| CRCheyenne Renewable Diesel Company | Laramie | WY | — | ◇ UNVERIFIED |
| CTChromatic Technologies INC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| CUCht USA INC. | Cassopolis | MI | — | ◇ UNVERIFIED |
| CDChurch & Dwight Co., INC. | Old Fort | OH | — | ◇ UNVERIFIED |
| CCCi Chemicals Oregon | Mcminnville | OR | — | ◇ UNVERIFIED |
| CICil Isotope Separations, INC. (0829100409) | Xenia | OH | — | ◇ UNVERIFIED |
| CNCima Nanotech - Westgate Site | Saint Paul | MN | — | ◇ UNVERIFIED |
| CSCindys Signature Clnr & Tailors/abington | Roslyn | PA | — | ◇ UNVERIFIED |
| CFCity F El Centro | El Centro | CA | — | ◇ UNVERIFIED |
| COCity of Bay City | Tillamook | OR | — | ◇ UNVERIFIED |
| COCity of Hope Radiation Oncology LLC. | San Bernardino | CA | — | ◇ UNVERIFIED |
| COCity of Modesto | Modesto | CA | — | ◇ UNVERIFIED |
| CMCk Materials INC | Racine | WI | — | ◇ UNVERIFIED |
| CCClariant Corporation | Albion | MI | — | ◇ UNVERIFIED |
| CCClariant Corporation, Louisville South Plant | Louisville | KY | — | ◇ UNVERIFIED |
| CCClean Cotton CORP | Gilliam | LA | — | ◇ UNVERIFIED |
| CFClean Fuel Lakeland, LLC | Lakeland | FL | — | ◇ UNVERIFIED |
| CLClear Lake Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| CIClift Industries, INC. | Indian Trail | NC | — | ◇ UNVERIFIED |
| CPClorox Prods Mfg CO | Tampa | FL | — | ◇ UNVERIFIED |
| CPClorox Products Manufacturing Company | Fairfield | CA | — | ◇ UNVERIFIED |
| CICMC Industrial Services LLC | Concord | NC | — | ◇ UNVERIFIED |
| CSCoach South Coast Plaza | Costa Mesa | CA | — | ◇ UNVERIFIED |
| CSCoates Screen INC | East Rutherford | NJ | — | ◇ UNVERIFIED |
| CUCoim Usa, INC | Paulsboro | NJ | — | ◇ UNVERIFIED |
| CTCold Trap LLC | Coleman | OK | — | ◇ UNVERIFIED |
| CFColorcraft Finishes | Compton | CA | — | ◇ UNVERIFIED |
| CRColor Resolutions Intl | Cincinnati | OH | — | ◇ UNVERIFIED |
| CIColortech Ink & Coatings LLC | Adamsville | TN | — | ◇ UNVERIFIED |
| CCColridge Company INC | Delray Beach | FL | — | ◇ UNVERIFIED |
| CCColumbian Chemicals Company | Proctor | WV | — | ◇ UNVERIFIED |
| CCComplex Chemicals CO INC | Tallulah | LA | — | ◇ UNVERIFIED |
| CSComposite Systems, LLC | Midland | TX | — | ◇ UNVERIFIED |
| CSConcise Separations | San Jose | CA | — | ◇ UNVERIFIED |
| CPConju Probe LLC | San Diego | CA | — | ◇ UNVERIFIED |
| CLConju-probe LLC | San Diego | CA | — | ◇ UNVERIFIED |
| CCConsolidated Color | Peabody | MA | — | ◇ UNVERIFIED |
| CCContinental Carbon Phenix City Plant | Phenix City | AL | — | ◇ UNVERIFIED |
| CCContra Costa County Print and Mail | Concord | CA | — | ◇ UNVERIFIED |
| CNCooper Natural Resources | Loop | TX | — | ◇ UNVERIFIED |
| C1Cor 13 Technologies INC | Pasadena | CA | — | ◇ UNVERIFIED |
| CYCorcoran Yard | Corcoran | CA | — | ◇ UNVERIFIED |
| CBCorrib Biofuels Holdings | Elizabeth | NJ | — | ◇ UNVERIFIED |
| CFCorteva Freeport Operations | Freeport | TX | — | ◇ UNVERIFIED |
| CLCovestro LLC | Pittsburgh | PA | — | ◇ UNVERIFIED |
| CLCovestro LLC | Proctor | WV | — | ◇ UNVERIFIED |
| CCCp Chemicals Group LP | Wickliffe | OH | — | ◇ UNVERIFIED |
| CHCp Hall CO | Bedford Park | IL | — | ◇ UNVERIFIED |
| CSCq Sulfur Pile | Peru | KS | — | ◇ UNVERIFIED |
| CCCrazy Chemical CORP. | Orlando | FL | — | ◇ UNVERIFIED |
| CMCristal Metals Inc-titanium Powder Plant | Ottawa | IL | — | ◇ UNVERIFIED |
