| BTBrandy & the Boys Dba Bio-one of Redlands | Riverside | CA | — | ◇ UNVERIFIED |
| BABrass Artcrafts Company | Annapolis | MD | — | ◇ UNVERIFIED |
| BSBrenntag Southwest - Greens Bayou | Houston | TX | — | ◇ UNVERIFIED |
| BABrent America Incorporated | La Mirada | CA | — | ◇ UNVERIFIED |
| BRBrighten Restaurant Service | San Francisco | CA | — | ◇ UNVERIFIED |
| BTBronner Technical Servies | Vista | CA | — | ◇ UNVERIFIED |
| BRBrothers Research LLC | Burlington | NC | — | ◇ UNVERIFIED |
| BCBulk Chemicals INC | Hamburg | PA | — | ◇ UNVERIFIED |
| BCBulk Chemicals, INC. | Shoemakersville | PA | — | ◇ UNVERIFIED |
| BCBulk Chemicals, INC. | Blandon | PA | — | ◇ UNVERIFIED |
| CCCabot CORP - Canal Plant | Franklin | LA | — | ◇ UNVERIFIED |
| CCCabot Corporation | Waverly | WV | — | ◇ UNVERIFIED |
| CCCabot Corporation | Carrollton | KY | — | ◇ UNVERIFIED |
| CCCabot Corporation - Canal Plant | Centerville | LA | — | ◇ UNVERIFIED |
| CCCabot Corporation - Carrollton Plant | Carrollton | KY | — | ◇ UNVERIFIED |
| CCCabot Corporation - Carrollton Plant | Carrollton | KY | — | ◇ UNVERIFIED |
| CMCabot Microelectronics CORP | Aurora | IL | — | ◇ UNVERIFIED |
 Calgon Carbon Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| Calgon Carbon Corporation | Stockton | CA | — | ◇ UNVERIFIED |
| CTCalhoun Trailer | Lakeville | MN | — | ◇ UNVERIFIED |
| CSCalifornia Sulphur CO | Wilmington | CA | — | ◇ UNVERIFIED |
| CCallery | Evans City | PA | — | ◇ UNVERIFIED |
| CCCandy & CO | Chicago | IL | — | ◇ UNVERIFIED |
| CBCarbon Black Division | Aransas Pass | TX | — | ◇ UNVERIFIED |
| CBCarbon Black Plant | Sunray | TX | — | ◇ UNVERIFIED |
| CLCareco, LLC | Mission Viejo | CA | — | ◇ UNVERIFIED |
| CCCaribbean Chemical Industries CORP. | Penuelas | PR | — | ◇ UNVERIFIED |
| CSCarlin Sodium Cyanide Terminal | Carlin | NV | — | ◇ UNVERIFIED |
| CWCary/apex Water Treatment Plant, Town of Cary | Apex | NC | — | ◇ UNVERIFIED |
| CCCci Chemical | Vernon | CA | — | ◇ UNVERIFIED |
| CACdti Advanced Materials, INC. | Oxnard | CA | — | ◇ UNVERIFIED |
| CEC E D Enterprises INC | Gore | VA | — | ◇ UNVERIFIED |
| CDCei - Douglassville INC | Douglassville | PA | — | ◇ UNVERIFIED |
| CCCentral California Recycling | Los Banos | CA | — | ◇ UNVERIFIED |
| CCCentral Carbide LLC / Central Carbide LLC | Pryor | OK | — | ◇ UNVERIFIED |
| CMCentral Mn Renewables | Little Falls | MN | — | ◇ UNVERIFIED |
| CCCeramic Color & Chemical Manufacturer | Sewickley | PA | — | ◇ UNVERIFIED |
| CCCeramic Color & Chemical Manufacturing Company, INC. | New Brighton | PA | — | ◇ UNVERIFIED |
| CCCeramic Color & Chem Mfg CO Plt | New Brighton | PA | — | ◇ UNVERIFIED |
| CPChampion Packaging & Distributing INC | Fontanta | CA | — | ◇ UNVERIFIED |
| CCChannel Chemical Corporation | Gulfport | MS | — | ◇ UNVERIFIED |
| C3Chem 32 | West Orange | TX | — | ◇ UNVERIFIED |
| CChematron | Charlotte | NC | — | ◇ UNVERIFIED |
| CPChemco Products Company | Ceres | CA | — | ◇ UNVERIFIED |
| CUChemetall U,s., Inc, | La Mirada | CA | — | ◇ UNVERIFIED |
| CUChemetall US INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| CCChemex Chemicals INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| CFChemical Formulators INC | Tampa | FL | — | ◇ UNVERIFIED |
| CGChemical Guys | Carson | CA | — | ◇ UNVERIFIED |
| CMChemical & Metal Industries INC | Denver | CO | — | ◇ UNVERIFIED |
