wbjournal.com | December 15, 2025 | Worcester Business Journal 17
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Largest employee-owned companies (1)
Ranked by number of local employees, then % employee owned
Company
Local
employees/
worldwide
employees
Type of business/
year founded
% ESOP-
owned/
year ESOP
started Top executive(s)
1
Consigli Building Group Inc.
72 Sumner St., Milford 01757
508-473-2580 • consigli.com
828
2,500
Construction
1905
100%
2018
Anthony Consigli
CEO
Matthew Consigli
president
2
David Clark Co. Inc.
360 Franklin St., Worcester 01615
508-751-5800 • davidclarkcompany.com
204
210
Manufacturing
1935
100%
2007
Richard Urella
president
3
James Monroe Wire & Cable (2)
767 Sterling Road, Lancaster 01523
978-368-0131 • jamesmonroewire.com
109
N/A
Manufacturing of custom wire and cable
products
1977
33%
(3)
1999
David M. Fisher
president
4
Landry's Bicycles
78 Turnpike Road, Westborough 01581
508-655-1990 • landrys.com
80
N/A
Bicycle retail
1922
100%
2009
James Ray IV
director of business operations
Patricia Brant
director of retail operations
5
Central Coating Technologies Inc.
165 Shrewsbury St., West Boylston 01583
508-835-6225 • centralcoating.com
75
N/A
Manufacturing
1970
100%
2004
James Ambrose
president
Michael Kennedy
vice president
6
Process Cooling Systems, Inc.
800 Research Drive, Leominster 01453
978-537-1996 • processcooling.net
64
N/A
Manufacturing of industrial cooling
systems
1963
(4)
49%
2023
Ted Rudy
president
David Doucet
treasurer & operations manager
7
Shawmut Design and Construction
20 Franklin St., Worcester 01608
774-389-4005 • shawmut.com
60
1,400
Construction
1982
100%
1998
Kevin Sullivan
executive vice president, New England
Region
8
Dale Medical Products (2)
40 Kenwood Circle, Suite 7, Franklin 02038
800-343-3980 • dalemed.com
55
N/A
Medical equipment & supplies
1961
(5)
100%
2021
Bob Simpson
CEO
9
Swissturn U.S.A. Inc.
21 Dana Road, Oxford 01540
508-987-6211 • swissturn.com
54
N/A
Manufacturing of precision machined
components
1987
100%
2015
Kenneth Mandile
CEO
Rick LaViolette
president
10
Diamond Antenna and Microwave Corp. (6)
59 Porter Road, Littleton 01460
978-486-0039 • diamondantenna.com
50
70
Manufacturing
1956
100%
2010
Michael Montemagno
president
10
Worcester Manufacturing (7)
35 New St., Worcester 01605
508-791-2555 • worcestermanufacturing.com
50
N/A
Manufacturing & metal fabrication
1938
100%
2012
Charles Flanagan
president
12
Colonial Systems
1 Distribution Center Circle, Suite 500, Littleton 01460
978-657-6508 • colonialsystems.com
45
170
Office furniture, wall installation &
warehousing
1992
100%
2020
Scott Lynch
president & CEO
13
Wirefab Inc.
75 Blackstone River Road, Worcester 01607
508-754-5359 • wirefab.com
40
N/A
Wire and metal manufacturing
1955
33%
1991
Peter Armanetti
president
14
Quirk Wire Co. Inc. dba Wirecraft Products (2)
146 East Main St., West Brookfield 01585
508-867-3155 • quirkwire.com
38
N/A
Manufacturing
1956
100%
2003
Eric Ostiguy
president
15
Lampin Corp.
38 River Road, P.O. Box 327, Uxbridge 01569
508-278-2422 • lampin.com
32
N/A
Manufacturing and precision machining
1962
100%
2006
John Biagioni
president
16
Web Industries Inc.
293 Boston Post Road West, Suite 510, Marlborough 01752
508-898-2988 • webindustries.com
25
600
Precision converting & outsource
manufacturing
1969
100%
1985
John Madej
president & CEO
Suzanne Rotherham
chief operating officer
Source: Each company via survey as of Q2 2025 and U.S. Department of Labor form 5500 filings. Notes: Research indicates the following are ESOP companies, but data was not confirmed by press time:
Clinton's Darmann Abrasive Products, Worcester's Feingold Cos. and Hopkinton's Richmond Group. N/A=not available.
(1) Includes companies headquartered in Central Mass. with employee stock ownership plans, or
ESOPs
(2) Data from WBJ's 2023 survey
(3) Employee-ownership percentage confirmed via jamesmonroewire.com.
(4) Opened Leominster facility in 2019
(5) Founded in Sharon as Baka Manufacturing Co.
(6) Data from WBJ's 2024 survey
(7) Data from worcestermanufacturing.com
-Compiled by: Stephanie R. Meagher, research@nebusinessmedia.com
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