Maine's Largest Chambers of Commerce.
"The List" of Maine's largest chambers of commerce, ranked by membership as of January 2013. The five largest out of the eleven 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.
Magnus, Roger, "Maine's Largest Chambers of Commerce." (2013). Maine News Index – MaineBiz. 5893.
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