Mainebiz

V O L . X X X I N O. X X I X 22 BO O K O F L I S T S 2 0 2 6 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 Company Maine employees/ Maine offices Total employees/ total offices Type of business Woman owner(s)/ percent ownership/ year founded 1 Hancock Lumber 1267 Poland Spring Road, Casco 04015 627-4201 • hancocklumber.com 664 17 739 20 Pine manufacturer and building materials supplier Abby Doherty Alison Hancock Carol Hancock Sydney Hillman 64 % 1848 2 MERT Enterprises 233 Bomarc Road, Bangor 04401 942-4585 • mertenterprises.org 145 1 145 1 Supportive living for adults with intellectual disabilities and autism Mary Rush 100 % 1992 3 SaviLinx 74 Orion St., Brunswick 04011 607-4433 • savilinx.com 80 1 500 3 Contact center and business process outsourcing (BPO) Heather D. Blease 95 % 2013 4 Auburn Manufacturing Inc. 34 Walker Road, Mechanic Falls 04256 402-3838 • auburnmfg.com 60 2 60 2 Manufacturer of textiles to protect against fire and extreme heat Kathie Leonard 100 % 1979 5 Standard Waterproofing Inc. 1020 Augusta Road, Winslow 04901 872-5552 • standard-waterproofing.com 50 1 50 1 Construction specialty subcontractor Theresa Thompson 94 % 1984 6 Hay Runner 446 West St., Rockport 04856 605-2055 • hayrunner.com 45 2 45 2 Real estate, architecture & design, general contracting & construction services Shannon Richards 100 % 2019 7 MaineWorks LLC 494 Forest Ave., Portland 04101 415-3585 • maineworks.us 40 2 50 3 Social staffing for industrial construction Margo Walsh 100 % 2011 8 Champoux Insurance Group 150 East Ave., Lewiston 04240 783-2246 • maineinsuranceonline.com 37 6 37 6 Independent insurance agency Diane Champoux 100 % 1954 8 Dean & Allyn Inc. 116 Lewiston Road, Gray 04039 657-5646 • deanandallyn.com 37 1 37 1 Family-owned and operated professional fire protection sprinkler contractor Peggy Stewart Marissa Stewart Katherine Stewart 65 % 1995 10 ASK…for Home Care P.O. Box 389, 641 St. George Road, South Thomaston 04858 354-7077 • askforhomecare.com 35 1 35 1 Home health agency Joanne Miller Jodie Heal 100 % 1982 10 H.E. Callahan Construction Co. 2664 Turner Road, Auburn 04212 784-6927 • hecallahan.com 35 1 35 1 General construction, design build, construction and property management Christine Kendall 100 % 1948 12 Reform Physical Therapy 190 Pleasant St., Brunswick 04011 844-8053 • reform-pt.com 34 7 34 7 Physical therapy for individuals in pain, injured or recovering from surgery Jill Partridge 100 % 2016 13 Swanson Group LLC 838 Main St., Westbrook 04092 370-3490 • yourmainecpa.com 30 1 30 1 Tax firm serving small businesses and general consumers Tabitha Swanson 100 % 2011 14 KMA Human Resources Consulting 251 U.S. Route 1, Falmouth 04105 781-6460 • kmahr.com 29 1 34 1 Human resources consulting, compensation consulting and recruiting Kim Anania 100 % 2007 15 O&P Glass 140 Capitol St., Augusta 04330 622-3448 • opglass.com 28 1 28 1 Residential and commercial with auto glass & storefront installation Soo Parkhurst 51 % 1978 16 MacDonald Pet Care 1 880 Ohio St., Bangor 04401 378-1118 • cardenkennels.com 26 2 26 2 Pet care facilities with boarding, daycare, outdoor adventures and grooming Janet Blanchard 100 % 1973 17 Ganneston Construction Corp. 3025 N. Belfast Ave., Augusta 04330 621-8505 • gannestonconstruction.com 25 1 25 1 Historical renovator, construction manager and design builder Stacey Morrison 100 % 1963 17 Rinck Advertising Inc. 113 Lisbon St., Lewiston 04240 755-9470 • rinckadvertising.com 25 1 40 1 Full-service marketing and advertising agency Laura Rinck 51 % 2001 19 Credere Associates LLC 776 Main St., Westbrook 04092 828-1272 • crederellc.com 23 1 1 Environmental consulting and engineering Theresa Patten 55 % 2007 19 Juniper Design + Build LLC 2 Island Ave., Portland 04108 766-5919 • juniperdesignbuild.com 23 1 23 1 Design and build home construction with energy efficiency and green construction practices Rachel Conly Heather Thompson 90 % 2022 SOURCE: Each company via survey. 1 Includes Carden Kennels in Bangor and Uncommon Dog in Holden - This list was compiled by Heide Martin and published in the Aug. 11, 2025, issue of Mainebiz. 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 Assessments Gray 1983 11 Standard Waterproofing Inc. Winslow 1984 12 Burgess Advertising & Marketing Portland 1986 13 Planson International New Gloucester 1989 14 Marshall Communications Portland 1991 15 MERT Enterprises Bangor 1992 16 County Environmental Engineering Inc. Caribou 1992 17 Words@Work Inc. Portland 1993 18 Isamax Snacks Inc. dba Wicked Whoopies Gardiner 1994 19 Birchbrook Bangor 1994 20 Dean & Allyn Inc. Gray 1995 1 Includes Carden Kennels in Bangor and Uncommon Dog in Holden. 2 Only companies that responded to the Mainebiz survey were considered for this ranking. This list was compiled by Heide Martin and published in the Aug. 11, 2025, issue of Mainebiz. S O U R C E : Each company via survey.

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