | ◇ UNVERIFIED |
| CFClute Facility | Clute | TX | — | ◇ UNVERIFIED |
| CMC Mayo, INC | Springdale | AR | — | ◇ UNVERIFIED |
| CCCmc Coatings | Waxahachie | TX | — | ◇ UNVERIFIED |
| CCCmc Coating Toltec Steel | Kankakee | IL | — | ◇ UNVERIFIED |
| CJCmc Joist & Deck Iowa | Iowa Falls | IA | — | ◇ UNVERIFIED |
| CRCmc Rebar | Nashville | TN | — | ◇ UNVERIFIED |
| CRCmc Rebar-ga-atlanta | Duluth | GA | — | ◇ UNVERIFIED |
| CRCmc Rebar Muncie North | Muncie | IN | — | ◇ UNVERIFIED |
| CRCmc Rebar-oh-cincinnati | Hamilton | OH | — | ◇ UNVERIFIED |
| CRCmc Rebar - Oklahoma City | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CRCmc Rebar - St. Louis | O Fallon | MO | — | ◇ UNVERIFIED |
| CRCmc Rebar - Wa - Auburn | Auburn | WA | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators (dba Cmc Rebar) | Melissa | TX | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators, INC | Polo | MO | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators INC (dba Cmc Capitol City Steel) | Buda | TX | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators INC Dba Cmc Capitol Steel | Baton Rouge | LA | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators INC (dba Cmc Rebar) | Waxahachie | TX | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators Incdba Cmc Rebar | Houston | TX | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators INC Dba Cmc Rebar Corpus Christi | Corpus Christi | TX | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators INC Dba Cmc Rebar San Antonio | San Antonio | TX | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators INC (dba Cmc Steel Products) | Hope | AR | — | ◇ UNVERIFIED |
| CSCmc Steel Us, LLC | Nashville | TN | — | ◇ UNVERIFIED |
| CSCmc Steel Us, LLC Dba Cmc Rebar | Farmersville | TX | — | ◇ UNVERIFIED |
| CSCmc Sterling Steel | Houston | TX | — | ◇ UNVERIFIED |
| CNCmi New Castle Facility | New Castle | PA | — | ◇ UNVERIFIED |
| CICoastal Industrial Fabrication | Theodore | AL | — | ◇ UNVERIFIED |
| CICoast Iron & Steel CO | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| CWCo-line Welding INC | Sully | IA | — | ◇ UNVERIFIED |
| CICollis INC | Elizabethtown | KY | — | ◇ UNVERIFIED |
| CIColmac Industries Site | Colville | WA | — | ◇ UNVERIFIED |
| CBColorado Bridge & Iron INC | Fruita | CO | — | ◇ UNVERIFIED |
| CCColson Caster Corporation | Jonesboro | AR | — | ◇ UNVERIFIED |
| CBColumbia Business Center Bldg 33 | Vancouver | WA | — | ◇ UNVERIFIED |
| CSColumbia Steel INC | Rialto | CA | — | ◇ UNVERIFIED |
| CFCommercial Fabricators | Bridgeview | IL | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | Louisville | KY | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | Nashville | TN | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | San Bernardino | CA | — | ◇ UNVERIFIED |
| CSCommercial Sheet Metal | Canton | MA | — | ◇ UNVERIFIED |
| CECommscope, Euless Facility | Euless | TX | — | ◇ UNVERIFIED |
| CSCompx Securityproducts | River Grove | IL | — | ◇ UNVERIFIED |
| CSConnectivity Solutions Mfg Incorporated | Omaha | NE | — | ◇ UNVERIFIED |
| CCConnector Castings INC | Selmer | TN | — | ◇ UNVERIFIED |
| CAConstellium-uacj Abs LLC | Bowling Green | KY | — | ◇ UNVERIFIED |
| CMContainer Management Services | Portland | OR | — | ◇ UNVERIFIED |
 Contech Engineered Solutions LLC | Fort Pierce | FL | — | ◇ UNVERIFIED |
| Contech Engineered Solutions LLC | Pinellas Park | FL | — | ◇ UNVERIFIED |
