The Maine 100
Portland Monthly's trademarked list of the top 100 businesses headquartered in Maine is presented. Dun & Bradstreet (Hoover's) provided the data which was used for compiling the list. The list is based on 2014 gross revenues.
Livada, Evan and Hoover's/Dun & Bradstreet, "The Maine 100" (2015). Maine News Index – Portland Monthly. 1921.