| CPClark Pacific Dba Pacific Embedded Products | Fontana | CA | — | ◇ UNVERIFIED |
| CSClark Substations L L C | Calera | AL | — | ◇ UNVERIFIED |
| CWClark Welding and Fabricating, INC. | Frederick | MD | — | ◇ UNVERIFIED |
| CMClassic Metals | Denver | CO | — | ◇ UNVERIFIED |
| CFClayton Fabrication and Metal Works INC. | Sikeston | MO | — | ◇ UNVERIFIED |
| CSClegg Steel | Salt Lake City | UT | — | ◇ UNVERIFIED |
| CSClermont Steel Fabricating, LLC | Batavia | OH | — | ◇ UNVERIFIED |
| CMCleveland Manufacturing CO | Sweetwater | TN | — | ◇ UNVERIFIED |
| CYCleveland Yutaka Corporation | Shelby | NC | — | ◇ UNVERIFIED |
| CKCliff Koppe Metals | Kelso | WA | — | ◇ UNVERIFIED |
| CMC&L Metal Sales LLC | Portland | OR | — | ◇ UNVERIFIED |
| CFCls Fabrication INC | Bend | OR | — | ◇ UNVERIFIED |
| CFCLUTCH FABRICATION & DESIGN LLC | Bloomington | IN | — | ◇ UNVERIFIED |
| CFCLUTCH FABRICATION & DESIGN LLC | Bloomington | IN | — | ◇ UNVERIFIED |
| CACMA Acquisitions, Inc. | Saint Joseph | MO | — | ◇ UNVERIFIED |
| CACmc Anchoring Systems | Salisbury | NC | — | ◇ UNVERIFIED |
| CCCmc Construction Svc | Kailua | HI | — | ◇ UNVERIFIED |
| CJCmc Joist and Deck Sc | Eastover | SC | — | ◇ UNVERIFIED |
| CJCmc Joist and Deck/ White Deer Twp | New Columbia | PA | — | ◇ UNVERIFIED |
| CPCmc Post Oklahoma LLC CO Commercial Met / Cmc Southern Post Durant | Durant | OK | — | ◇ UNVERIFIED |
| CRCmc Rebar | Navasota | TX | — | ◇ UNVERIFIED |
| CRCmc Rebar | Fredericksburg | VA | — | ◇ UNVERIFIED |
| CRCmc Rebar - Ca - Napa | Napa | CA | — | ◇ UNVERIFIED |
| CRCmc Rebar-ct-plainville | Plainville | CT | — | ◇ UNVERIFIED |
| CRCmc Rebar-in Muncie | Muncie | IN | — | ◇ UNVERIFIED |
| CRCmc Rebar - Kansas City | Kansas City | MO | — | ◇ UNVERIFIED |
| CRCmc Rebar - Muskogee | Muskogee | OK | — | ◇ UNVERIFIED |
| CRCmc Rebar Nc Raleigh | Raleigh | NC | — | ◇ UNVERIFIED |
| CRCmc Rebar Reno | Sparks | NV | — | ◇ UNVERIFIED |
| CRCmc Rebar-tn-memphis | Collierville | TN | — | ◇ UNVERIFIED |
| CRCmc Rebar - Wa - Auburn South | Auburn | WA | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators | Houston | TX | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators-dba Cmc Rebar | Etiwanda | CA | — | ◇ UNVERIFIED |
| CMC M C Steel Fabricators, INC. | Starke | FL | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators, INC | Las Vegas | NV | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators, INC. | New Columbia | PA | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators INC Dba Cmc Cable | Fontana | CA | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators INC Dba Cmc Rebar Tracy | Tracy | CA | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators, INC Dba \ Cmc Steel Fresno | Fresno | CA | — | ◇ UNVERIFIED |
| CSC.m. Steel, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| CMCnc Metalcraft LLC | Hopkins | MN | — | ◇ UNVERIFIED |
 Coalfield Services - Old Shop | Wytheville | VA | — | ◇ UNVERIFIED |
| CICoal Iron LLC | Anderson | IN | — | ◇ UNVERIFIED |
| CICoal Iron LLC | Anderson | IN | — | ◇ UNVERIFIED |
| CCCoastal Construction and Lumber Company, INC | Yuba City | CA | — | ◇ UNVERIFIED |
| CICobb Industrial INC | Oak Brook | IL | — | ◇ UNVERIFIED |
| CICobb Industrial, INC. | Marietta | GA | — | ◇ UNVERIFIED |
| CICobb Industrial, INC. | Harahan | LA | — | ◇ UNVERIFIED |
| CCCobblestone Centre Lc | Oasis | UT | — | ◇ UNVERIFIED |
| CSCochrane Steel Industries, INC. | Monroe | NC | — | ◇ UNVERIFIED |
