| CCCentral Concrete CO | Columbia | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix | Audubon (historical) | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix INC | Grimes | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCentral Pre Mix Concrete Products | Kent | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CPCentral Pre Mix Sullivan | Spokane | WA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CSCentral Supply Company of West Virginia | Bridgeport | WV | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CTCentral Texas Iron Works | Waco | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CTCentral Texas Iron Works Schertz | Schertz | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CWCentral Wire Dumas | Dumas | AR | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| CCCentury Concrete INC Edwardsville Facility | Edwardsville | KS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCentury Concrete INC Olathe Facility | Olathe | KS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICentury Industrial Coatings INC | Jacksonville | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CMCentury Mfg INC | Wichita | KS | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CFCerro Flow Products LLC | Sauget | IL | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| CCertainteed | Portland | OR | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| CGCertainteed Gypsum | Proctor | WV | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| CUCertis USA | Wasco | CA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| CACessna Aircraft Company - Mid-continent | Wichita | KS | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| CGCf Gomma USA INC | Columbia City | IN | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| CBChampion Brands LLC | Clinton | MO | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CHChampion Home Builders CO | Athens | TX | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| CHChampion Homes Builders INC Altantic Homes Div | Claysburg | PA | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| CPChampion Petfoods USA INC | Auburn | KY | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| CTChampion Target CO | Richmond | IN | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| CTChampion Technologies INC | Odessa | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| CIChannellock Inc/plt 2 Cussewago | Meadville | PA | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| CTChannelview Texas Plant | Channelview | TX | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CICharloma INC | Cherryvale | KS | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| CPCharlotte Pipe and Foundry Company | Charlotte | NC | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| CACharter Automotive | Milwaukee | WI | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| CMCharter Manufacturing CO INC | Woodstock | IL | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| CSCharter Steel INC | Rising Sun | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| CIChart INC | New Prague | MN | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| CIChart, INC. (distribution and Storage) | Ball Ground | GA | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| CCChase Corporation/blawnox | Blawnox | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CCChase CORP Zeta | Pittsburgh | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CDChase Durus Industries * | Cincinnati | OH | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| CMCheckmate Marine Power INC. (0317010112) | Bucyrus | OH | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| CLChemaid Laboratories INC | Saddle Brook | NJ | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| CIChemence, INC. | Alpharetta | GA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CLChemetrics, LLC. | Midland | VA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CPChemex Paint & Coatings INC | Tampa | FL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CCChemical Compounding Company | Oakland | CA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CDChemical Distributors INC | Buffalo | NY | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CDChemical Dynamics INC | Plant City | FL | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| CLChem Lab Products, INC. | Ontario | CA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CIChemline Inc-st. Louis | Saint Louis | MO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CCChemol Company, INC. | Greensboro | NC | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CBChemours - Beaumont Works | Beaumont | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| CIChem-plate Industries INC | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
