| CLCemrock Landscapes, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| CMCencal Machine CO INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| CRCentech Rebar LLC | San Bernardino | CA | — | ◇ UNVERIFIED |
| CCCentermoreland Concrete Products | Tunkhannock | PA | — | ◇ UNVERIFIED |
| CCCentinela Concrete Vault CO Dba Enderle Vault CO | Inglewood | CA | — | ◇ UNVERIFIED |
| CCCentral Carolina Sprinkler INC. | Lincolnton | NC | — | ◇ UNVERIFIED |
| CCCentral Concrete Supply CO INC | Martinez | CA | — | ◇ UNVERIFIED |
| CCCentral Concrete Supply CO INC | Montara | CA | — | ◇ UNVERIFIED |
| CCCentral Custom Brass LLC | Estherville | IA | — | ◇ UNVERIFIED |
| CICentral Illinios Steel Company | Guntersville | AL | — | ◇ UNVERIFIED |
 Central Metal Fabricators, INC. | Miami | FL | — | ◇ UNVERIFIED |
| CMCentral Minnesota Fabricating INC | Willmar | MN | — | ◇ UNVERIFIED |
| CMCentral Missouri Vaults, INC | New Bloomfield | MO | — | ◇ UNVERIFIED |
| CPCentral Pre Mix Prestress CO | Spokane | WA | — | ◇ UNVERIFIED |
| CSCentral Steel & Ornamental Supply CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| CTCentral Texas Express Metalwork, LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| CVCentral Valley Concrete, INC. | Denair | CA | — | ◇ UNVERIFIED |
| CVCentral Valley Fabricators | Stockton | CA | — | ◇ UNVERIFIED |
| CWCentral Welding & Machine LLC | Hutchinson | KS | — | ◇ UNVERIFIED |
| CWCentral Wire & Iron Works INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| CICenturion Industries INC | Garrett | IN | — | ◇ UNVERIFIED |
| CPCenturion Products LLC | Nashville | TN | — | ◇ UNVERIFIED |
| CGCentury Group, INC. | Princeton | NC | — | ◇ UNVERIFIED |
| CGCentury Group, INC. | Greenville | AL | — | ◇ UNVERIFIED |
| CMCentury Metals & Supplies, INC. | Miami Gardens | FL | — | ◇ UNVERIFIED |
| CPCentury Precast Products, LLC | Ocala | FL | — | ◇ UNVERIFIED |
| CSCentury Steel Products, INC. | Sterling | VA | — | ◇ UNVERIFIED |
| CSCentury Steps INC. | Muskogee | OK | — | ◇ UNVERIFIED |
| CVCentury Vault Company, Incorporated | Oxford | MA | — | ◇ UNVERIFIED |
| CICeo, INC. | Sapulpa | OK | — | ◇ UNVERIFIED |
| CCCerta Craft, Inc. | Indianapolis | IN | — | ◇ UNVERIFIED |
| CICerti-fab Industries, INC. | Crosby | TX | — | ◇ UNVERIFIED |
| CICgk INC Dba Paradise Steel | South El Monte | CA | — | ◇ UNVERIFIED |
| CICgk INC Dba Premier Steel Fabrication | South El Monte | CA | — | ◇ UNVERIFIED |
| CGC & G Machine | Granby | MA | — | ◇ UNVERIFIED |
| CRChad Riesenberg | Earling | IA | — | ◇ UNVERIFIED |
| CICha Industriesc | Fremont | CA | — | ◇ UNVERIFIED |
| CMChallenge Metal Works, INC. | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
| CLChallenger Lifts INC | Louisville | KY | — | ◇ UNVERIFIED |
| CEChamfer Engineering INC | Brooklyn Park | MN | — | ◇ UNVERIFIED |
| CIChampion Ironworks Incorporated | Berryville | VA | — | ◇ UNVERIFIED |
| CFChannelview Facility | Houston | TX | — | ◇ UNVERIFIED |
| CLCharley's LP Truck CORP. | Orlando | FL | — | ◇ UNVERIFIED |
