Androscoggin County Chamber of Commerce
The Chamber covers the areas of Auburn, Durham, Greene, Leeds, Lewiston, Lisbon, Livermore, Livermore Falls, Mechanic Falls, Minot, New Gloucester, Poland, Sabattus, Turner and Wales.

Sebago Lakes Region Chamber of Commerce
Serving the communities of Casco, Gray, Naples, Raymond, Sebago, Standish,
and Windham.

Southern Midcoast Maine Chamber of Commerce
Encompasses the communities of Arrowsic, Bath, Bowdoin, Bowdoinham, Brunswick, Dresden, Edgecomb, Georgetown, Harpswell, Phippsburg, Richmond, Topsham, West Bath, Westport Island, Wiscasset and Woolwich.