| Augusta | Maine State Chamber of Commerce |
| Augusta | Kennebec Valley Chamber of Commerce |
| Bangor | Bangor Region Chamber of Commerce |
| Bar Harbor | Bar Harbor Chamber of Commerce |
| Belfast | Belfast Area Chamber of Commerce |
| Bethel | Bethel Area Chamber of Commerce |
| Bingham | Upper Kennebec Valley Chamber of Commerce |
| Blue Hill | Blue Hill Peninsula Chamber of Commerce |
| Boothbay | Boothbay Region Info. Center & Chamber of Commerce |
| Boothbay Harbor | Boothbay Harbor Region Chamber of Commerce |
| Bridgton | Greater Bridgton Lakes Region Chamber of Commerce |
| Brunswick | Southern Midcoast Maine Chamber of Commerce |
| Bucksport | Bucksport Bay Area Chamber of Commerce |
| Calais | St. Croix Valley Chamber of Commerce |
| Camden | Penobscot Bay Reg. Chamber of Commerce |
| Caribou | Caribou Area Chamber of Commerce |
| Danforth | Greater East Grand Lake Chamber of Commerce |
| Deer Isle | Deer Isle-Stonington Chamber of Commerce |
| Dover-Foxcroft | Piscataquis Chamber of Commerce |
| Eastport | Eastport Area Chamber of Commerce |
| Ellsworth | Ellsworth Area Chamber of Commerce |
| Farmington | Franklin County Chamber of Commerce |
| Fort Fairfield | Fort Fairfield Chamber of Commerce |
| Fort Kent | Greater Fort Kent Area Chamber of Commerce |
| Freeport | Freeport USA |
| Greenville | Moosehead Lake Chamber of Commerce |
| Hallowell | Hallowell Area Bd. of Trade |
| Houlton | Greater Houlton Chamber of Commerce |
| Jackman | Jackman Moose River Region Chamber of Commerce |
| Kennebunk | Kennebunk-Kennebunkport-Arundel Chamber of Commerce |
| Lewiston | Lewiston Auburn Metropolitan Chamber of Commerce |
| Limestone | Limestone Chamber of Commerce |
| Lincoln | Lincoln Lakes Region Chamber of Commerce |
| Machias | Machias Bay Area Chamber of Commerce |
| Madawaska | St. John Valley Chamber of Commerce |
| Millinocket | Katahdin Area Chamber of Commerce |
| Newcastle | Damariscotta Region Chamber of Commerce |
| Newport | Sebasticook Valley Chamber of Commerce |
| Norridgewock | Norridgewock Area Chamber of Commerce |
| Northeast Harbor | Mount Desert Chamber of Commerce |
| Ogunquit | Ogunquit Chamber of Commerce |
| Old Orchard Beach | Old Orchard Beach Chamber of Commerce |
| Portland | Portland Reg. Chamber of Commerce |
| Presque Isle | Central Aroostook Chamber of Commerce |
| Rangeley | Rangeley Lakes Region Chamber of Commerce |
| Rockland | Penobscot Bay Reg. Chamber of Commerce |
| Rumford | River Valley Chamber of Commerce |
| Saco | Biddeford-Saco Chamber of Commerce & Ind. |
| Sanford | Sanford/Springvale Chamber of Commerce |
| Skowhegan | Skowhegan Area Chamber of Commerce |
| South Paris | Oxford Hills Chamber of Commerce |
| Southwest Harbor | Southwest Harbor & Tremont Chamber of Commerce |
| Union | Union Area Chamber of Commerce |
| Van Buren | Greater Van Buren Chamber of Commerce |
| Waterville | Mid-Maine Chamber of Commerce |
| Wells | Wells Chamber of Commerce |
| West Forks | The Forks Area Chamber of Commerce |
| Whiting | Cobscook Bay Area Chamber of Commerce |
| Windham | Sebago Lakes Region Chamber of Commerce |
| Winter Harbor | Schoodic Area Chamber of Commerce |
| Winthrop | Winthrop Area Chamber of Commerce |
| Yarmouth | Yarmouth Chamber of Commerce |
| York | York Region Chamber of Commerce |