| CCCharlotte's Concrete, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| CIChart Industries, LLC | Troy | NY | — | ◇ UNVERIFIED |
| CWChenoa Welding & Fabrication, INC. | Chenoa | IL | — | ◇ UNVERIFIED |
| CHCherry Hill Fabrication | Curtis Bay | MD | — | ◇ UNVERIFIED |
| CECherrytree Enterprises INC | Kansas City | KS | — | ◇ UNVERIFIED |
| CEChickasaw Energy Solutions | Marietta | OK | — | ◇ UNVERIFIED |
 Chief Industries LLC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| CIChloronova Inc. | Carlsbad | CA | — | ◇ UNVERIFIED |
| CCChristy Concrete Prods INC | Marysville | CA | — | ◇ UNVERIFIED |
| CCChristy Concrete Products/div | Fremont | CA | — | ◇ UNVERIFIED |
| CBChuck's Burial Vaults, INC. | Bartow | FL | — | ◇ UNVERIFIED |
| CIChutehelp, INC. | Granbury | TX | — | ◇ UNVERIFIED |
| CCCii Cobb Industrial, INC. | Arlington | TX | — | ◇ UNVERIFIED |
| CCinao | Hamilton | OH | — | ◇ UNVERIFIED |
| CDCincinnati Drum Service (1431391663) | Reading | OH | — | ◇ UNVERIFIED |
| CICinco Iron Works INC | Ontario | CA | — | ◇ UNVERIFIED |
| CCCircle C Equipment LLC | Hermiston | OR | — | ◇ UNVERIFIED |
| CHCircle H Welding & Fabrication, INC. | Seale | AL | — | ◇ UNVERIFIED |
| CCCives Corporation - Augusta | Augusta | ME | — | ◇ UNVERIFIED |
| CECivic Enterprises INC | West Monroe | LA | — | ◇ UNVERIFIED |
| CWC&j Welding and Fabricating, INC | Smyrna | GA | — | ◇ UNVERIFIED |
| CKC K Johnson Industries | Arcata | CA | — | ◇ UNVERIFIED |
| CSCladding Systems, INC | Tampa | FL | — | ◇ UNVERIFIED |
| CPClark Pacific | Fontana | CA | — | ◇ UNVERIFIED |
| CPClark Pacific | Woodland | CA | — | ◇ UNVERIFIED |
| CPClark Pacific Adelanto Precast Plant | Adelanto | CA | — | ◇ UNVERIFIED |
| 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 |
| CGClassic Garden Ornaments, LTD. | Pomona | IL | — | ◇ UNVERIFIED |
| CGClassic Granite & Marble, INC. | Jessup | MD | — | ◇ UNVERIFIED |
| CSClassic Surrounds LLC | Cordele | GA | — | ◇ UNVERIFIED |
| CFClayton Fabrication and Metal Works INC. | Sikeston | MO | — | ◇ UNVERIFIED |
| CCClearwater Concrete, INC. | Kooskia | ID | — | ◇ UNVERIFIED |
| CPCleburne Plant | Cleburne | TX | — | ◇ UNVERIFIED |
| CSClermont Steel Fabricating, LLC | Batavia | OH | — | ◇ UNVERIFIED |
| CSCleveland Steel Container | Oakland | CA | — | ◇ UNVERIFIED |
| CYCleveland Yutaka Corporation | Shelby | NC | — | ◇ UNVERIFIED |
| CBClick Burial Vault | New Philadelphia | OH | — | ◇ UNVERIFIED |
| CKCliff Koppe Metals | Kelso | WA | — | ◇ UNVERIFIED |
| CLC. Lindstrom, LLC. | Durand | WI | — | ◇ UNVERIFIED |
| CMC&L Metal Sales LLC | Portland | OR | — | ◇ UNVERIFIED |
| CIC-los Industries, LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| CGClovis Gunite & Materials INC | Clovis | CA | — | ◇ UNVERIFIED |
| CFCls Fabrication INC | Bend | OR | — | ◇ 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 | Fredericksburg | VA | — | ◇ UNVERIFIED |
| CRCmc Rebar | Navasota | TX | — | ◇ 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 |
