| CEChemring Energetic Devices | Clear Lake | SD | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| CIChemson INC | Philadelphia | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CUChemspec USA LLC | Orrville | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CPChemstar Products Company | Brookhaven | MS | Food Manufacturing311221 | — | ◇ UNVERIFIED |
| CPChemstar Products Company | Carlton | MN | Food Manufacturing311221 | — | ◇ UNVERIFIED |
| CCChemstation Chicago | Elmhurst | IL | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CCChemstation Connecticut | South Windsor | CT | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| COChemstation of Alabama | Bessemer | AL | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| COChemstation of Indiana | Carmel | IN | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| COChemstation of the Ozarks | Springdale | AR | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CCChemtan Company, INC. | Exeter | NH | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| CIChemtrusion Indiana Incorporated | Jeffersonville | IN | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| CCChemtura CORP | Perth Amboy | NJ | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| CFCherokee Finishing CO Spartan Mills | Gaffney | SC | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| COChesapeake Optical Lab | Baltimore | MD | Miscellaneous Manufacturing339115 | — | ◇ UNVERIFIED |
| CPChevron Phillips Chemical CO Performance Pipe Div | Reno | NV | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| CGChevrontexaco Global Lubricants | Charleston | SC | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CCChicago Circuits CORP | Elk Grove Village | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CFChicago Faucets-milwaukee Plant | Milwaukee | WI | Primary Metal Manufacturing331520 | — | ◇ UNVERIFIED |
| CRChicago Rivet & Mach/tyrone Plt | Tyrone | PA | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| CTChicago Turnrite CO | Chicago | IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| CCChicopee Concrete Services INC | Chicopee | MA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
 Chief Industries INC | Rensselaer | IN | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| CMChillicothe Metal CO INC | Chillicothe | IL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CIChobani Idaho | Twin Falls | ID | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| CCChore-time Cage Systems INC | Hartselle | AL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CCChromalloy Connecticut | Wallingford | CT | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCChrome Craft | Sacramento | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CDChrome Deposit CORP | Akron | OH | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CGChrysler Group LLC Sterling Stamping Plant (part) | Sterling Hts | MI | Transportation Equipment Manufacturing336370 | — | ◇ UNVERIFIED |
| CKChrysler Kokomo Casting Plant | Kokomo | IN | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| CIChs INC Kenton Lube Plant | Kenton | OH | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CLChs Lubricants Plant | Inver Grove Heights | MN | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CLChs Lubricants Plant | Amarillo | TX | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CDChurch & Dwight CO INC | Colonial Heights | VA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CNCie Newcor | Corunna | MI | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| CCCin Chem Pro, LLC | Batavia | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CTCincinati Thermal Spray | Cincinnati | OH | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| CCCindus CORP | Cincinnati | OH | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| CICircom INC | Bensenville | IL | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
 Circuit Services LLC Dba Career Technologies Chatsworth Facility | Chatsworth | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CSCircuit Systems, INC. | Elk Grove Village | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CPCitation Precision | Rancho Cucamonga | CA | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| CSCives Steel Idaho | Idaho Falls | ID | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CICjb Industries INC Cw Plant | Valdosta | GA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| CAClarcor Air Filtration Products, INC. | Jeffersonville | IN | Machinery Manufacturing333411 | — | ◇ UNVERIFIED |
| CBClariant Bu Masterbatches | New Hope | MN | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| CCClariant CORP - Masterbatches Div | Albion | MI | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| CCClariant Corporation | West Chicago | IL | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| CLClarios LLC | Saint Joseph | MO | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◇ UNVERIFIED |
