- 317 Main Community Music Center
- Association of State Wetlands Managers
- Avesta Housing
- Brunswick-Topsham Land Trust
- City of Auburn
- City of Augusta
- City of Lewiston
- City of Lewiston – Economic Development Department
- City of Portland
- City of Portland – Sustainability Office
- City of Sanford
- City of South Portland
- City of South Portland – Economic Development Department
- City of Westbrook
- Cumberland County Food Security Council
- Educate Maine
- Eversource Energy
- Food Policy, Greater Portland Council of Governments
- Friends of Katahdin Woods
- Justice Policy Program
- Kennebec Estuary
- Lakes of Maine
- Lewiston Democratic Party
- Lives in the Balance
- Maine Cooperative Extension
- Maine Democratic Party
- Maine Initiatives
- Maine Office of Child and Family Services
- Maine Outdoor Brands
- Maine Turnpike Authority
- New England Environmental Finance Center
- Nibezun
- Office of Governor Janet T. Mills
- Office of Representative Charlotte Warren
- Office of U.S. Senator Susan Collins
- Partners for Peace
- Presumscot Regional Land Trust
- ProsperityME
- Saco City Hall
- Sierra Club
- Soxexo
- Soli DG/CruiseMaine
- Sustainability at the University of Southern Maine
- Town of Falmouth
- Town of Farmington
- Town of Gorham
- Town of Naples
- Town of Old Orchard Beach
- Town of Scarborough
- Town of Wilton
- Town of Windham
- TrainRiders Northeast
- Yarmouth Economic Development