- AES
- AES Clean Energy Development
- American Electric Power Foundation
- Appalachian Voices
- Arizona Sustainability Alliance
- Baltimore Gas & Electric
- Berkshire Gas – Avangrid
- BP America Inc.
- Bob Moran Charitable Giving Fund
- Cape Light Compact–Massachusetts
- Celanese Foundation
- Central Alabama Electric Cooperative
- The City of Cuyahoga Falls
- Clean Virginia
- CLEAResult
- ComEd
- Confluence
- ConocoPhillips
- Constellation
- Delmarva Power and Light
- Department of Education and Early Childhood Development – Government of New Brunswick, Canada
- Dominion Energy, Inc.
- Dominion Energy Charitable Foundation
- DonorsChoose
- East Baton Rouge Parish Schools
- East Kentucky Power Cooperative
- EcoCentriNow
- EDP Renewables
- EduCon Educational Consulting
- Enel Green Power North America
- ENGIE
- Entergy
- Equinix
- Eversource
- Exelon
- Exelon Foundation
- Foundation for Environmental Education
- FPL
- Generac
- Georgia Power
- Gerald Harrington, Geologist
- Government of Thailand–Energy Ministry
- Greater New Orleans STEM
- Green Power EMC
- Guilford County Schools–North Carolina
- Honeywell
- Iowa Governor’s STEM Advisory Council – Scale Up
- Iowa Lakes Community College
- Iowa State University
- Illinois Clean Energy Community Foundation
- Illinois International Brotherhood of Electrical Workers Renewable Energy Fund
- Independent Petroleum Association of New Mexico
- Kansas Corporation Commission
- Katy Independent School District
- Kentucky Environmental Education Council
- Kentucky Office of Energy Policy
- Kentucky Power–An AEP Company
- Liberty Utilities
- Llano Land and Exploration
- Louisiana State Energy Office
- Louisiana State University – Agricultural Center
- LUMA
- Marshall University
- Mercedes-Benz USA
- Minneapolis Public Schools
- Mississippi Development Authority–Energy Division
- Motus Experiential
- National Fuel
- National Grid
- National Hydropower Association
- National Ocean Industries Association
- National Renewable Energy Laboratory
- NC Green Power
- Nebraskans for Solar
- NextEra Energy Resources
- Nicor Gas
- NCi – Northeast Construction
- North Shore Gas
- Offshore Technology Conference
- Ohio Energy Project
- Oklahoma Gas and Electric Energy Corporation
- Omaha Public Power District
- Ormat
- Pacific Gas and Electric Company
- PECO
- Peoples Gas
- Pepco
- Performance Services, Inc.
- Permian Basin Petroleum Museum
- Phillips 66
- PowerSouth Energy Cooperative
- Prince George’s County (MD) – Human Resource Management
- Prince George’s County (MD) – Office of Central Services, Sustainable Energy
- Providence Public Schools
- Quarto Publishing Group
- The Rapha Foundation
- Renewable Energy Alaska Project
- Rhoads Energy
- Rhode Island Office of Energy Resources
- Salal Foundation/Salal Credit Union
- Salt River Project
- Salt River Rural Electric Cooperative
- Schneider Electric
- C.T. Seaver Trust
- Secure Futures, LLC
- Shell
- Shell Carson
- SMUD
- Society of Petroleum Engineers
- South Carolina Energy Office
- Southern Company Gas
- Snohomish County PUD
- SunTribe Solar
- United Way of Greater Philadelphia and Southern New Jersey
- Unitil
- University of Iowa
- University of Louisville
- University of North Carolina
- University of Northern Iowa
- University of Rhode Island
- U.S. Department of Energy
- U.S. Department of Energy–Office of Energy Efficiency and Renewable Energy
- U.S. Department of Energy – Solar Decathlon
- U.S. Department of Energy – Water Power Technologies Office
- U.S. Department of Energy–Wind for Schools
- U.S. Energy Information Administration
- United States Virgin Islands Energy Office
- Virginia Cooperative Extension
- We Care Solar
- West Virginia Office of Energy
- West Warwick Public Schools