| CPCrop Production Services 232 | Caldwell | ID | — | ◇ UNVERIFIED |
| CSC S Bio Co. | Milpitas | CA | — | ◇ UNVERIFIED |
| CPCudd Pressure Control, INC. | Port Arthur | TX | — | ◇ UNVERIFIED |
| COCudner & O'connor CO | Chicago | IL | — | ◇ UNVERIFIED |
| CPCustom Printing Inks, LLC | Fairvew | TN | — | ◇ UNVERIFIED |
| CPCustom Printing Inks LTD | San Diego | CA | — | ◇ UNVERIFIED |
| CSCvc Specialty Chemicals, INC. - Maple Shade Plant | Maple Shade Twp | NJ | — | ◇ UNVERIFIED |
| CICytec Industries, INC - Brewster Plant | Mulberry | FL | — | ◇ UNVERIFIED |
| CICytec Industries, Willow Island Plant | Belmont | WV | — | ◇ UNVERIFIED |
| DID5 Ink Systems, INC. | Norwalk | CA | — | ◇ UNVERIFIED |
| DLDai LLC | Walton | KY | — | ◇ UNVERIFIED |
| DCDaniel Clnr Svc | Willow Grove | PA | — | ◇ UNVERIFIED |
| DUDanisco USA INC. - Newark | Newark | DE | — | ◇ UNVERIFIED |
| DRDarlington Ridge Farms LLC | Darlington | WI | — | ◇ UNVERIFIED |
| DCDataproducts Corporation | Chatsworth | CA | — | ◇ UNVERIFIED |
 Dcx-chol Enterprises Newvac Division | Chatsworth | CA | — | ◇ UNVERIFIED |
| DSDdp Specialty Electronic Materials US LLC | Auburn Hills | MI | — | ◇ UNVERIFIED |
| DMDeadline Media INC | Temecula | CA | — | ◇ UNVERIFIED |
| DFDeco Flexible Packaging | Wood Dale | IL | — | ◇ UNVERIFIED |
| DTDeco Technology Group INC | Placentia | CA | — | ◇ UNVERIFIED |
| DTDelta Trading Ico Crimson Resource Mgmt | Bakersfield | CA | — | ◇ UNVERIFIED |
| DVDel Val Ink and Color, INC. | Riverton | NJ | — | ◇ UNVERIFIED |
| DWDenver Water - Westside | Denver | CO | — | ◇ UNVERIFIED |
| DSDetroit Salt Company LLC | Anderson | IN | — | ◇ UNVERIFIED |
| DDigicopy | Eau Claire | WI | — | ◇ UNVERIFIED |
| DIDigital Ink Technology | York | SC | — | ◇ UNVERIFIED |
| DTDimension Technology Chemical Systems INC | Sacramento | CA | — | ◇ UNVERIFIED |
| DDDiversey/old Dominion | Macon | GA | — | ◇ UNVERIFIED |
| DNDiversified Nano Solutions CORP | Poway | CA | — | ◇ UNVERIFIED |
| DNDiversified Nano Solutions Corporation | Pompano Beach | FL | — | ◇ UNVERIFIED |
| DCDixie Chemical Bayport Facility | Pasadena | TX | — | ◇ UNVERIFIED |
| D2Dna 20 | Newark | CA | — | ◇ UNVERIFIED |
| DPD&N Properties, LLC | Albuquerque | NM | — | ◇ UNVERIFIED |
| DCDodge Company the | Cambridge | MA | — | ◇ UNVERIFIED |
| DSDoe/wsrc Savannah River Site | Jackson | SC | — | ◇ UNVERIFIED |
| DSDongjin Semichem Texas | Killeen | TX | — | ◇ UNVERIFIED |
| DCDover Chemical CORP (0679010132) | Dover | OH | — | ◇ UNVERIFIED |
| DCDow Chemical | Houston | TX | — | ◇ UNVERIFIED |
| DCDow Chemical | La Porte | TX | — | ◇ UNVERIFIED |
| DCDow Chemical-midland | Midland | MI | — | ◇ UNVERIFIED |
| DCDow Chem Plp | Royersford | PA | — | ◇ UNVERIFIED |
| DCDow Corning Corporation | Mount Meigs | AL | — | ◇ UNVERIFIED |
 Dow Silicones Corporation | Auburn | MI | — | ◇ UNVERIFIED |
| Dow Silicones Corporation-midland Site | Midland | MI | — | ◇ UNVERIFIED |
| DEDpc Enterprises, L.p. | Chattanooga | TN | — | ◇ UNVERIFIED |
| D2Dsm 2024projects | Kingstree | SC | — | ◇ UNVERIFIED |
| DCDsm Chemicals North America | Augusta | GA | — | ◇ UNVERIFIED |
| DCDubois Chemicals INC | Detroit | MI | — | ◇ UNVERIFIED |
| DCDubois Chemicals INC. | Fairfield | OH | — | ◇ UNVERIFIED |
