| CMCline Machine, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| CAClint and Brenda Grassel, LLC | Liberty Lake | WA | — | ◇ UNVERIFIED |
| CIClinton Industries INC | Elizabethtown | KY | — | ◇ UNVERIFIED |
| CLC L Machine, LLC | Joplin | MO | — | ◇ UNVERIFIED |
| CMC&L Metal Sales LLC | Portland | OR | — | ◇ UNVERIFIED |
| CSClock Spring / Nri | Centennial | CO | — | ◇ UNVERIFIED |
| CMCloud Machine Tool & Fabrication INC | Humboldt | TN | — | ◇ UNVERIFIED |
| CMClouse Machine Shop | Saint Joseph | KY | — | ◇ UNVERIFIED |
| CFCls Fabrication INC | Bend | OR | — | ◇ UNVERIFIED |
| CACMA Acquisitions, Inc. | Saint Joseph | MO | — | ◇ UNVERIFIED |
| CICm&b, INC. | Oakland | CA | — | ◇ UNVERIFIED |
| CACmc Anchoring Systems | Salisbury | NC | — | ◇ UNVERIFIED |
| CCCMC Commercial Real Estate, LLC | Clinton Township | MI | — | ◇ 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-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 |
| CMCmf (custom Metal Fabricators) | Orange | CA | — | ◇ UNVERIFIED |
| CRCm Routing LLC | Racine | WI | — | ◇ UNVERIFIED |
| CSC.m. Steel, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| CMCmt Machining and Fabricating, LLC | Urbana | OH | — | ◇ UNVERIFIED |
| CICnc Industries INC. | Fairmont | WV | — | ◇ UNVERIFIED |
| CICNC Innovations Inc | Somersworth | NH | — | ◇ UNVERIFIED |
| CICnc Innovations INC | Saint Paul | MN | — | ◇ UNVERIFIED |
 Cnc Machine and Fabrication, INC. | North Logan | UT | — | ◇ UNVERIFIED |
| COCNC Offroad LLC | Kenosha | WI | — | ◇ UNVERIFIED |
| CPCnc Precision Manufacturing INC | Sherwood | OR | — | ◇ UNVERIFIED |
| CSCnc Swiss INC. | Addison | IL | — | ◇ UNVERIFIED |
| CTCoach Tool & Die, INC. | Dayton | OH | — | ◇ UNVERIFIED |
 Coalfield Services - Old Shop | Wytheville | VA | — | ◇ UNVERIFIED |
| CICoal Iron LLC | Anderson | IN | — | ◇ UNVERIFIED |
| CICoal Iron LLC | Anderson | IN | — | ◇ UNVERIFIED |
| CCCoastal Casting Service INC. | Houston | TX | — | ◇ UNVERIFIED |
| CSCoastal Sunbelt Associates, Incorporated | Savannah | GA | — | ◇ UNVERIFIED |
| CSCoast Sheet Metal INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| CSCoast Sheet Metal, INC. | Huntington Beach | CA | — | ◇ UNVERIFIED |
| CTCoast to Coast Metal Finishing CORP | Alhambra | CA | — | ◇ UNVERIFIED |
| CTCobak Tool & Manufacturing CO | Saint Louis | MO | — | ◇ UNVERIFIED |
| CDCobalt Development, Inc. | Arlington | WA | — | ◇ UNVERIFIED |
 Cobalt Enterprises, L.L.C. | Granite Falls | WA | — | ◇ UNVERIFIED |
| CICobb Industrial INC | Oak Brook | IL | — | ◇ UNVERIFIED |
| CICobb Industrial, INC. | Harahan | LA | — | ◇ UNVERIFIED |
| CICobb Industrial, INC. | Marietta | GA | — | ◇ UNVERIFIED |
| CICobraa, INC. | Aviston | IL | — | ◇ UNVERIFIED |
| CSCochrane Steel Industries, INC. | Monroe | NC | — | ◇ UNVERIFIED |
| CWCode Welding & Mfg INC | Blaine | MN | — | ◇ UNVERIFIED |
| CCody | San Antonio | TX | — | ◇ UNVERIFIED |
| CCCofab Corporation | Vallejo | CA | — | ◇ UNVERIFIED |
| CCCoffman Custom Machine LLC | Grain Valley | MO | — | ◇ UNVERIFIED |
| CPCoflexip Products Division | Houston | TX | — | ◇ UNVERIFIED |
| CTCohone Technologies Sales & Service, LLC | Gilbert | AZ | — | ◇ UNVERIFIED |
| CCCoi CO | Chicago | IL | — | ◇ UNVERIFIED |
| CSCoil Steel Processing LLC | Toledo | OH | — | ◇ UNVERIFIED |
| CCCole CNC LLC | Fort Morgan | CO | — | ◇ UNVERIFIED |
| CMColeman Machine | Menominee | MI | — | ◇ UNVERIFIED |
| CMColeman Machine INC | Menominee | MI | — | ◇ UNVERIFIED |
| CTColeman Tool & Mfg CORP | Union Grove | WI | — | ◇ UNVERIFIED |
| CMCollier Machine and Fabrication, INC. | Prattville | AL | — | ◇ UNVERIFIED |
| CMCollier Metals, LLC. | Atlanta | GA | — | ◇ UNVERIFIED |
| CCCollimated Cuts LLC | Brillion | WI | — | ◇ UNVERIFIED |
| CCCollins CORP. | Longview | TX | — | ◇ UNVERIFIED |
| CMColored Metal Products, INC. | Shelby | NC | — | ◇ UNVERIFIED |
| CBColumbia Basin Machine Company | Moses Lake | WA | — | ◇ UNVERIFIED |
| CCColumbia Chutes, LLC | Wheeling | IL | — | ◇ UNVERIFIED |
| CPColumbia Place Associates, LLC | Syracuse | NY | — | ◇ UNVERIFIED |
| CPColumbia Precision Machine CORP | Burnsville | MN | — | ◇ UNVERIFIED |
| CTColumbia Tackle INC | Portland | OR | — | ◇ UNVERIFIED |
| CTColumbia Tool and Gage Company | Wheeling | IL | — | ◇ UNVERIFIED |
| CMColumbus Machine Works | Columbus | OH | — | ◇ UNVERIFIED |
| CCom | San Fernando | CA | — | ◇ UNVERIFIED |
| CCComet Company | Addison | IL | — | ◇ UNVERIFIED |
| CMComex Metal Components LLC | Mundelein | IL | — | ◇ UNVERIFIED |
| CMCommander Machining Company, LLC | Springfield | IL | — | ◇ UNVERIFIED |
| CSCommerce SG LTD. | Sidney | OH | — | ◇ UNVERIFIED |
| CACommercial and Industrial Piping | Quinby | SC | — | ◇ UNVERIFIED |
| CCCommercial Cooling-par Engineering INC | City of Industry | CA | — | ◇ UNVERIFIED |
| CFCommercial Fabricating and Engineering, Inc. | Wixom | MI | — | ◇ UNVERIFIED |
| CFCommercial Fabricating & Engineering INC | Highland | MI | — | ◇ UNVERIFIED |
| CMCommercial Machine Service INC | Cleveland | OH | — | ◇ UNVERIFIED |
| CMCommercial Metal Company | Fredericksburg | VA | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | Brigham City | UT | — | ◇ UNVERIFIED |
| CMCommercial Metals Company | Houston | TX | — | ◇ UNVERIFIED |
