 Calgon Carbon Corporation | Stockton | CA | — | ◇ UNVERIFIED |
| Calgon Carbon Corporation | North Tonawanda | NY | — | ◇ UNVERIFIED |
| Calgon Carbon Corporation | Blue Lake | CA | — | ◇ UNVERIFIED |
| Calgon Carbon CORP R&d | Pittsburgh | PA | — | ◇ UNVERIFIED |
| CCCalifornia Cannabis Group | San Diego | CA | — | ◇ UNVERIFIED |
| CNCalifornia Nanotechnologies INC | Cerritos | CA | — | ◇ UNVERIFIED |
| CSCalifornia Supreme Salt LLC | Twentynine Palms | CA | — | ◇ UNVERIFIED |
| CLCalwax LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| CBCambium Biomaterials INC Dba Cambium | Mojave | CA | — | ◇ UNVERIFIED |
 Camco Manufacturing | Portland | OR | — | ◇ UNVERIFIED |
| CMCamco Mfg INC | Elkhart | IN | — | ◇ UNVERIFIED |
| CGCameron Great Lakes | Batavia | IL | — | ◇ UNVERIFIED |
| CGCameron Great Lakes INC. | Batavia | IL | — | ◇ UNVERIFIED |
| CCCapacity Chemical Plant 1 | Westley | CA | — | ◇ UNVERIFIED |
| CHCaptek Holdings INC | Vista | CA | — | ◇ UNVERIFIED |
| CRCarbide Recycling Company | Commerce Township | MI | — | ◇ UNVERIFIED |
 Carbon Activated Corporation | Hamburg | NY | — | ◇ UNVERIFIED |
| CFCarbon Filtration Systems | Johnston | RI | — | ◇ UNVERIFIED |
| CRCarbon Regeneration Facility | Crosby | TX | — | ◇ UNVERIFIED |
| CICargill, INC. - Salt Division | Mc Kees Rocks | PA | — | ◇ UNVERIFIED |
| CSCargill Salt, INC. | Breaux Bridge | LA | — | ◇ UNVERIFIED |
| CPCarlisle Polyurethane Systems | Waukesha | WI | — | ◇ UNVERIFIED |
| CRCastle Rubber Mfg | East Butler | PA | — | ◇ UNVERIFIED |
| CICatapower INC | Pasadena | CA | — | ◇ UNVERIFIED |
| CICatapower INC | Pasadena | CA | — | ◇ UNVERIFIED |
| CXC&a Xray INC | Paramount | CA | — | ◇ UNVERIFIED |
| CCCci Chemical Corporation | Las Vegas | NV | — | ◇ UNVERIFIED |
| CPCc Packaging LLC | Levittown | PA | — | ◇ UNVERIFIED |
| CTCcr Technologies, INC. | Portable | CO | — | ◇ UNVERIFIED |
| CTCc Tech LLC | Berkeley | CA | — | ◇ UNVERIFIED |
| CWCc Wellness LLC | Valencia | CA | — | ◇ UNVERIFIED |
| CWCc Wellness LLC | Valencia | CA | — | ◇ UNVERIFIED |
| CPCeara Products INC | Denver | CO | — | ◇ UNVERIFIED |
| CCCelta Chemical | Granite City | IL | — | ◇ UNVERIFIED |
| CACemex Admix Usa, LLC | Victorville | CA | — | ◇ UNVERIFIED |
| CACenter Alternative Energy CO Ii | Cleveland | OH | — | ◇ UNVERIFIED |
| CCerilliant | Austin | TX | — | ◇ UNVERIFIED |
| CRCertified Refrigerant Service INC | Punta Gorda | FL | — | ◇ UNVERIFIED |
| CRC.F.B. Real Estate Corp. | Bristol | IN | — | ◇ UNVERIFIED |
| CFCfs Feedstock LLC | Montgomery | IL | — | ◇ UNVERIFIED |
| CICgh-ev INC | Evansville | IN | — | ◇ UNVERIFIED |
| CDChaitanya Dave and Amita Dave,Trustees of the Dave Family Living Trust | Rancho Palos Verdes | CA | — | ◇ UNVERIFIED |
| CGChampionx -- Garyville Facility | Mount Airy | LA | — | ◇ UNVERIFIED |
| CLChampionx LLC - Greeley Facility | Kersey | CO | — | ◇ UNVERIFIED |
 Charm Sciences, INC. | Lawrence | MA | — | ◇ UNVERIFIED |
| CCChase Corporation | Greenville | SC | — | ◇ UNVERIFIED |
| CPChase Products CO | Broadview | IL | — | ◇ UNVERIFIED |
| CSChase & Sons INC | Randolph, Town of | MA | — | ◇ UNVERIFIED |
| CCChattem Chemicals, INC. | Chattanooga | TN | — | ◇ UNVERIFIED |
| CLChem2o LLC | Herndon | PA | — | ◇ UNVERIFIED |
| CWChemco Water Technology Site | Vancouver | WA | — | ◇ UNVERIFIED |
