All GNC Locations - Maine
- Auburn
- Augusta
- Bangor
- Belfast
- Bethel
- Biddeford
- Blue Hill
- Boothbay Harbor
- Brewer
- Bridgton
- Brunswick
- Buxton
- Calais
- Caribou
- Cornish
- Damariscotta
- Dover-foxcroft
- Ellsworth
- Fairfield
- Falmouth
- Farmington
- Fryeburg
- Gardiner
- Gorham
- Gray
- Guilford
- Hampden
- Houlton
- Kennebunk
- Lewiston
- Lisbon Falls
- Livermore Falls
- Machias
- Madawaska
- Manchester
- Millinocket
- Milo
- Naples
- Newport
- Oakland
- Old Orchard Beach
- Old Town
- Pittsfield
- Portland
- Presque Isle
- Rockland
- Rumford
- Saco
- Sanford
- Scarborough
- Skowhegan
- South Paris
- South Portland
- Springvale
- Topsham
- Waterville
- Wells
- Westbrook
- Windham
- Winslow
- Winthrop
- Yarmouth
- York