| CAClark Automatic | Rosedale | MD | — | ◇ UNVERIFIED |
| CMClark Metal Prod CO | Blairsville | PA | — | ◇ UNVERIFIED |
| 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 |
| CMColfor Mfg Machining Div Minerva Operations | Minerva | OH | — | ◇ UNVERIFIED |
| CACollins & Aikman Plastics | Manchester | MI | — | ◇ UNVERIFIED |
| CCColorado Chemical Specialties Incorporated | Golden | CO | — | ◇ UNVERIFIED |
| CWColorado Water Jet Company | Berthoud | CO | — | ◇ UNVERIFIED |
| CSColorite Specialty Resins | Burlington Township | NJ | — | ◇ UNVERIFIED |
| CMColor Master | Avilla | IN | — | ◇ UNVERIFIED |
| CMColor Master INC | Butler | IN | — | ◇ UNVERIFIED |
| CPColumbine Plastic CORP | Boulder | CO | — | ◇ UNVERIFIED |
| CTComet Tool CO INC | Pitman | NJ | — | ◇ UNVERIFIED |
| CHCommercial Honing CO | Fontana | CA | — | ◇ UNVERIFIED |
| CFCom-pac Filtration INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| CMCompatible Manufacturing INC | Marion | MT | — | ◇ UNVERIFIED |
| CCComplementary Coatings CORP | Edgewater | FL | — | ◇ UNVERIFIED |
| CComposecure | Somerset | NJ | — | ◇ UNVERIFIED |
| CPComposite Product Division Freeport | Freeport | TX | — | ◇ UNVERIFIED |
 Composite Technologies | Hines | OR | — | ◇ UNVERIFIED |
| CFConcept Fiberglass | Grand Island | NE | — | ◇ UNVERIFIED |
| CPControlled Precision Machining INC | Farmington Hills | MI | — | ◇ 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 |
| CPCosmic Plastics INC | Valencia | CA | — | ◇ UNVERIFIED |
| CICovermaster, INC. | Elkhart | IN | — | ◇ UNVERIFIED |
| CLCovestro LLC (0145020221) | Hebron | OH | — | ◇ UNVERIFIED |
| CACpi a Division of Core Moldin | Winona | MN | — | ◇ UNVERIFIED |
| CBCraig Baker Marble CO INC | Barker | TX | — | ◇ UNVERIFIED |
| CTCraig Technologies | Seaford | DE | — | ◇ UNVERIFIED |
| CVCray Valley USA LLC | Houston | TX | — | ◇ UNVERIFIED |
 Creative Machining Technolgy | Corona | CA | — | ◇ UNVERIFIED |
| CMCreative Metalcraft CORP. | Hiram | GA | — | ◇ UNVERIFIED |
| CPCreative Plastic Molders Incorporated | Lexington | NC | — | ◇ UNVERIFIED |
| CMCrown Manufacturing | Newark | CA | — | ◇ UNVERIFIED |
| CCCrysta-lyn Chemical CO INC | Binghamton | NY | — | ◇ UNVERIFIED |
| CPC&s Plating & Machine | Trenton | GA | — | ◇ UNVERIFIED |
| CSC S Polymer | Newport News | VA | — | ◇ UNVERIFIED |
| CRCurrent River Die Sinking | Doniphan | MO | — | ◇ UNVERIFIED |
| CCCustom Composites CO INC. | Moberly | MO | — | ◇ UNVERIFIED |
| CCCustom Composites LLC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CCCustom Compounding Services LLC | Rockford | IL | — | ◇ 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 |
| CMCygnus Mfg CO LLC | Saxonburg | PA | — | ◇ UNVERIFIED |
| CCCynwyd Clnr Svc | Bala Cynwyd | PA | — | ◇ 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 |
| DIDacar Industries INC | East Liverpool | OH | — | ◇ UNVERIFIED |
| DIDaman Industrial Services | East Brady | PA | — | ◇ UNVERIFIED |
| DSDaniel Smith INC | Seattle | WA | — | ◇ UNVERIFIED |
| DIDart Interests Former Xg Sciences | Lansing | MI | — | ◇ UNVERIFIED |
| DHDave Hunter CO LLC | Albany | OR | — | ◇ UNVERIFIED |
| DDayton | Dayton | NV | — | ◇ UNVERIFIED |
| DSDecimet Sales INC | Rogers | MN | — | ◇ UNVERIFIED |
| DLDeflecto LLC | Dover | OH | — | ◇ UNVERIFIED |
| DPDelaware Park Racetrack & Casino | Wilmington | DE | — | ◇ UNVERIFIED |
| DMDel Mar Plastic INC | Oxnard | CA | — | ◇ UNVERIFIED |
| DIDeloach Industries INC | Sarasota | FL | — | ◇ UNVERIFIED |
| DODeltco of Wisconsin INC | Ashland | WI | — | ◇ UNVERIFIED |
| DSDesert Sun Fiberglass | Phoenix | AZ | — | ◇ UNVERIFIED |
| DFDesign Form INC | Stanton | CA | — | ◇ UNVERIFIED |
| DEDesman Engineering INC | Alexandria | MN | — | ◇ UNVERIFIED |
| DADevelopment Associates, INC. | North Kingstown | RI | — | ◇ UNVERIFIED |
| DCDff CORP | Agawam | MA | — | ◇ UNVERIFIED |
| DCDiemolding CORP | Canastota | NY | — | ◇ UNVERIFIED |
| DSDietze & Schell Manufacturing Solutions Na, INC. | Anderson | SC | — | ◇ UNVERIFIED |
| DTDigital Tool & Automation | Ramsey | MN | — | ◇ UNVERIFIED |
| DMDistinctive Marble INC | Tucson | AZ | — | ◇ UNVERIFIED |
| DPDiversified Plastics | Nixa | MO | — | ◇ UNVERIFIED |
| DTDixon Ticonderoga | Macon | GA | — | ◇ UNVERIFIED |
| DCDober Chemical CORP | Midlothian | IL | — | ◇ UNVERIFIED |
| DRDock Resins Corporation | Linden | NJ | — | ◇ UNVERIFIED |
 Donaldson CO INC - Minneapolis | Bloomington | MN | — | ◇ 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 |
| DMDuffin Mfg CO | Elyria | OH | — | ◇ UNVERIFIED |
| DEDupont E I Denemours & CO | Toledo | OH | — | ◇ UNVERIFIED |
| DEDupont Electronic Materials Cmp, Llc-building 8 | Newark | DE | — | ◇ UNVERIFIED |
| DTDupont Teijin Films | Florence | SC | — | ◇ UNVERIFIED |
| DTDupont Teijin Films Spruance | Richmond | VA | — | ◇ UNVERIFIED |
| DPDwyer Property Ground Water Plume | Elkton | MD | — | ◇ UNVERIFIED |
| DCDynamic Color Solutions INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| EIEagle Innovations INC. | Hurricane | UT | — | ◇ UNVERIFIED |
| EMEagle Machine Products | Sterling Heights | MI | — | ◇ UNVERIFIED |
