| CPCreative Plastic's Corporation | Palmyra | WI | — | ◇ UNVERIFIED |
| CSCri-sil Silicone Technologies, LLC | Biddeford | ME | — | ◇ UNVERIFIED |
| CTCrown Technology Ii L L C | Woodbury | GA | — | ◇ UNVERIFIED |
| CSCryovac Sealed Air | Saint Joseph | MO | — | ◇ UNVERIFIED |
| CSC S Polymer | Newport News | VA | — | ◇ UNVERIFIED |
| CPCT Polymers, LLC | Bourbon | IN | — | ◇ UNVERIFIED |
| CCCustom Compounding Services LLC | Rockford | IL | — | ◇ UNVERIFIED |
| CCCustom Creations LLC | Voorhees | NJ | — | ◇ UNVERIFIED |
| CDCustom Decorative Mouldings | Greenwood | DE | — | ◇ UNVERIFIED |
 Custom Design Countertops | Geyserville | CA | — | ◇ UNVERIFIED |
| CFCustom Fab Solutions | Chanhassen | MN | — | ◇ UNVERIFIED |
| CFCustom Fiberglass Works, INC. | Red Bluff | CA | — | ◇ UNVERIFIED |
| CFCustom Foam Molders Inc-custom Foam Molders INC | Foristell | MO | — | ◇ UNVERIFIED |
| CMCustom Marble & Onyx | Modesto | CA | — | ◇ UNVERIFIED |
| CMCustom Milling & Consulting | Fleetwood | PA | — | ◇ UNVERIFIED |
| CPCustom Polymer Lucas Ferry | Athens | AL | — | ◇ UNVERIFIED |
| CPCustom Polymers Pet, LLC | Athens | AL | — | ◇ UNVERIFIED |
 Custom Products, INC. | Mooresville | NC | — | ◇ UNVERIFIED |
| CQCustom Quality Marble | Austin | TX | — | ◇ UNVERIFIED |
| CRCustom Resins INC | Henderson | KY | — | ◇ UNVERIFIED |
| CMCuyahoga Molded Plastics CORP Mentor | Mentor | OH | — | ◇ UNVERIFIED |
| CPCypress Polypropylene Plant Union Carbide CORP. | Norco | LA | — | ◇ UNVERIFIED |
| CPCytech Products INC | Glendale | KY | — | ◇ UNVERIFIED |
| CICytec Industries | Springfield | MA | — | ◇ UNVERIFIED |
| CICytec Industries INC | Woodbridge | NJ | — | ◇ UNVERIFIED |
| CICytec Industries INC. | New Castle | DE | — | ◇ UNVERIFIED |
| CCytiva-muskegon | Muskegon | MI | — | ◇ UNVERIFIED |
| CICytosorbents INC | Monmouth Junction | NJ | — | ◇ UNVERIFIED |
| DPDaicel Polymer Compounds INC | Wharton | NJ | — | ◇ UNVERIFIED |
| DADak Americas Mississippi INC | Bay Saint Louis | MS | — | ◇ UNVERIFIED |
| DCDana Container, INC. | Wilmington | DE | — | ◇ UNVERIFIED |
| DCDana Corporation, Plumley Division | Crenshaw | MS | — | ◇ UNVERIFIED |
| DCDana Coupled Products INC | Pensacola | FL | — | ◇ UNVERIFIED |
| DSDanimer Scientific LLC | Bainbridge | GA | — | ◇ UNVERIFIED |
| DCDanvers Chemical Ind | Danvers | MA | — | ◇ UNVERIFIED |
| DADanzas Aei Intercontinental Warehouse | Laredo | TX | — | ◇ UNVERIFIED |
| DCDart Container Corporation of Kentucky | Saint Joseph | KY | — | ◇ UNVERIFIED |
| DCDart Container Corporation of Kentucky Dba Dart Po | Owensboro | KY | — | ◇ UNVERIFIED |
 David Francis and Peggy Burson Individually and D/b/a Marble Solutions | Chattanooga | TN | — | ◇ UNVERIFIED |
| DCDayco CORP Williston Plant | Williston | SC | — | ◇ UNVERIFIED |
| DPDayco Prod LLC | Hillsdale | MI | — | ◇ UNVERIFIED |
| DPDayco Products INC | Ocala | FL | — | ◇ UNVERIFIED |
| DPDayco Products LLC | Mount Pleasant | MI | — | ◇ UNVERIFIED |
| DPDayco Products LLC Walterboro Plant | Walterboro | SC | — | ◇ UNVERIFIED |
| DDayton | Dayton | NV | — | ◇ UNVERIFIED |
| DPDayton Plant | Dayton | NV | — | ◇ UNVERIFIED |
| DKDba Kennerley-spratling INC | San Leandro | CA | — | ◇ UNVERIFIED |
| DPD&d Plastics INC | Gardena | CA | — | ◇ UNVERIFIED |
| DSDdp Specialty Electronic Materials US 9, LLC | Greensboro | NC | — | ◇ UNVERIFIED |
| DSDdp Specialty Electronic Materials US LLC | Dalton | GA | — | ◇ UNVERIFIED |
