| GRGolden Refrigerant | Lincoln Park | MI | — | ◇ UNVERIFIED |
| GGGranger Gas Plant | Sweetwater | WY | — | ◇ UNVERIFIED |
| GWGreat Western Ethanol, LLC | Evans | CO | — | ◇ UNVERIFIED |
| GSGreentree Spray Technologies LLC | Seaford | DE | — | ◇ UNVERIFIED |
| GGro-power | Chino | CA | — | ◇ UNVERIFIED |
| GUGround Up Soil LLC | Scio | OR | — | ◇ UNVERIFIED |
| GPGrowth Products L.t.d. | White Plains | NY | — | ◇ UNVERIFIED |
| GPGrowth Products LTD. | White Plains | NY | — | ◇ UNVERIFIED |
| GWGrow West | Maxwell | CA | — | ◇ UNVERIFIED |
| GFGuadalupe Franco | Perris | CA | — | ◇ UNVERIFIED |
| GCGulf Coast Ammonia | Texas City | TX | — | ◇ UNVERIFIED |
| HSHarmony Shenandoah Valley LLC | Harrisonburg | VA | — | ◇ UNVERIFIED |
| HFHarrell's Fertilizer INC. | Sylacauga | AL | — | ◇ UNVERIFIED |
| HEHavana Ethanol LLC | Havana | IL | — | ◇ UNVERIFIED |
| HCHeirloom Carbon Technologies -tracy | Tracy | CA | — | ◇ UNVERIFIED |
| HPHelium Purification and Liquefaction Facility | Sublette | WY | — | ◇ UNVERIFIED |
| HFHenry Fork Plant Production Facility | Uinta | WY | — | ◇ UNVERIFIED |
| HRHenry Renewable Fuels LLC | Henry | IL | — | ◇ UNVERIFIED |
| HJHep Javelina Smr | Corpus Christi | TX | — | ◇ UNVERIFIED |
| HRHereford Renewable Energy, LLC | Hereford | 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 |
| HDHigh Desert Organix LLC | Madras | OR | — | ◇ UNVERIFIED |
| HPHigh Plains Corporation | York | NE | — | ◇ UNVERIFIED |
| HPHigh Plains Renewable Energy, LLC | Log Lane Village, 4.2 Mi Sw of | CO | — | ◇ UNVERIFIED |
| HBHill Brothers Chemical Company | La Verne | CA | — | ◇ UNVERIFIED |
| HIHocking International Laboratories, LLC | Pipestone | MN | — | ◇ UNVERIFIED |
| HGHoneybear Growers | Brewster | WA | — | ◇ UNVERIFIED |
| HEHoneywell El Segundo Erd Treatment System | Manhattan Beach | CA | — | ◇ UNVERIFIED |
| HIHoneywell - International Medical Products | Kingman | AZ | — | ◇ UNVERIFIED |
| HHtec | Woodside | CA | — | ◇ UNVERIFIED |
| HCHub City Energy | Watertown | SD | — | ◇ UNVERIFIED |
| HCHub City Energy LLC | Aberdeen | SD | — | ◇ UNVERIFIED |
Hudson Technologies CO | Champaign | IL | — | ◇ UNVERIFIED |
Hudson Technologies CO | Nashville | TN | — | ◇ UNVERIFIED |
Hudson Technologies Company | Catano | PR | — | ◇ UNVERIFIED |
Hudson Technologies INC | Escondido | CA | — | ◇ UNVERIFIED |
Hudson Technologies INC | Stony Point | NY | — | ◇ UNVERIFIED |
| HPHumates Plant | Cuba | NM | — | ◇ UNVERIFIED |
| HFHutchinson Fertilizer LLC | Hutchinson | KS | — | ◇ UNVERIFIED |
| HCHynite Corporation | Oak Creek | WI | — | ◇ 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 |
| IOIacx Otis Helium Plant | Otis | KS | — | ◇ UNVERIFIED |
| INIb Nitrogen INC | Bucks | AL | — | ◇ UNVERIFIED |
