| CIConex Industrial Supply | Fort Worth | TX | — | ◇ UNVERIFIED |
| CFConfluence Fmc Inc- Harden Industries | Los Angeles | CA | — | ◇ UNVERIFIED |
| CPConley-John Properties LLC | Shelby Township | MI | — | ◇ UNVERIFIED |
| CIConnaughty Industries INC | Rushford | MN | — | ◇ UNVERIFIED |
| CSConnecticut Stamping & Bending | New Britain | CT | — | ◇ UNVERIFIED |
| CTConnecticut Tool Co., INC. | Putnam | CT | — | ◇ UNVERIFIED |
| CGConner Gibbens | Deepwater | MO | — | ◇ UNVERIFIED |
| CIConquest Industries INC. | Stow | OH | — | ◇ UNVERIFIED |
| CFConsolidated Fabricators CORP | Paramount | CA | — | ◇ UNVERIFIED |
 Consolidated Machine LLC | Neenah | WI | — | ◇ UNVERIFIED |
| CMConsolidated Metco, INC. | Vancouver | WA | — | ◇ UNVERIFIED |
| CPConsolidated Precision Products | Bell Gardens | CA | — | ◇ UNVERIFIED |
| CSConstruction Specialties | Del Rio | TX | — | ◇ UNVERIFIED |
| CMCon-tech Manufacturing INC | Dodge Center | MN | — | ◇ UNVERIFIED |
| CCContemporary Carbide Technologies, INC. | Deland | FL | — | ◇ UNVERIFIED |
| CAContinental Awards & Trophies, INC. | Bartlett | TN | — | ◇ UNVERIFIED |
| CMContinental Machine Works, INC | Oakland | CA | — | ◇ UNVERIFIED |
| CPContinental Precision Machine | Santa Clara | CA | — | ◇ UNVERIFIED |
| CMContour Mold INC | Elk River | MN | — | ◇ UNVERIFIED |
| CMContract Machining & Manufacturing INC | Joplin | MO | — | ◇ UNVERIFIED |
| CMContract Marketing | West Haven | UT | — | ◇ UNVERIFIED |
| CCContractors Cargo CO | Compton | CA | — | ◇ UNVERIFIED |
| CPControl Point INC. | Charleston | WV | — | ◇ UNVERIFIED |
| CIConverse Inds | Kenosha | WI | — | ◇ UNVERIFIED |
| CICookeville Industries, INC. | Cookeville | TN | — | ◇ UNVERIFIED |
| CICooksey Iron & Metal Company | Albany | GA | — | ◇ UNVERIFIED |
| CLCoolfab, LLC | Kenner | LA | — | ◇ UNVERIFIED |
| CTCooper Tool & Machine Supply Company, INC. | Oxford | AL | — | ◇ UNVERIFIED |
| CMCopeland Machine Shop, INC. | Demopolis | AL | — | ◇ UNVERIFIED |
| CMCopeland Manufacturing Corporation | Tulsa | OK | — | ◇ UNVERIFIED |
| CSCopeland Supply Company, LLC | Fruita | CO | — | ◇ UNVERIFIED |
| CBCopper By Tom, L.l.c. | Mandeville | LA | — | ◇ UNVERIFIED |
| CICopper Industrial LLC | Stockbridge | MI | — | ◇ UNVERIFIED |
| CMCorbitt Manufacturing Company | Paragould | AR | — | ◇ UNVERIFIED |
| CICornell Iron Works/mountaintop | Mountain Top | PA | — | ◇ UNVERIFIED |
| CFCornerstone Fabrication LLC | Debary | FL | — | ◇ UNVERIFIED |
| CMCornerstone Manufacturing Group LLC | Mentor | OH | — | ◇ UNVERIFIED |
| CMCornerstone Molds & Machining, INC. | Santa Paula | CA | — | ◇ UNVERIFIED |
| CRCornerstone Realty Holdings LLC | Concord Township | OH | — | ◇ UNVERIFIED |
| CCorning | Murray | UT | — | ◇ UNVERIFIED |
| CMCorning Manufacturing Support | Erwin | NY | — | ◇ UNVERIFIED |
| CMCorporate Machine & Equipment, LLC | Lafayette | LA | — | ◇ UNVERIFIED |
| CSCor-pro Systems | Houston | TX | — | ◇ UNVERIFIED |
| CCorro-tech | Union | MO | — | ◇ UNVERIFIED |
| CFCorry Forge Company - West | Corry | PA | — | ◇ UNVERIFIED |
| CCCosmodyne CORP | Torrance | CA | — | ◇ UNVERIFIED |
| CRCosmos Rings | Lincoln | CA | — | ◇ UNVERIFIED |
| CFCosta Fabrication LLC | Rathdrum | ID | — | ◇ UNVERIFIED |
| CMCostello Machine LLC | Chesterfield | MI | — | ◇ UNVERIFIED |
| CCCotterman Company | Bakersfield | CA | — | ◇ UNVERIFIED |
