PJM is New Jersey’s most trusted full-service mechanical contractor for large, small and fast-track projects. Every project merits the same level of meticulous care, no matter the size, type, or level of complexity.


PJM’s D/B team custom-tailors and executes every project, from design through startup and commissioning, to deliver highest-quality, cost-effective results that meet our clients’ unique and specific requirements.


Continual in-house, vendor and safety training enables PJM’s experienced service technicians to effectively diagnose, repair and maintain our clients’ HVAC, plumbing, refrigeration, BAS, and sprinkler equipment/systems.


PJM Mechanical is a full-service contractor providing a comprehensive range of mechanical services that include HVAC, plumbing, controls, ductwork, refrigeration and fire protection. Founded in 1983, PJM has been committed to delivering superior quality and service for over 30 years.

PJM Specializes in a Full Range of Mechanical Services

PJM primarily serves clients in the pharmaceuticals, manufacturing, healthcare, institutional, and commercial sectors.  We provide a full range of mechanical services to effectively meet all of our clients’ project, service and maintenance needs.

PJM provides 24/7 Emergency Service and boasts one of the best safety records in the industry. 

Construction & Installation


Service & Repair

Routine & Preventive Maintenance

Heating & Cooling

Building Automation



Fire Protection

Metal Fabrication

Medical Gas Piping

Laboratory Piping

Process Piping/Orbital Welding

Backflow Preventer Testing

Boom Truck Services


 1688 5th Street | Ewing, NJ  08638 | Tel: 609.921.1394 | Fax: 609.530.1437

Plumbing Lic. #7969 | HVAC Lic. #19HC00113011 | MBE Cert. #72727-21

© 2017 PJM Mechanical Contractors, Inc.  Website by: Classy Websites NJ/NYC

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