wbjournal.com | May 4, 2026 | Worcester Business Journal 17
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Largest chambers of commerce
Ranked by total membership
Chamber Membership
Full-time
equivalent
employees Head of chamber
Board chair/
company affiliation Year founded
1
Worcester Regional Chamber of Commerce
311 Main St., Worcester 01608
508-753-2924 • worcesterchamber.org
2,150 11
Timothy P. Murray
president & CEO
Charran Fisher
Fisher Contracting
Worcester
1875
2
North Central Massachusetts Chamber of Commerce
860 South St., Fitchburg 01420
978-353-7600 • northcentralmass.com
650 15
Roy Nascimento
president & CEO
Tony Fields
Cleartech Group
Leominster
1984
3
Nashoba Valley Chamber of Commerce
2 Shaker Road, Suite B200, Shirley 01464
978-425-5761 • nvcoc.com
572 1
Melissa Fetterhoff
president & CEO
Jose Banchs
J&S Business Services
Ayer
1984
4
Corridor 9/495 Regional Chamber of MetroWest (1)
30 Lyman St., Suite 6, Westborough 01581
508-836-4444 • corridornine.org
535 3
Karen J. Chapman
president & CEO
David Kaiser
(2)
Central One Federal Credit Union
Shrewsbury
1979
5
Blackstone Valley Chamber of Commerce
670 Linwood Ave., Suite 5, Whitinsville 01588
508-234-9090 • blackstonevalley.org
475 3
Jeannie Hebert
president & CEO
Kevin Hayes
Millbury Federal Credit Union
Millbury
1979
6
MetroWest Chamber of Commerce
860 Worcester Road, Framingham 01702
508-879-5600 • metrowest.org
438 2
Reyad Shah
president & CEO
Nancy Niemi
Framingham State University
Framingham
1895
7
Greater Gardner Chamber of Commerce
P.O. Box 1381, 29 Parker St., Gardner 01440
978-632-1780 • gardnerma.com
389 1
Rebecca Marois
president & CEO
Jacob Cormier
Boucher Funeral Home
Gardner
1889
8
Webster Dudley Oxford Chamber of Commerce
505 South Main St., Webster 01570
508-943-9700 • wdochamberma.com
380 N/A
John E. Milas
executive director
Dominic Librandi
Christopher Heights of Webster
Webster
1945
9
Tri-County Regional Chamber
258 Main St., Suite 306, Milford 01757
508-473-6700 • tricountychamberma.org
345 2
Laura O'Callaghan
president & CEO
Sean Coyle
Charles River Bank
Medway
1922
10
Marlborough Regional Chamber of Commerce
11 Florence St., Marlborough 01752
508-485-7746 • marlboroughchamber.org
320 1
Michelle Mercier
president & CEO
Jessica Pesce
Pesce Law Office
Marlborough
1924
11
United Regional Chamber of Commerce (3)
715 E. Washington St., North Attleboro 02760
508-316-0861 • unitedregionalchamber.org
310 N/A
Jack Lank
president & CEO
vacant as of press time
(4)
1917
12
Wachusett Area Chamber of Commerce
1174 Main St., Holden 01520
508-829-9220 • wachusettareachamber.org
252 1
Jennifer Stanovich
executive director
Johnna Carlson
P. J. Lombardo Insurance Agency
Holden
1991
13
Assabet Valley Chamber of Commerce (1)
P.O. Box 575, Hudson 01749
978-568-0360 • assabetvalleychamber.org
244 1
Sarah Cressy
president & CEO
Tracy Carter
(2)
Main Street Bank
Marlborough
1986
14
North Quabbin Chamber of Commerce
80 Freedom St., Athol 01331
978-249-3849 • northquabbinchamber.com
220 1
Melissa Eaton
president
Eric Jack
Athol Fire Department
Athol
1982
15
Chamber of Central Mass South
N/A (5), Southbridge 01550
508-753-2924 • cmschamber.org
215 0
Virginia K. Murphy
affiliate liaison
Erika Burrows
Center of Hope Foundation
Southbridge
1945
16
Auburn Chamber of Commerce
P.O. Box 508, Auburn 01501
508-753-2924 • auburnchamberma.org
145 0
Virginia K. Murphy
affiliate liaison
Debra Seaman
Seaman Engineering Corp.
Millbury
1962
17
Hopkinton Chamber of Commerce
P.O. Box 55, Hopkinton 01748
N/A • hopchamber.com
128 0
Jill Mongeau
executive director
Brooks Farrar
Resilience Fitness
Hopkinton
1990
Source: Each chamber via survey as of Q1-Q2 2026. Note: N/A=not available
(1) Data from WBJ's 2025 survey
(2) Per website as of April 2026
(3) Serves several communities in WBJ's readership area
(4) Position is being covered by the team.
(5) Mailing address is c/o 311 Main St., Worcester, MA 01608.
-Compiled by: Heide Martin, hmartin@nebusinessmedia.com
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