V O L . X X X I N O. X I X
92
Fact Book / Doing Business in Maine
I N N OVAT I O N / R & D
Maine's largest chambers of commerce
Ranked by number of members
C O M P I L E D B Y S T E P H A N I E R . M E A G H E R C O M P I L E D B Y S T E P H A N I E R . M E A G H E R
1 Data from 2024 survey
S O U R C E : Each chamber via survey.
Purchase this list and more
as an Excel document at
mainebiz.biz/DataCenter
@
Maine's largest chambers of commerce
Ranked by number of members
Members Population served Employees Chief executive Year founded
1
Maine State Chamber of Commerce
128 State St., Suite 101, Augusta 04330
623-4568 • mainechamber.org
5,000 1,372,000 12
Patrick Woodcock
president & CEO
1889
2
Portland Regional Chamber of Commerce
93 Exchange St., Portland 04101
772-2811 • portlandregion.com
1,400 260,000 6
Quincy Hentzel
CEO
1854
3
Lewiston Auburn Metropolitan Chamber of Commerce
415 Lisbon St., Lewiston 04240
783-2249 • lametrochamber.com
705 113,765 23
Shanna Cox
president & CEO
1887
4
Kennebec Valley Chamber of Commerce
105 Second St., Suite 1B, Hallowell 04347
623-4559 • kennebecvalleychamber.com
683 85,807 6
Katie Doherty
president & CEO
1932
5
Bangor Region Chamber of Commerce
2 Hammond St., Suite One, Bangor 04401
947-0307 • bangorregion.com
673 120,000 5
Deb Neuman
president & CEO
1911
6
Mid-Maine Chamber of Commerce Inc.
50 Elm St., Waterville 04901
873-3315 • midmainechamber.com
655 72,342 5
Kimberly Lindlof
president & CEO
1912
7
Kennebunk-Kennebunkport-Arundel Chamber of Commerce
16 Water St., Kennebunk 04043
967-0857 • gokennebunks.com
640 20,000 4
Laura Dolce
executive director
1942
8
Ellsworth Area Chamber of Commerce
151 High St., Suite 6, Ellsworth 04605
667-5584 • ellsworthchamber.org
483 56,000 2
PJ Keenan
executive director
1956
9
Belfast Area Chamber of Commerce
33 Main St., Belfast 04915
338-5900 • belfastmaine.org
450 70,000 2
Dorothy Havey
president & CEO
1960
9
Biddeford+Saco Chamber of Commerce & Industry
28 Water St., Suite 1, Biddeford 04005
590-8507 • biddefordsacochamber.org
450 45,000 1
Matt Lewis
executive director
1927
11
Central Aroostook Chamber of Commerce
3 Houlton Road, Presque Isle 04769
764-6561 • centralaroostookchamber.com
400 26,000 2.5
LaNiece Sirois
executive director
1945
12
York Region Chamber of Commerce
1 Stonewall Lane, York 03909
363-4422 • gatewaytomaine.org
388 41,790 5
Holly Roberts
executive director
1898
13
Bath Brunswick Topsham Regional Chamber
2 Pegasus St., Suite 2, Brunswick 04011
725-8797 • midcoastmaine.com
385 64,000 2
Cory R. King
executive director
1994
14
Bar Harbor Chamber of Commerce
93 Cottage St., Bar Harbor 04609
288-5103 • visitbarharbor.com
376 10,000 6
Everal Eaton
executive director
1969
15
Ogunquit Chamber of Commerce
20 Shore Road, Ogunquit 03907
646-2939 • ogunquit.org
325 15,000 3
Alice Pearce
executive director
1966
16
Sebago Lakes Region Chamber of Commerce
1
909 Roosevelt Trail, Suite A, Windham 04062
892-8265 • sebagolakeschamber.com
300 58,000 2
Amber Rankine
president & CEO
1964
17
Boothbay Harbor Region Chamber of Commerce
192 Townsend Ave., Boothbay Harbor 04538
633-2353 • boothbayharbor.com
255 60,000 10
Lisa Walby
director
1962
18
Sanford-Springvale Chamber of Commerce
510 Main St., Springvale 04083
324-4280 • sanfordchamber.org
250 22,000 1
Richard Stanley
president
1954
18
Wells Chamber of Commerce
1
P.O. Box 356, Wells 04090
646-2451 • wellschamber.org
250 12,000 7
Eleanor Vadenais
president & CEO
1958
20
Franklin County Chamber of Commerce
615 Wilton Road, Suite 1, Farmington 04938
778-4215 • franklincountymaine.org
217 30,828 1
JP Fortier
executive director
1994
21
Old Orchard Beach Chamber of Commerce
11 First St., Old Orchard Beach 04064
934-2500 • oldorchardbeachmaine.com
216 75,000 3
Kim Howard
executive director
1949
22
Greater Houlton Chamber of Commerce
109 Main St., Houlton 04730
532-4216 • greaterhoulton.com
210 10,000 1
Jane Reed Torres
executive director
1914
23
Yarmouth Chamber of Commerce
1
305 Main St., Yarmouth 04096
846-3984 • yarmouthmaine.org
184 8,700 2
Marshall Wallach
president
1956
24
Bethel Area Chamber of Commerce
8 Station Place, Bethel 04217
824-2282 • bethelmaine.com
170 5,700 3
Bobbi Vandenbulcke
executive director
1935
25
Rangeley Lakes Chamber of Commerce
6 Park Road, Rangeley 04970
864-5571 • rangeleymaine.com
150 4,000 4
Alexandra Kaiser
executive director
1955
SOURCE: Each chamber via survey.
1 Data from 2024 survey
- This list was compiled by Stephanie R. Meagher and published in Mainebiz's Fact Book: Doing Business in Maine, Sept. 1, 2025.
