| BSBlue Swan Wilmington | Wilmington | DE | — | ◇ UNVERIFIED |
| BTBlue Tech Fuels INC | Columbiana | AL | — | ◇ UNVERIFIED |
| BCBorden Chemical Forest Park Plant | Forest Park | IL | — | ◇ UNVERIFIED |
| BCBorden Chemical Incorporated - Waverly Plant | Waverly | VA | — | ◇ UNVERIFIED |
| BCBorden Chemicals & Plastics Operating LP | Addis | LA | — | ◇ UNVERIFIED |
| BBBound Brook Facility Union Carbide CORP | Piscataway | NJ | — | ◇ UNVERIFIED |
| BOBradford Orthopedics | Dover | DE | — | ◇ UNVERIFIED |
| BMBrenntag Mid-south, INC. | Louisville | KY | — | ◇ UNVERIFIED |
| BKBrian Kenyon Enterprises | Zephyrhills | FL | — | ◇ UNVERIFIED |
| BBBridgeport Biodiesel LLC | Bridgeport | CT | — | ◇ UNVERIFIED |
| BPBridgewater Protective Coatings INC | Bridgewater | NJ | — | ◇ UNVERIFIED |
| BCBrite CO a & I Chemicals INC | Sandersville | GA | — | ◇ UNVERIFIED |
| BCBrush Cleaners & Laundromat | Brush | CO | — | ◇ UNVERIFIED |
| BFB.w. Freeman INC. | Cuba | MO | — | ◇ UNVERIFIED |
| BUByk USA INC | Louisville | KY | — | ◇ UNVERIFIED |
| CNC3 Nano INC | Hayward | CA | — | ◇ UNVERIFIED |
 Calgon Carbon Corporation | Blue Lake | CA | — | ◇ UNVERIFIED |
| CCCalgon Corporation Sub Merck and CO | Pasadena | TX | — | ◇ UNVERIFIED |
| CMCambridge Major Laboratories | Germantown | WI | — | ◇ UNVERIFIED |
| CMCapital Marble Creations INC | Lillington | NC | — | ◇ UNVERIFIED |
| CCarbolabs | Bethany | CT | — | ◇ UNVERIFIED |
| CCCardolite CORP | Newark | NJ | — | ◇ UNVERIFIED |
| CICargill INC - Salt Division | Savage | MN | — | ◇ UNVERIFIED |
| CPCarlisle Polyurethane Systems (formerly Acella Polyurethane Systems) | Chattanooga | TN | — | ◇ UNVERIFIED |
| CCCarolina Casting INC | High Point | NC | — | ◇ UNVERIFIED |
| CCCayman Chemical CO | State College | PA | — | ◇ UNVERIFIED |
| CPCci Port Nickel LLC - Port Nickel | Braithwaite | LA | — | ◇ UNVERIFIED |
| CCCcp Composites US LLC Centralia | Centralia | WA | — | ◇ UNVERIFIED |
| CSCdr Systems CORP | Waynoka | OK | — | ◇ UNVERIFIED |
| CSCdr Systems Corporation | Jacksonville | FL | — | ◇ UNVERIFIED |
| CACelanese Acetate LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| CLCelanese Limited | Corpus Christi | TX | — | ◇ UNVERIFIED |
| CLCelanese Ltd-meredosia Facility | Meredosia | IL | — | ◇ UNVERIFIED |
| CJCf Jameson | Haverhill | MA | — | ◇ UNVERIFIED |
| CBChata Biosystems LLC a Part of Boval CO LP | Loveland | CO | — | ◇ UNVERIFIED |
| CGChattanooga General Services CO. | Chattanooga | TN | — | ◇ UNVERIFIED |
| CUChemetall Us, INC. | Romulus | MI | — | ◇ UNVERIFIED |
| CSChemical Specialists & Development INC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| CCChemline Ca INC | Compton | CA | — | ◇ UNVERIFIED |
| CQChicagoland Quad Cities Express, INC. - Bridgeview | Bridgeview | IL | — | ◇ UNVERIFIED |
| CLChristen & Laudon- Aep Fgd Project | Tiltonsville | OH | — | ◇ UNVERIFIED |
| CSCindys Signature Clnr & Tailors/abington | Roslyn | PA | — | ◇ UNVERIFIED |
| CMCirtec Medical CORP | Sturtevant | WI | — | ◇ UNVERIFIED |
| CJC J Osborn Company | Pennsauken | NJ | — | ◇ UNVERIFIED |
| CFClean Fuel Lakeland, LLC | Lakeland | FL | — | ◇ UNVERIFIED |
| COClearwater of Le Firm Part 2, LLC | Lake Charles | LA | — | ◇ UNVERIFIED |
| CUClemson Univ Lab for Nanotechnology | Pendleton | SC | — | ◇ UNVERIFIED |
| CHClestra Hauserman INC. Div. of Steelcase | Solon | OH | — | ◇ UNVERIFIED |
| CTClose the Loop INC | Hebron | KY | — | ◇ UNVERIFIED |
| CECmi Enterprises | Forest City | NC | — | ◇ UNVERIFIED |
