| COClearwater of Le Firm Part 2, LLC | Lake Charles | LA | — | ◇ UNVERIFIED |
| CUClemson Univ Lab for Nanotechnology | Pendleton | SC | — | ◇ UNVERIFIED |
| CTClose the Loop INC | Hebron | KY | — | ◇ UNVERIFIED |
| CECmi Enterprises | Forest City | NC | — | ◇ UNVERIFIED |
| CPCoastal Plastics INC | Hope Valley | RI | — | ◇ UNVERIFIED |
| CCColorado Chemical Specialties Incorporated | Golden | CO | — | ◇ UNVERIFIED |
| CSColorite Specialty Resins | Burlington Township | NJ | — | ◇ UNVERIFIED |
| CPColumbine Plastic CORP | Boulder | CO | — | ◇ UNVERIFIED |
| CTComet Tool CO INC | Pitman | NJ | — | ◇ UNVERIFIED |
| CCComplementary Coatings CORP | Edgewater | FL | — | ◇ UNVERIFIED |
| CComposecure | Somerset | NJ | — | ◇ UNVERIFIED |
| CPComposite Product Division Freeport | Freeport | TX | — | ◇ UNVERIFIED |
| CFConcept Fiberglass | Grand Island | NE | — | ◇ UNVERIFIED |
| CCCook Composites and Polymers CO. | N. Kansas City | MO | — | ◇ UNVERIFIED |
| CCCook Composites & Polymers CO. | Oxnard | CA | — | ◇ UNVERIFIED |
| CPCookson Performance Plastics | Worcester | MA | — | ◇ UNVERIFIED |
| CCCore Composites Cincinnati, LLC (1413020248) | Batavia | OH | — | ◇ UNVERIFIED |
| CMCorsair Marine INC | Chula Vista | CA | — | ◇ UNVERIFIED |
| CICovermaster, INC. | Elkhart | IN | — | ◇ UNVERIFIED |
| CVCray Valley USA LLC | Houston | TX | — | ◇ UNVERIFIED |
| CSC S Polymer | Newport News | VA | — | ◇ UNVERIFIED |
| CCCustom Composites LLC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CDCustom Decorative Mouldings | Greenwood | DE | — | ◇ UNVERIFIED |
| CFCustom Foam Molders Inc-custom Foam Molders INC | Foristell | MO | — | ◇ UNVERIFIED |
| CPCustom Polymer Lucas Ferry | Athens | AL | — | ◇ UNVERIFIED |
| CPCypress Polypropylene Plant Union Carbide CORP. | Norco | LA | — | ◇ UNVERIFIED |
| CICytec Industries | Springfield | MA | — | ◇ UNVERIFIED |
| CICytec Industries INC | Woodbridge | NJ | — | ◇ UNVERIFIED |
| CICytec Industries INC. | New Castle | DE | — | ◇ UNVERIFIED |
| CICytosorbents INC | Monmouth Junction | NJ | — | ◇ UNVERIFIED |
| CICytosorbents INC Formerly Medasorb | Monmouth Junction | NJ | — | ◇ UNVERIFIED |
| DIDart Interests Former Xg Sciences | Lansing | MI | — | ◇ UNVERIFIED |
| DCDatascope CORP | Mahwah | NJ | — | ◇ UNVERIFIED |
| DDayton | Dayton | NV | — | ◇ UNVERIFIED |
| DLDeflecto LLC | Dover | OH | — | ◇ UNVERIFIED |
| DPDelaware Park Racetrack & Casino | Wilmington | DE | — | ◇ UNVERIFIED |
| DMDel Mar Plastic INC | Oxnard | CA | — | ◇ UNVERIFIED |
| DODeltco of Wisconsin INC | Ashland | WI | — | ◇ UNVERIFIED |
| DADevelopment Associates, INC. | North Kingstown | RI | — | ◇ UNVERIFIED |
| DCDiemolding CORP | Canastota | NY | — | ◇ UNVERIFIED |
| DPDiversified Plastics | Nixa | MO | — | ◇ UNVERIFIED |
| DRDock Resins Corporation | Linden | NJ | — | ◇ UNVERIFIED |
| DLDometic, LLC | Lagrange | IN | — | ◇ UNVERIFIED |
| DSDouglas Stephen Plastics INC | Paterson | NJ | — | ◇ UNVERIFIED |
| DRDow Reichhold Specialty Latex LLC (closed) | Dover | DE | — | ◇ UNVERIFIED |
| DRDow Reichold Specialty Latex LLC | Chickamauga | GA | — | ◇ UNVERIFIED |
Dow Silicones Corporation | Auburn | MI | — | ◇ UNVERIFIED |
| DCDrexel Chemical Company | Memphis | TN | — | ◇ UNVERIFIED |
| DBDsm Biomedical INC | Berkeley | CA | — | ◇ UNVERIFIED |
| DEDupont E I Denemours & CO | Toledo | OH | — | ◇ UNVERIFIED |