Who We Are

The Mechanical Contractors Association of Maryland is a premier trade association dedicated to the promotion and support of high quality, safe mechanical construction. Established in 1927, MCA-Maryland represents companies that design, build, retrofit, replace, maintain and service mechanical, HVAC/R, plumbing and piping systems for residential, commercial, institutional, healthcare, industrial and government buildings/installations.

MCA-Maryland members have access to educational programs, training seminars, networking & social outings, legislative advocacy, technology, communications and discounted services to grow their business. Membership in MCA-Maryland affords the opportunity to join Mechanical Contractors Association of American (MCAA) and other associations and participate in additional educational programs, valuable resources and business services.

Member company signature projects include the Baltimore Inner Harbor complex, World Trade Center, The National Aquarium, Oriole Park at Camden Yards, M&T Bank Stadium, Comcast Center, United States Naval Academy, University of Maryland and Johns Hopkins Medical Centers.

Whether construction landmarks or mechanical systems – member companies rely on MCA-Maryland to be a powerful partner in their business.


View a full list of MCA Members


MCA-MD Organizational Chart

Download MCA-MD's Organizational Chart


Meet the Team


John D. Prusak


Johnson Controls, Inc.

Bill Schatzman


Modern Controls, Inc.

Michael F. Ernst


Carlisle Contracting, LLC

Stephen J. Weissenberger

Executive Vice President

MCA- Maryland

Shannon Shagoury Lenamon

Administrative Director

MCA- Maryland

Board of Directors

Jeff Ashe

Electrical Automation Services, Inc

Steve Borlie

Borlie Mechanical Contractors

Jason A. Carter


Mark A. Crockett

Crockett Facilities Services, Inc.

Charles Elek

Denver-Elek, Inc.

David J. Fischer

Power & Combustion, Inc.

Spencer L. Matusky

Flo-tron, Inc.

Joel Meredith

Siemens Industry, Inc

Adam E. Snavely

Poole & Kent

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