Healthy Maine Partnership of Greater Waterville Service Area:

- Albion
- Belgrade
- Benton
- China
- Fairfield
- Oakland
- Rome
- Sidney
- Unity Township
- Vassalboro
- Waterville
- Winslow
Greater Somerset Public Health Collaborative Service Area:
- Anson
- Athens
- Bingham
- Canaan
- Caratunk
- Cornville
- Embden
- Harmony

- Jackman
- Madison
- Mercer
- Moscow
- North New Portland
- New Portland
- Norridgewock
- North Anson
- Skowhegan
- Smithfield
- Solon
- Starks
- West Forks
- Wyman Dam
- Unorganized territories of Somerset County
Healthy Communities of the Capital Area Service Area:
- Augusta
- Chelsea
- Farmingdale
- Fayette
- Gardiner
- Hallowell

- Litchfield
- Manchester
- Monmouth
- Mt. Vernon
- Pittston
- Randolph
- Readfield
- Richmond
- Vienna
- Wayne
- West Gardiner
- Windsor
- Winthrop
Sebasticook Valley Healthy Communities Coalition Service Area:
- Cambridge

- Clinton
- Detroit
- Harmony
- Hartland
- Palmyra
- Pittsfield
- Ripley
- St. Albans