| CCCofab Corporation | Vallejo | CA | — | ◇ UNVERIFIED |
| CCCoi CO | Chicago | IL | — | ◇ UNVERIFIED |
| CMCollier Metals, LLC. | Atlanta | GA | — | ◇ UNVERIFIED |
| CMCollier Metal Works LLC | Blackfoot | ID | — | ◇ UNVERIFIED |
| CWColonial Wagon & Wheel | Lancaster | OH | — | ◇ UNVERIFIED |
| CTColumbia Tackle INC | Portland | OR | — | ◇ UNVERIFIED |
| CDColumbus Design & Manufacturing, LLC | Columbus | OH | — | ◇ UNVERIFIED |
| CCom | San Fernando | CA | — | ◇ UNVERIFIED |
| CCComet Company | Addison | IL | — | ◇ UNVERIFIED |
| CFCommercial Fabricating and Engineering, Inc. | Wixom | MI | — | ◇ UNVERIFIED |
| CFCommercial Fabricating & Engineering INC | Highland | MI | — | ◇ UNVERIFIED |
| CMCommercial Metal Company | Fredericksburg | VA | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | Houston | TX | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | Brigham City | UT | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | College Station | TX | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | Harlingen | TX | — | ◇ UNVERIFIED |
| CWCommercial Warehouse | Shelbyville | TN | — | ◇ UNVERIFIED |
| CCComplete Construction, INC. | Farmingdale | NY | — | ◇ UNVERIFIED |
| CFComplete Fabrications INC | San Francisco | CA | — | ◇ UNVERIFIED |
| CMComplete Metal Fabrication, LLC | Jupiter | FL | — | ◇ UNVERIFIED |
| CFComplex Fabricators, Inc. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| CPComposite Plastic Systems | Santa Maria | CA | — | ◇ UNVERIFIED |
| CSCompo Steel Products, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| CMComres Mfg. | Tampa | FL | — | ◇ UNVERIFIED |
| CMConant Metal & Light, INC. | Burlington | VT | — | ◇ UNVERIFIED |
| CWConatser Welding and Machine, LLC | King City | CA | — | ◇ UNVERIFIED |
| CIConcord Iron Works INC | Pittsburg | CA | — | ◇ UNVERIFIED |
| CIConcord Iron Works INC | Pittsburg | CA | — | ◇ UNVERIFIED |
| CWCon-fab Welding INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| CMConnecticut Metalworks, LLC | Newington | CT | — | ◇ UNVERIFIED |
| CAConover Area Fabricators Inc | Coatsburg | IL | — | ◇ UNVERIFIED |
| CSConshohocken Steel Products, INC. | Ambler | PA | — | ◇ UNVERIFIED |
| CFConsol Fabricators CORP | Sun Valley | CA | — | ◇ UNVERIFIED |
| CFConsolidated Fabrication and Construction, INC. | Wilmington | DE | — | ◇ UNVERIFIED |
| CFConsolidated Fabricators | Auburn | MA | — | ◇ UNVERIFIED |
| CFConsolidated Fabricators CORP | Galt | CA | — | ◇ UNVERIFIED |
| CMConsolidated Metal Builders | Clovis | NM | — | ◇ UNVERIFIED |
| CSConsolidated Southern Industries | Aiken | SC | — | ◇ UNVERIFIED |
| CSConsolidated Southern Industries | Anderson | SC | — | ◇ UNVERIFIED |
| CSConsolidated Southern Industries INC | Anderson | SC | — | ◇ UNVERIFIED |
| CSConsolidated Steel Services, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| CHConstr Hot Line & Mgmt Partners INC Dba Champ Stee | Santa Ana | CA | — | ◇ UNVERIFIED |
| CMConstruction Materials INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| CMConstruction Materials, INC. | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| CPConstruction Products Dist LLC | Des Moines | IA | — | ◇ UNVERIFIED |
| CSConstruction Specialties INC | Hughesville | PA | — | ◇ UNVERIFIED |
| CSConstruction Systems INC | Maple Plain | MN | — | ◇ UNVERIFIED |
| CEContainer Exchange Internation | Gardena | CA | — | ◇ UNVERIFIED |
| CEContech Engineered Solution LLC | Orchard Park | NY | — | ◇ UNVERIFIED |
