| Southern Fuel Cell Coalition | AL |
| Mountain States Hydrogen Business Council | AZ |
| California Fuel Cell Partnership | CA |
| California Hydrogen Business Council | CA |
| California Stationary Fuel Cell Collaborative | CA |
| Mountain States Hydrogen Business Council | CO |
| National Renewable Energy Laboratory | CO |
| Clean Energy States Alliance (CESA) | CT |
| Connecticut Clean Energy Fund | CT |
| Connecticut Hydrogen Fuel Cell Coalition | CT |
| Maine Hydrogen Energy Center | CT |
| Northeast Hydrogen Alliance (NeHA) | CT |
| Public Fuel Cell Alliance | CT |
| Public Fuel Cell Alliance | DE |
| Florida Department of Environmental Protection | FL |
| Florida Hydrogen Business Partnership | FL |
| Florida Hydrogen Initiative | FL |
| Hydrogen Technology Education Consortium for the South (HyTEC) | FL |
| Southern Fuel Cell Coalition | FL |
| Hydrogen Technology Education Consortium for the South (HyTEC) | GA |
| Southern Fuel Cell Coalition | GA |
| Upper Midwest Hydrogen Initiative | IA |
| Clean Energy States Alliance (CESA) | IL |
| Southern Fuel Cell Coalition | KY |
| Southern Fuel Cell Coalition | LA |
| Clean Energy States Alliance (CESA) | MA |
| Maine Hydrogen Energy Center | MA |
| Massachusetts Hydrogen Coalition, Inc. | MA |
| Northeast Hydrogen Alliance (NeHA) | MA |
| Public Fuel Cell Alliance | MA |
| Upper Midwest Hydrogen Initiative | MB |
| Mid-Atlantic Hydrogen Coalition | MD |
| Virginia Clean Cities | MD |
| Virginia-Maryland Hydrogen Technology Education Center (H2TEC) | MD |
| Maine Hydrogen Energy Center | ME |
| Northeast Hydrogen Alliance (NeHA) | ME |
| NextEnergy | MI |
| Clean Energy States Alliance (CESA) | MN |
| Upper Midwest Hydrogen Initiative | MN |
| Southern Fuel Cell Coalition | MS |
| Hydrogen Technology Education Consortium for the South (HyTEC) | NC |
| Southern Fuel Cell Coalition | NC |
| Red River Valley Research Corridor | ND |
| Upper Midwest Hydrogen Initiative | ND |
| Maine Hydrogen Energy Center | NH |
| Northeast Hydrogen Alliance (NeHA) | NH |
| Clean Energy States Alliance (CESA) | NJ |
| Mid-Atlantic Hydrogen Coalition | NJ |
| New Jersey Hydrogen Learning Center | NJ |
| Public Fuel Cell Alliance | NJ |
| Mountain States Hydrogen Business Council | NM |
| Mountain States Hydrogen Business Council | NV |
| Clean Energy States Alliance (CESA) | NY |
| Hudson Valley Clean Communities Coalition | NY |
| Maine Hydrogen Energy Center | NY |
| New York State Hydrogen Energy Vision and Roadmap | NY |
| Northeast Hydrogen Alliance (NeHA) | NY |
| Clean Energy States Alliance (CESA) | OH |
| Ohio Fuel Cell Coalition | OH |
| Ohio Fuel Cell Supply Chain Project | OH |
| Public Fuel Cell Alliance | OH |
| Clean Energy States Alliance (CESA) | OR |
| Clean Energy States Alliance (CESA) | PA |
| Mid-Atlantic Hydrogen Coalition | PA |
| Public Fuel Cell Alliance | PA |
| Virginia Clean Cities | PA |
| West Penn Power Sustainable Energy Fund | PA |
| Clean Energy States Alliance (CESA) | RI |
| Public Fuel Cell Alliance | RI |
| Fuel Cell South | SC |
| Hydrogen Technology Education Consortium for the South (HyTEC) | SC |
| South Carolina Hydrogen and Fuel Cell Alliance | SC |
| South Carolina Next Energy Initiative | SC |
| Southern Fuel Cell Coalition | SC |
| Upper Midwest Hydrogen Initiative | SD |
| East Tennessee Hydrogen Initiative | TN |
| Southern Fuel Cell Coalition | TN |
| Fuel Cells Texas | TX |
| Southern Fuel Cell Coalition | TX |
| Texas Hydrogen Coalition | TX |
| National Hydrogen Association | USA |
| U.S. Department of Energy | USA |
| U.S. Department of Energy State Energy Alternatives (policy and technology options) | USA |
| U.S. Fuel Cell Council | USA |
| Mountain States Hydrogen Business Council | UT |
| Mid-Atlantic Hydrogen Coalition | VA |
| Southern Fuel Cell Coalition | VA |
| Virginia Clean Cities | VA |
| Virginia-Maryland Hydrogen Technology Education Center (H2TEC) | VA |
| Maine Hydrogen Energy Center | VT |
| Northeast Hydrogen Alliance (NeHA) | VT |
| Northwest Hydrogen Alliance | WA |
| Clean Energy States Alliance (CESA) | WI |
| Upper Midwest Hydrogen Initiative | WI |