| IAIcl Adel | Adel | GA | — | ◇ UNVERIFIED |
| IIIcm, INC. | Casselton | ND | — | ◇ UNVERIFIED |
| IEIdaho Ethanol Processing | Caldwell | ID | — | ◇ UNVERIFIED |
| ICIllini Cropland and Energy LLC | Grayville | IL | — | ◇ UNVERIFIED |
| IEIllini Ethanol LLC | Royal | IL | — | ◇ UNVERIFIED |
| IVIllinois Valley Ethanol LLC | Dwight | IL | — | ◇ UNVERIFIED |
| IGIndustrial Gas Distributors | Billings | MT | — | ◇ UNVERIFIED |
| IGIndustrial Gases INC | Pago Pago | AS | — | ◇ UNVERIFIED |
| ICInentec Columbia Ridge Gasification Facility | Arlington | OR | — | ◇ UNVERIFIED |
| IEInland Empire Regional Composting Author | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| ITInland Terminal, LLC | Woodland | CA | — | ◇ UNVERIFIED |
| IAInnovative Alliance | Vista | CA | — | ◇ UNVERIFIED |
| ILInspirtec LLC | Versailles | OH | — | ◇ UNVERIFIED |
| INInvenergy Nelson LLC | Rock Falls | IL | — | ◇ UNVERIFIED |
| IFIowa Fertilizer Company | Wever | IA | — | ◇ UNVERIFIED |
| JIJenavalve INC | Irvine | CA | — | ◇ UNVERIFIED |
| JMJ & M Cylinder Gases INC | Decatur | AL | — | ◇ UNVERIFIED |
| JTJohn Taylor Fertilizers Company, INC - Twin Cities | Elk Grove | CA | — | ◇ UNVERIFIED |
| JSJ.r. Simplot Company | Lathrop | CA | — | ◇ UNVERIFIED |
| JSJ.r. Simplot Company - Lathrop | Truckee | CA | — | ◇ UNVERIFIED |
| KRKankakee Renewable Energy LLC | Kankakee | IL | — | ◇ UNVERIFIED |
| KGKellogg Garden Products | Lockeford | CA | — | ◇ UNVERIFIED |
| KGKellogg Garden Products | Ontario | CA | — | ◇ UNVERIFIED |
| K5Kentucky 5 Star Energy LLC | Robards | KY | — | ◇ UNVERIFIED |
| KHKentucky Helium Producers LLC | Lancaster | KY | — | ◇ UNVERIFIED |
| KAKoch Agronomic Services Llc- | Saint Louis | MO | — | ◇ UNVERIFIED |
| KNKoch Nitorgen Location Spill Clean Up By Ge Water & Process Technologies | Enid | OK | — | ◇ UNVERIFIED |
| KNKoch Nitrogen | Enid | OK | — | ◇ UNVERIFIED |
| KNKoch Nitrogen Company - Fort Dodge | Fort Dodge | IA | — | ◇ UNVERIFIED |
| KNKoch Nitrogen Company, LLC - Marshalltown Terminal | Marshalltown | IA | — | ◇ UNVERIFIED |
| KCKodiak Carbonic LLC | Boardman | OR | — | ◇ UNVERIFIED |
| KPKopro Processing Facility | Livingston | CA | — | ◇ UNVERIFIED |
| KKugler | Rapid City | SD | — | ◇ UNVERIFIED |
| KOKugler Oil Company - Udf | Ulysses | KS | — | ◇ UNVERIFIED |
| LGLandfill Gas Refining Facility | Humacao | PR | — | ◇ UNVERIFIED |
| LGLaporte Generating Station | La Porte | TX | — | ◇ UNVERIFIED |
| LFLawnhurst Farms | Stanley | NY | — | ◇ UNVERIFIED |
| LCLenroc CO | Ephrata | WA | — | ◇ UNVERIFIED |
| LGLight Gas CORP. | Aguada | PR | — | ◇ UNVERIFIED |
| LTLincoln Terminal Facility | Birmingham | AL | — | ◇ UNVERIFIED |
| LLinde | Blackstone | IL | — | ◇ UNVERIFIED |
| LLinde | Fort Worth | TX | — | ◇ UNVERIFIED |