| DBDexter Biogas Facility | Dexter | NM | — | ◇ UNVERIFIED |
| DCDiversified Cpc International INC. | Sebring | FL | — | ◇ UNVERIFIED |
| DCDiversified Cpc International INC. | Sparta | NJ | — | ◇ UNVERIFIED |
| DCDouglas CO Pud Lincoln Rock Substation | East Wenatchee | WA | — | ◇ UNVERIFIED |
| DIDry Ice CORP. | Bronx | NY | — | ◇ UNVERIFIED |
| DIDry Ice of Pennsylvania, LLC | Pittsburgh | PA | — | ◇ UNVERIFIED |
| DPDupont Performance Elastomers (dpe) Louisville | Louisville | KY | — | ◇ UNVERIFIED |
| EAE and J Shutters and Blinds INC | Corona | CA | — | ◇ UNVERIFIED |
| ELEarthly Labs LLC | Austin | TX | — | ◇ UNVERIFIED |
| ECEast Coast Hydrotesting, INC Dba East Coast Medica | Wilmington | NC | — | ◇ UNVERIFIED |
| EOEast Oak Rng Plant | Oklahoma City | OK | — | ◇ UNVERIFIED |
| EPEast Painter Facility | Uinta | WY | — | ◇ UNVERIFIED |
| EVEast Valley Development, LLC | Declo | ID | — | ◇ UNVERIFIED |
| EVEast Vealmoor Gas Plant | Coahoma | TX | — | ◇ UNVERIFIED |
| EIEdx Industry INC | Houston | TX | — | ◇ UNVERIFIED |
| EEEffective Environmental - Pasadena Facility | Pasadena | TX | — | ◇ UNVERIFIED |
| EDE.i Dupont De Nemours and Company | Wilmington | DE | — | ◇ UNVERIFIED |
| EDE.i. Dupont Denemours Incorporated Chambers Works | Deepwater | NJ | — | ◇ UNVERIFIED |
| EHElectric Hydrogen | San Carlos | CA | — | ◇ UNVERIFIED |
| EHElectric Hydrogen | San Jose | CA | — | ◇ UNVERIFIED |
Electronic Fluorocarbons, LLC - Hatfield | Hatfield | PA | — | ◇ UNVERIFIED |
| EBElk Basin Gas Plant | Park | WY | — | ◇ UNVERIFIED |
| ECEpco Carbon Dioxide Products | Beatrice | NE | — | ◇ UNVERIFIED |
| EIEtch, INC. | Baltimore City | MD | — | ◇ UNVERIFIED |
Ferrotec (usa) Corporation/temescal Division | Livermore | CA | — | ◇ UNVERIFIED |
| FIFfi Ionix | Dover | DE | — | ◇ UNVERIFIED |
| FEFirst Element Fiel INC | Campbell | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel | Aliso Viejo | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel | Beverly Hills | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel | Mission Hills | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel | Placentia | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel | Fountain Valley | CA | — | ◇ UNVERIFIED |
| FEFirst Element Fuel INC | Santa Monica | CA | — | ◇ UNVERIFIED |
| FEFirst Element Fuel INC | Sherman Oaks | CA | — | ◇ UNVERIFIED |
| FEFirst Element Fuel INC | Redwood City | CA | — | ◇ UNVERIFIED |
| FEFirst Element Fuel INC | Irvine | CA | — | ◇ UNVERIFIED |
| FEFirst Element Fuel INC | Sunnyvale | CA | — | ◇ UNVERIFIED |
| FEFirst Element Fuel INC | Oakland | CA | — | ◇ UNVERIFIED |
| FEFirst Element Fuel INC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Cupertino | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Baldwin Park | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Oakland | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Oakland | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Pasadena | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | San Jose | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Studio City | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Palo Alto | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Anaheim | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | San Diego | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Orange | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Burbank | CA | — | ◇ UNVERIFIED |
