Maine's Largest Chambers of Commerce
“The List” of Maine’s largest chambers of commerce, ranked by membership as of January 2014. The five largest out of the ten listed are, in descending order: Maine State Chamber of Commerce, Augusta; Androscoggin County Chamber of Commerce, Lewiston; Portland Regional Chamber of Commerce, Portland; Penobscot Bay Regional Chamber of Commerce, Camden; and Bangor Region Chamber of Commerce, Bangor.
Chambers of commerce
Magnus, Roger, "Maine's Largest Chambers of Commerce" (2014). Maine News Index – MaineBiz. 6088.