V O L . X X X N O. X X I X
22
BO O K O F L I S T S 2 0 2 5
C O R P O R AT E | P R I VAT E
Maine's largest woman-owned businesses
Ranked by number of Maine employees
ALTERNATE RANKING:
OLDEST WOMAN-OWNED COS.
2
Year
founded
1 Hancock Lumber
Casco
1848
2 H.E. Callahan
Construction Co.
Auburn
1948
3 Champoux Insurance
Group
Lewiston
1954
4 Ganneston
Construction Corp.
Augusta
1963
5 F.C. Work & Sons Inc.
Jackson
1970
6 MacDonald Pet Care
Bangor
1973
7 O & P Glass
Augusta
1978
8 Auburn Manufacturing
Inc.
Mechanic Falls
1979
9 ASK…for Home Care
South Thomaston
1982
10 MRG Inc.
Portland
1983
11 Standard
Waterproofing Inc.
Winslow
1984
12 Burgess Advertising &
Marketing
Falmouth
1986
13 Planson International
New Gloucester
1989
14 Marshall
Communications
Augusta
1991
15 MERT Enterprises
Bangor
1992
16 Grampa's Garden Inc.
Topsham
1993
17 Birchbrook
Bangor
1994
18 Dean & Allyn Inc.
Gray
1995
19 EnviroTech
Associates Inc
Falmouth
1997
1 An additional location in Rockport from the acquisition of Phi Builders + Architects, which was also woman-owned.
2 Includes Carden Kennels in Bangor and Uncommon Dog in Holden
This list was compiled by Heide Martin and updated since publication in the Aug. 5, 2024, issue of Mainebiz.
N O T E : N/A = not available or not applicable.
S O U R C E : Each company via survey.
