| CTClawson Tank CO | Clarkston | MI | — | ◇ UNVERIFIED |
| CEClean Earth Environmental Group, LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| CSClearview Structural Steel Souderton Plt | Souderton | PA | — | ◇ UNVERIFIED |
| CFClementsville Fabricating INC | Liberty | KY | — | ◇ UNVERIFIED |
| CPCleveland-cliffs Piedmont | Newton | NC | — | ◇ UNVERIFIED |
| CSC&l Steel | Jacksonville | FL | — | ◇ 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 |
| 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 |
| CACnh America LLC | Belleville | PA | — | ◇ UNVERIFIED |
| CACnh Amer LLC - Belleville Facility | Belleville | PA | — | ◇ UNVERIFIED |
| CICoastal Industrial Fabrication | Theodore | AL | — | ◇ UNVERIFIED |
| CPCoastcraft Property | Tacoma | WA | — | ◇ UNVERIFIED |
| CICoast Iron & Steel CO | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| CMColfor Mfg Machining Div Minerva Operations | Minerva | OH | — | ◇ UNVERIFIED |
| CWCo-line Welding INC | Sully | IA | — | ◇ UNVERIFIED |
| CICollis INC | Elizabethtown | KY | — | ◇ UNVERIFIED |
| CBColorado Bridge & Iron INC | Fruita | CO | — | ◇ UNVERIFIED |
| CCColson Caster Corporation | Jonesboro | AR | — | ◇ UNVERIFIED |
| CBColumbia Business Center Bldg 33 | Vancouver | WA | — | ◇ UNVERIFIED |
| CTColumbian Tectank | Kansas City | KS | — | ◇ UNVERIFIED |
| CSColumbia Steel INC | Rialto | CA | — | ◇ UNVERIFIED |
| CFCommercial Fabricators | Bridgeview | IL | — | ◇ UNVERIFIED |
| CHCommercial Honing CO | Fontana | CA | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | Nashville | TN | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | San Bernardino | CA | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | Louisville | KY | — | ◇ UNVERIFIED |
| CMCommercial Millwork Solutions | Rosemount | MN | — | ◇ UNVERIFIED |
| CECommscope, Euless Facility | Euless | TX | — | ◇ UNVERIFIED |
| CMCompatible Manufacturing INC | Marion | MT | — | ◇ UNVERIFIED |
| CBComponent Bar Products Inc-st Charles | Saint Charles | MO | — | ◇ UNVERIFIED |
| CSCompx Securityproducts | River Grove | IL | — | ◇ UNVERIFIED |
| CIConcepts in Millwork INC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| CSConnectivity Solutions Mfg Incorporated | Omaha | NE | — | ◇ UNVERIFIED |
| CCConnector Castings INC | Selmer | TN | — | ◇ UNVERIFIED |
| CEConsolidated Equipment Group | Fosston | MN | — | ◇ UNVERIFIED |
| CAConstruction Attachments, INC. | Lenoir | NC | — | ◇ UNVERIFIED |
| CMContainer Management Services | Portland | OR | — | ◇ UNVERIFIED |
| CPContainer Products Corporation | Wilmington | NC | — | ◇ UNVERIFIED |
| CFContemporary Furniture Group, Incorporated - Carter Furniture of Sal | Denton | NC | — | ◇ UNVERIFIED |
| CBContinental Bridge | Alexandria | MN | — | ◇ UNVERIFIED |
| CCContinental Conveyor & Equipment CO | Pueblo | CO | — | ◇ UNVERIFIED |
| CPContinental Powertrain USA LLC | Fountain Inn | SC | — | ◇ UNVERIFIED |
| CPContinental Precision Stamping, INC | Pomona | CA | — | ◇ UNVERIFIED |
| CSContour Saws INC | Des Plaines | IL | — | ◇ UNVERIFIED |
| CPControlled Precision Machining INC | Farmington Hills | MI | — | ◇ UNVERIFIED |
| CMConveyor Mfg & Supply INC | Milton | WV | — | ◇ UNVERIFIED |
| CConxtech | Woodland | CA | — | ◇ UNVERIFIED |
| CIConxtech INC | Hayward | CA | — | ◇ UNVERIFIED |
| CTCook Tractor Parts INC 351 Rd | Clinton | MO | — | ◇ UNVERIFIED |
| CBCooper B-line INC | Sherman | TX | — | ◇ UNVERIFIED |
| CBCooper B-line INC | Troy | IL | — | ◇ UNVERIFIED |
| CSCooper's Steel Fabricators | Shelbyville | TN | — | ◇ UNVERIFIED |
| CTCooper Tank-203-205 Moore St | Brooklyn | NY | — | ◇ UNVERIFIED |
| CICopelands, INC. | Ooltewah | TN | — | ◇ UNVERIFIED |
| CCCoperion Corporation | Wytheville | VA | — | ◇ UNVERIFIED |
| CKCoperion K-tron (stormwater) | Salina | KS | — | ◇ UNVERIFIED |
| CFCopper Field Chimney Supply | Aberdeen | NC | — | ◇ UNVERIFIED |
| CRCornerstone Rack and Tooling, LLC | Lawrenceburg | TN | — | ◇ UNVERIFIED |
| CRCovanta Resource Recovery Facility | Pittsfield | MA | — | ◇ UNVERIFIED |
| CCowelco | Long Beach | CA | — | ◇ UNVERIFIED |
| CDCox Design & Metal Fabrication INC | Altoona | IA | — | ◇ UNVERIFIED |
| CICox Investments LLC | Bristol | VA | — | ◇ UNVERIFIED |
| CTCoyne Textile Services | Cleveland | OH | — | ◇ UNVERIFIED |
| CBCpeg Buffalo LLC | Tonawanda | NY | — | ◇ UNVERIFIED |
| CTCraig Technologies | Seaford | DE | — | ◇ UNVERIFIED |
| CDCreative Display Panels | Newbury Park | CA | — | ◇ UNVERIFIED |
 Creative Machining Technolgy | Corona | CA | — | ◇ UNVERIFIED |
| CMCreative Metalcraft CORP. | Hiram | GA | — | ◇ UNVERIFIED |
| CICreativison, INC. Dba Performance Display & Millwork | Grimes | IA | — | ◇ UNVERIFIED |
| CMCreganna Medical | Tualatin | OR | — | ◇ UNVERIFIED |
| CPCrenlo - Plant 3 | Rochester | MN | — | ◇ UNVERIFIED |
| CUCrest Ultrasonics | Trenton | NJ | — | ◇ UNVERIFIED |
| CLCr Laurence CO INC | Vernon | CA | — | ◇ UNVERIFIED |
| CCCrown Column & Millworks LLC | Attalla | AL | — | ◇ UNVERIFIED |
| CTCrown Tank CO LLC | Horseheads | NY | — | ◇ UNVERIFIED |
| CRC & R Sales Inc/dba Kretzschmar Steel | Colton | CA | — | ◇ UNVERIFIED |
| CMCrystal Metalworks | Hatfield | PA | — | ◇ UNVERIFIED |
| CSCrystal Stamping LLC | Pawtucket | RI | — | ◇ UNVERIFIED |
| CSCrystal Steel Memphis, LLC | Gallaway | TN | — | ◇ UNVERIFIED |
| CPC&s Plating & Machine | Trenton | GA | — | ◇ UNVERIFIED |
