A Leader in Facility Mechanical Systems.

Introducing

MJ Braun. For Mission-Critical Mechanical

Martin J. Braun Mechanical Contractors, A Fidelity Company, is a leading specialty mechanical contractor in the commercial, industrial, and institutional space.

Within our location in the Baltimore-Washington corridor, our core business includes Turn-Key Mechanical Projects, Complex Chilled Water & Steam Piping Systems, and Duct Fabrication & Installation for manufacturing, healthcare, and mission-critical facilities.

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Annapolis Junction

10820 Guilford Road
Suite 207-209
Annapolis Junction, MD 20701
410-488-3990