ORIGINS
From a single-practitioner firm to a well-rounded team of professionals in offices
located through the East Coast, McMahon
is built on a history of being
our clients' trusted advisor on transportation & data management challenges.
Innovation, integrity and cost-effectiveness are hallmarks of every McMahon solution.
Joseph McMahon - Founder
For more than 40 years, McMahon grew from one employee, Joe, to more than 200, and from a single discipline to services for every transportation project - big or small.
When we look over our history, the thousands of projects we've worked on and the ongoing excitement for new opportunities on the horizon, we are proud of where we came from. Take a look below for a quick snapshot of McMahon's history... so far.
TODAY
2010s
2000s
2019
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15 offices
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32 shareholders
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200+ employees
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TRAISR, LLC formed
2018
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New office - Westfield, MA
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Casey Moore & Gary McNaughton - Executive Vice President
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Joseph & Peggy McMahon Transportation Engineering Scholarship created
2017
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New office - Philadelphia, PA
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McMahon Wellness program created
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Bill Steffens - Chairman of the Board
2016 - 40th Anniversary of McMahon
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13 offices
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29 shareholders
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150+ employees
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4,000+ clients
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18,000+ projects
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McMahon Gives Back charitable program named
2014
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New office - Providence, RI
2013
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New office - Allentown, PA
2012
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McMahon forms TRAISR
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11 offices
2010
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Rod Plourde retires & JD becomes President & CEO
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110+ employees
2009
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New office - Pittsburgh, PA
2007
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New office - Taunton, MA
2006
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New office - Yardville, NJ
2005
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Company changes from C-Corporation to Subchapter S-Corporation for shareholder expansion
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FL Expands to Miami
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65+ employees
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Service - GIS
2004
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Headquarters purchased at 425 Commerce Dr., Fort Washington, PA
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Service - ITS, IT, Structures
2002
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McMahon extends stock ownership
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Rod Plourde - President
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Joe McMahon - Chairman of the Board
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FL Expands to Fort Lauderdale & Fort Myers
2000
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Major Expansion in Pennsylvania - Harrisburg & Exton offices open
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35 employees
1999
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Gary McNaughton joined the firm
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Service - Survey, Walking & Biking
1997
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New office - Boston
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Bill Steffens joined the firm
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Service - Major Highway Design
1995
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John DePalma & Chris Williams joined the firm
1994
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10 Employees
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Rod Plourde named Principal, JD named Associate
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Joe McMahon shares firm ownership with Rod & JD
1990s
1991
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Rod Plourde & Casey Moore joined the firm
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Service - Roadway Design, Transit Planning
1987
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C-Corporation Status - McMahon Associates, Inc.
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1st Florida office - Boca Raton
1986
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Joseph DeSantis (JD) joined the firm
1985
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Moving on up - out of home base into a real office in Willow Grove
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Rt. 29 Corridor/Great Valley Corporate Center - 1st ACT 47 project in the state
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Service - Signals
1980s
1982
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Willlow Grove Mall - Traffic Review
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Downtown Fort Lauderdale - Florida Quality Development (DRI) Approved - Sun Sentinel
1978
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Master Transportation Plan led to work for 11 Atlantic City Casinos
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Approval of major Development of Regional Impact - Coconut Creek, FL
1976
April 1, 1976 - Joseph W. McMahon Associates Founded
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Service - Traffic Engineering & Planning
2022
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In May 2022, McMahon joined Bowman Consulting Group Ltd., and now forms the large majority of employees in their transportation division