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Largest Industrial & Mechanical Companies in Maine (2026)

Factur's directory lists 51,077 industrial & mechanical companies in Maine. These are the 10 largest of them by annual revenue, led by Macy's Inc ($21.6B), Toms Of Maine ($10B) and The Jackson Laboratory ($1B).

Size mix: of the 51,072 with a known headcount, 97.6% have 1-50 employees, 1.9% 51-200, 225 companies 201-1000, 15 companies 1001-5000 and 4 companies 5001+. 57 employ more than 500 people.

The 10 largest industrial & mechanical companies in Maine by annual revenue

#CompanyCityEmployeesAnnual revenue
1Macy's IncPoland89,480$21.6B
2Toms Of MaineKennebunk250$10B
3The Jackson LaboratoryBar Harbor222$1B
4The Jackson LaboratoryBar Harbor3,000$630M
5University of Maine SystemOrono5,000$455M
6Debra Achramowicz CPA, PAWaterville2,259$414M
7University of New EnglandBiddeford60$388M
8Scarborough Welfare DivisionScarborough530$373M
9District 19, United States Power SquadronsWalpole241$347M
10Eastern Maine LawBangor2,920$347M

How this list is ranked

Companies are ranked by annual revenue (USD) as recorded on each company's profile in the Factur directory, highest first; companies with the same revenue are ordered by employee count. Only companies with a positive revenue figure on file are ranked, so a large private company with no reported revenue can be missing. The list covers companies whose record places them in Maine and whose Factur industry is Industrial & mechanical. Figures are a snapshot of the directory, refreshed when the rankings are regenerated; open a profile for its current data.