| Aidafrica | Non-Governmental Organization | United States |
| Aprovecho Research Center | Non-Governmental Organization | United States |
| Baylor University | Academia | United States |
| Berkeley Air Monitoring Group | Independent Consultant | United States |
| BioLite Stove | Private Industry | United States |
| Biomass Energy Foundation (BEF) | Non-Governmental Organization | United States |
| Bureau of Applied Research in Anthropology, University of Arizona | Academia | United States |
| C-Quest Capital LLC | Carbon Project Developer | United States |
| Canada (Government) | Government | Canada |
| Center for Air Resources Engineering and Science at Clarkson University | Academia | United States |
| Centers for Disease Control and Prevention | Government | United States |
| CHF International | Non-Governmental Organization | United States |
| Colorado State University Engines and Energy Conversion Laboratory (EECL) | Academia | United States |
| Columbia University - Department of Mechanical Engineering | Academia | United States |
| Consulting for Health, Air, Nature, & a Greener Environment (CHANGE) | Independent Consultant | United States |
| Darfur Stoves Project, Technology Innovation for Sustainable Societies | Non-Governmental Organization | United States |
| E+Co | Non-Governmental Organization | United States |
| East-West Center | Non-Governmental Organization | United States |
| EgyDev | Independent Consultant | United States |
| Energy Links Project of the Center for Financial Inclusion at ACCION Intl | Non-Governmental Organization | United States |
| Engineers in Technical and Humanitarian Opportunities of Service (ETHOS) | Non-Governmental Organization | United States |
| Engineers Without Borders | Non-Governmental Organization | United States |
| EnterpriseWorks/VITA | Non-Governmental Organization | United States |
| Envirofit International | Non-Governmental Organization | United States |
| Fabretto Children's Foundation | Non-Governmental Organization | United States |
| Falls Brook Centre | Non-Governmental Organization | Canada |
| Friendly Appropriate Solar Technologies | Non-Governmental Organization | United States |
| Health Effects Institute | Non-Governmental Organization | United States |
| HELPS International | Non-Governmental Organization | United States |
| iENERGY Inc. | Private Industry | United States |
| Impact Carbon | Carbon Project Developer | United States |
| International Lifeline Fund | Non-Governmental Organization | United States |
| International Relief and Development | Non-Governmental Organization | United States |
| Iowa State University- Thermal Systems Virtual Engineering Group | Academia | United States |
| JSI Research & Training Institute, Inc. | Non-Governmental Organization | United States |
| Las Vidas Mejoradas | Non-Governmental Organization | United States |
| Legacy Foundation | Non-Governmental Organization | United States |
| Magnastar Inc. | Private Industry | United States |
| Michigan Technological University | Academia | United States |
| Micro Enterprise Solar Harvest | Non-Governmental Organization | United States |
| National Institute of Environmental Health Sciences | Government | United States |
| Peace Corps | Government | United States |
| Population Services International | Non-Governmental Organization | United States |
| Project Gaia | Independent Consultant | United States |
| Project Surya | Academia | United States |
| Proyecto Mirador | Non-Governmental Organization | United States |
| Renewgen Systems Inc. | Independent Consultant | Canada |
| Resource Efficient Agricultural Production - Canada (REAP - Canada) | Non-Governmental Organization | Canada |
| Rotary Club of Fresno | Non-Governmental Organization | United States |
| RTI International | Non-Governmental Organization | United States |
| San Diego State University | Academia | United States |
| Sierra Club | Non-Governmental Organization | United States |
| SilverCeramicSystems.com | Other Organization Type | United States |
| SNV Laos | Independent Consultant | United States |
| Soil Control Lab | Private Industry | United States |
| Solar Cookers International | Non-Governmental Organization | United States |
| Solar Cookers World Network | Other Organization Type | United States |
| Solar Household Energy,Inc. (SHE) | Non-Governmental Organization | United States |
| Stokes Consulting Group for Dometic AB | Independent Consultant | United States |
| StoverSource has been renamed StoveTec | Private Industry | United States |
| StoveTeam International | Non-Governmental Organization | United States |
| StoveTec | Private Industry | United States |
| Sun Ovens International | Private Industry | United States |
| SunSmile | Non-Governmental Organization | United States |
| Sustainable Harvest International | Non-Governmental Organization | United States |
| T R Miles, Technical Consultants Inc. | Private Industry | United States |
| Tassajara Technologies | Private Industry | United States |
| The Charcoal Project | Independent Consultant | United States |
| The Paradigm Project, L3C | Carbon Project Developer | United States |
| The Seattle Biochar Working Group /aka: SeaChar.Org | Other Organization Type | United States |
| TIST | Non-Governmental Organization | United States |
| Trees, Water & People | Non-Governmental Organization | United States |
| U.S. Department of Health and Human Services, HRSA Center for Quality | Government | United States |
| UN Development Programme (UNDP) | Multilateral | United States |
| United Nations Foundation | Non-Governmental Organization | United States |
| United States Agency for International Development (USAID) | Government | United States |
| United States Department of State | Government | United States |
| United States Environmental Protection Agency (USEPA) | Government | United States |
| University of California, Berkeley - Renewable and Appropriate Energy Laboratory (RAEL) | Academia | United States |
| University of Chicago Global Health Initiative | Academia | United States |
| University of Dayton - ETHOS Program | Academia | United States |
| University of Illinois at Urbana-Champaign | Academia | United States |
| University of Mary Washington Honduras IAP Initiative | Academia | United States |
| USCAM Corporation | Private Industry | United States |
| Winrock International | Non-Governmental Organization | United States |
| Women's Commission for Refugee Women and Children | Non-Governmental Organization | United States |
| World Bank | Multilateral | United States |
| World Lung Foundation | Non-Governmental Organization | United States |