| CMCemex Modesto Plant | Modesto | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCemex San Carlos | San Carlos | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCentennial State Paving INC | Pueblo | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix | Audubon (historical) | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCentral Ready Mix, LLC | Denver Area | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CACharter Automotive | Milwaukee | WI | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| CMChick Master Incubator CO | Medina | OH | Machinery Manufacturing333111 | 20-99 | ◇ UNVERIFIED |
| CMChilton Mfg. | Chilton | WI | Transportation Equipment Manufacturing336214 | 1-19 | ◇ UNVERIFIED |
| CICircuit Images, INC | Boulder | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
 Circuit Services LLC Dba Career Technologies Chatsworth Facility | Chatsworth | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CDClassic Die INC | Grand Rapids | MI | Machinery Manufacturing333511 | 1-19 | ◇ UNVERIFIED |
| CPClassic Plating INC | Redford | MI | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| CSCleanpart South | Richardson | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CCCoastal Chemical Distribution Center | Abbeville | LA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CSCoating Systems INC | Hortonville | WI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◇ UNVERIFIED |
| CNCoats North America | Hendersonville | NC | Textile Mills313110 | — | ◇ UNVERIFIED |
| CCColeman Cable INC | Waukegan | IL | Primary Metal Manufacturing331422 | — | ◇ UNVERIFIED |
| CCColonial Concrete CO | Newark | NJ | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCColonial Concrete CO | North Bergen | NJ | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CLColorado Label & Printing, INC. | Denver | CO | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| CEColors & Effects USA LLC - Pearl Operations | Buchanan | NY | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| CCColumbine Container CORP | Aurora | CO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| CSCompanion Systems Incorporated | North Salt Lake City | UT | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| CPConcept Plastics, INC. | High Point | NC | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC Spartanburg | Spartanburg | SC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCooper Standard Automotive INC | Gaylord | MI | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| CACooper-standard Automotive, Inc, | Spartanburg | SC | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CCCoral Chemical CO | Waukegan | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CFCorson Fabricating LLC | Saint Clair | MI | Fabricated Metal Product Manufacturing332618 | 1-19 | ◇ UNVERIFIED |
| CACovalence Adhesives | Middlesex | NJ | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CCCrosman CORP | Bloomfield | NY | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
| CGCrossfire Graphics, INC. | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CCCrowell Corporation | Newport | DE | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| CSCrystal Specialties INC | Colorado Springs | CO | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| CHCulter Hammer-pcso Division | Greenwood | SC | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◇ UNVERIFIED |
| CLCustom Laminations | Paterson | NJ | Textile Mills313320 | 1-19 | ◇ UNVERIFIED |
| CWC. W. Price Ent. INC. | Van Buren | MO | Wood Product Manufacturing321113 | 1-19 | ◇ UNVERIFIED |
| CLCylicron LLC | Jeffersonville | IN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DIDarling International INC. | Berlin | WI | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| DDD & D Wood Preserving, INC. | Albany | GA | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| DCDeco Chemical Incorporated | Mishawaka | IN | Chemical Manufacturing325910 | 20-99 | ◇ UNVERIFIED |
| DCDegeest Corporation | Tea | SD | Fabricated Metal Product Manufacturing332312 | 20-99 | ◇ UNVERIFIED |
| DLDe Laval Manufacturing | Turlock | CA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| DADexter Axle Company - Plant 12 | Fremont | IN | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| DMDickson Marble, LLC | Lyles | TN | Plastics and Rubber Products Manufacturing326130 | 1-19 | ◇ UNVERIFIED |
| DLDiebold Lumber CO. | Troutdale | OR | Wood Product Manufacturing321911 | 20-99 | ◇ UNVERIFIED |
| DIDiehl Incorporated | Adrian | MI | Food Manufacturing311514 | — | ◇ UNVERIFIED |
| DTDirt T Shirts INC | Kingston | NY | Printing and Related Support Activities323113 | 20-99 | ◇ UNVERIFIED |
| DCDouglas CORP - Plating Division | Saint Louis Park | MN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DCDraka Cableteq USA | Dighton | MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