| FFFirstelement Fuel INC | Livermore | CA | — | ◇ UNVERIFIED |
| FEFlint East Boulevard Former Mgp Site | Flint | MI | — | ◇ UNVERIFIED |
| FEFound Energy CO | Charlestown | MA | — | ◇ UNVERIFIED |
| FCFremont Comm Digester LLC | Fremont | MI | — | ◇ UNVERIFIED |
| FEFr Environmental, LLC | Finchville | KY | — | ◇ UNVERIFIED |
| GCGardeau Crest Rng | Perry | NY | — | ◇ UNVERIFIED |
| GHGaspro Honolulu | Honolulu | HI | — | ◇ UNVERIFIED |
| GCGateway Cylinder Technologies, LLC | Highland | IL | — | ◇ UNVERIFIED |
| GIGeneron Igs Pittsburg Ca | Pittsburg | CA | — | ◇ UNVERIFIED |
| GDGeorge Deruyter and Sons Dairy | Outlook | WA | — | ◇ UNVERIFIED |
| GOGltn Opco LLC - Timberlane Rng Plant | Oakdale | LA | — | ◇ UNVERIFIED |
| GRGolden Refrigerant | Lincoln Park | MI | — | ◇ UNVERIFIED |
| GRGolden Refrigerant | Livonia | MI | — | ◇ UNVERIFIED |
| GGGranger Gas Plant | Sweetwater | WY | — | ◇ UNVERIFIED |
| GSGreentree Spray Technologies LLC | Seaford | DE | — | ◇ UNVERIFIED |
| GCGulf Coast Ammonia | Texas City | TX | — | ◇ UNVERIFIED |
| HCHeirloom Carbon Technologies -tracy | Tracy | CA | — | ◇ UNVERIFIED |
| HPHelium Purification and Liquefaction Facility | Sublette | WY | — | ◇ UNVERIFIED |
| HFHenry Fork Plant Production Facility | Uinta | WY | — | ◇ UNVERIFIED |
| HJHep Javelina Smr | Corpus Christi | TX | — | ◇ UNVERIFIED |
| HIHfs-ca-ana001 Iwatani | Anaheim | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-cor0001 Iwatani | Corona | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-hwg0001 Iwatani | Hawaiian Gardens | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-lmr0001 Iwatani | La Mirada | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-mtv0001 Iwatani | Mountain View | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-rvs0001 Iwatani | Riverside | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-sjc0001 Iwatani | San Juan Capistrano | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-slb0001 Iwatani | Seal Beach | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-srm0001 Iwatani | San Ramon | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-sta0001 Iwatani | Santa Ana | CA | — | ◇ UNVERIFIED |
| HIHfs-ca-wsc0001 Iwatani | West Sacramento | CA | — | ◇ UNVERIFIED |
| HLHidrogenii, LLC | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| HBHill Brothers Chemical Company | La Verne | CA | — | ◇ UNVERIFIED |
| HEHoneywell El Segundo Erd Treatment System | Manhattan Beach | CA | — | ◇ UNVERIFIED |
| HIHoneywell - International Medical Products | Kingman | AZ | — | ◇ UNVERIFIED |
| HHtec | Woodside | CA | — | ◇ UNVERIFIED |
Hudson Technologies CO | Nashville | TN | — | ◇ UNVERIFIED |
Hudson Technologies CO | Champaign | IL | — | ◇ UNVERIFIED |
Hudson Technologies Company | Catano | PR | — | ◇ UNVERIFIED |
Hudson Technologies INC | Stony Point | NY | — | ◇ UNVERIFIED |
Hudson Technologies INC | Escondido | CA | — | ◇ UNVERIFIED |
| IRIacenergy - Rithie Station (helium Recovery) | Ford | KS | — | ◇ UNVERIFIED |
| IEIacx Energy - Burdett Facility (helium Recov) (flare) | Burdett | KS | — | ◇ UNVERIFIED |
| IEIacx Energy - Otis Station | Otis | KS | — | ◇ UNVERIFIED |
| IEIacx Energy - Otis T Station (air) | Otis | KS | — | ◇ UNVERIFIED |
| IEIacx Energy - Peak Facility | Belpre | KS | — | ◇ UNVERIFIED |