| BWButtonwillow Warehouse | Firebaugh | CA | — | ◇ UNVERIFIED |
| CICaire INC. | San Diego | CA | — | ◇ UNVERIFIED |
| CRCalgren Renewable Fuels | Pixley | CA | — | ◇ UNVERIFIED |
| CACalifornia Ammonia Company | Grimes | CA | — | ◇ UNVERIFIED |
| CECalifornia Extracts | Baldwin Park | CA | — | ◇ UNVERIFIED |
| CSCalifornia Safe Soil LLC | Mcclellan | CA | — | ◇ UNVERIFIED |
| CCCalpine Clear Lake Cogeneration | Pasadena | TX | — | ◇ UNVERIFIED |
| CCameron | Pittsburg | CA | — | ◇ UNVERIFIED |
| CICarbide Industries LLC Calvert City | Calvert City | KY | — | ◇ UNVERIFIED |
| CICargill INC Polyol Sweeteners | Blair | NE | — | ◇ UNVERIFIED |
| CWCargill/wagon Wheel Energy LLC | Atchison | KS | — | ◇ UNVERIFIED |
| CACarlin Autoclave Oxygen Plant (formerly Goldstrike Mine) | Carlin | NV | — | ◇ UNVERIFIED |
| CNCarlsbad No0247 | Carlsbad | NM | — | ◇ UNVERIFIED |
| CFCarper Farm Supply INC. | Ashley | IN | — | ◇ UNVERIFIED |
| CCCarroll County Ethanol LLC | Thomson | IL | — | ◇ UNVERIFIED |
| CCCarter Creek Gas Plant | Uinta | WY | — | ◇ UNVERIFIED |
| CMCcd Mvr Project, LLC | Fair Oaks | IN | — | ◇ UNVERIFIED |
| CMC&c Mfg Aka Dls Partners LLC Dba Square One Supply CO | Springfield | MO | — | ◇ UNVERIFIED |
| CDCea Dairy Rng Kansas, LLC - Rexford Rng Facility (air) | Rexford | KS | — | ◇ UNVERIFIED |
| CBCedar Bayou Hydrogen Facility | Baytown | TX | — | ◇ UNVERIFIED |
| CVCentral Valley Ag | Fremont | NE | — | ◇ UNVERIFIED |
| CVCentral Valley Ag | Fremont | NE | — | ◇ UNVERIFIED |
| CDCentro De Gas Hiram CORP. | Aguada | PR | — | ◇ UNVERIFIED |
| CICe&p Imperial Valley 1 | Brawley | CA | — | ◇ UNVERIFIED |
| CICf Industries Nitrogen, LLC | Donaldsonville | LA | — | ◇ UNVERIFIED |
| CICGI International, LLC and CGI International, Inc. | Washington | PA | — | ◇ UNVERIFIED |
 Charm Industrial - 2290 | Fort Lupton | CO | — | ◇ UNVERIFIED |
| CLCharm Louisiana LLC | Saint Landry | LA | — | ◇ UNVERIFIED |
| CCChemours - Corpus Christi Plant | Gregory | TX | — | ◇ UNVERIFIED |
| CFChism Fertilizer & Lime LLC | Osceola | MO | — | ◇ UNVERIFIED |
| CEChoice Ethanol Holdings LLC | O'neill | NE | — | ◇ UNVERIFIED |
| CIChs INC. | Council Bluffs | IA | — | ◇ UNVERIFIED |
| CIChs, INC. | Annawan | IL | — | ◇ UNVERIFIED |
| CICil Isotope Separations, INC. (0829100409) | Xenia | OH | — | ◇ UNVERIFIED |
| CCClariant Corporation | Kern County | CA | — | ◇ UNVERIFIED |
| CEClean Energy S-21072 | Romeoville | IL | — | ◇ UNVERIFIED |
| CEClean Energy S-21076 | Penns Grove | NJ | — | ◇ UNVERIFIED |
| CEClean Energy Systems Kimberlina, INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
| CLCnty Line Clnr Svc | Huntingdon Valley | PA | — | ◇ UNVERIFIED |
| COCoastal Oyster Creek Ammonia Chemical Plant | Freeport | TX | — | ◇ UNVERIFIED |
| CCCoastline Chemical INC | New Church | VA | — | ◇ UNVERIFIED |
| CIColorado Interstate Gas Resources Compan | Cheyenne Wells | CO | — | ◇ UNVERIFIED |
| CCColusa County Farm Supply, INC | Williams | CA | — | ◇ UNVERIFIED |
| CFConagra Fertilizer | Hastings | NE | — | ◇ UNVERIFIED |
| CCContinental Carbonic-denison | Denison | IA | — | ◇ UNVERIFIED |
| CCContinental Carbonic-el Dorado | El Dorado | AR | — | ◇ UNVERIFIED |
| CCContinental Carbonic Products | El Dorado | AR | — | ◇ UNVERIFIED |
| CCContinental Carbonic Products - Bridgeport Tx | Bridgeport | TX | — | ◇ UNVERIFIED |
| CCContinental Carbonic Products, INC. | Denison | IA | — | ◇ UNVERIFIED |
| CCContinental Carbonic Products Inc.-clearfield | Clearfield | PA | — | ◇ UNVERIFIED |