| CBChemical Blending and Packagi | Mills | WY | — | ◇ UNVERIFIED |
| CLChemical Laboratories | Tampa | FL | — | ◇ UNVERIFIED |
 Chemical Manufacturers, INC. | Compton | CA | — | ◇ UNVERIFIED |
| CIChemicals, INC. | Fontana | CA | — | ◇ UNVERIFIED |
| CTChemical Technologies LLC | Elizabethton | TN | — | ◇ UNVERIFIED |
| CIChem Inventions LLC | Parsippany | NJ | — | ◇ UNVERIFIED |
| CIChem Inventions LLC | Whippany | NJ | — | ◇ UNVERIFIED |
| CIChempak International | Houston | TX | — | ◇ UNVERIFIED |
| CChem-ship | East Point | GA | — | ◇ UNVERIFIED |
| CIChemstream INC | Stoystown | PA | — | ◇ UNVERIFIED |
| CIChemstream INC Indiana Branch | Indiana | PA | — | ◇ UNVERIFIED |
| CIChemstream INC Midwest Branch | West Frankfort | IL | — | ◇ UNVERIFIED |
| CSChem-Tech Solutions, Inc. | Gastonia | NC | — | ◇ UNVERIFIED |
| CChemtreat | Norco | LA | — | ◇ UNVERIFIED |
| CAChemtreat at Terminal Warehouse | Akron | OH | — | ◇ UNVERIFIED |
| CEChemtreat (c/o Extra Space Storage) | Newport News | VA | — | ◇ UNVERIFIED |
| CCChemtreat Containers - American Storage & Distribution | Catano | PR | — | ◇ UNVERIFIED |
| CRChemtreat (c/o Roysoncorp) | Rockaway | NJ | — | ◇ UNVERIFIED |
| CCChemtreat C/o Tyler Moving and Storage | Dover | OH | — | ◇ UNVERIFIED |
| CTChem Treat C/o Wacker Polysilicon | Charleston | TN | — | ◇ UNVERIFIED |
| CWChemtreat (hawaii Warehouse) | Honolulu | HI | — | ◇ UNVERIFIED |
| CIChemtreat, INC | Hialeah | FL | — | ◇ UNVERIFIED |
| CRChemtreat (red River Supply Warehouse) | Williston | ND | — | ◇ UNVERIFIED |
| CWChemtreat (savage Warehouse) | Auburn | ME | — | ◇ UNVERIFIED |
| CTChemtreat Technology and Innovation Center | Ashland | VA | — | ◇ UNVERIFIED |
| CSChemtron Supply CORP Dba Chemtron Riverbend | Saint Charles | MO | — | ◇ UNVERIFIED |
| CCChevron Chemical Company | Richmond | CA | — | ◇ UNVERIFIED |
| CMChilo Manufacturing & Plating Company | Chicago | IL | — | ◇ UNVERIFIED |
| CPChromalloy Pacific Gas Turbine Center | San Diego | CA | — | ◇ UNVERIFIED |
| CIChryso, INC | Zellwood | FL | — | ◇ UNVERIFIED |
| CIChryso Incorporated | Charlestown | IN | — | ◇ UNVERIFIED |
| CNCie Nd Warehouse (chemtreat Containers) | Commerce | CA | — | ◇ UNVERIFIED |
| CLCiim, LLC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| COCity of Long Beach | Long Beach | CA | — | ◇ UNVERIFIED |
| CJC J R Processing CO | Des Plaines | IL | — | ◇ UNVERIFIED |
| CMClaire Manufacturing | Addison | IL | — | ◇ UNVERIFIED |
| CCClariant Corporation - Palo Alto | Palo Alto | CA | — | ◇ UNVERIFIED |
| COClariant Oil Services | Clinton | OK | — | ◇ UNVERIFIED |
| CPClariant Plastics & Coating USA INC Chino | Chino | CA | — | ◇ UNVERIFIED |
| CAClean Advantage | Taylors | SC | — | ◇ UNVERIFIED |
| CEClean Earth of Alabama | Glencoe | AL | — | ◇ UNVERIFIED |
| CLClean Lites | Mason | MI | — | ◇ UNVERIFIED |
| CNCloud Nine Vapor LLC | Butler | PA | — | ◇ UNVERIFIED |
| CICmcms INC | Foley | MN | — | ◇ UNVERIFIED |
| CSCmi Specialty Systems LLC | Auburn Hills | MI | — | ◇ UNVERIFIED |
| CCCoastal Chemical Co., LLC - Rock Springs | Sweetwater | WY | — | ◇ UNVERIFIED |
| CICoastal Industrial Company, INC. | Townsend | GA | — | ◇ UNVERIFIED |
| CSCoated Sand Solutions LLC | Rochelle | IL | — | ◇ UNVERIFIED |
| CMCollier Manufacturing LLC | Manchester | TN | — | ◇ UNVERIFIED |
