Maryland Mechanical Systems, Inc.

About Us

Maryland Mechanical Systems, Inc. is a full service mechanical contracting firm specializing in commercial, institutional, and industrial mechanical construction.

Maintaining continued success would not be possible without a great team to back it up. Currently we have a stable work force of over 50 employees most of which have been with the company for more than a decade. Our office support is also well versed in our field of work with over 200 years of combined experience between our Service and Project Management Teams.

Although we are proficient in all aspects of mechanical/plumbing support, we offer the following areas of in-house expertise:

  • Constructing HVAC and Plumbing Systems
  • Hydrogen Gas Piping
  • Medical Gas Systems
  • Natural/Propane Gas Piping
  • Steam and Hot Water Generation
  • Industrial Process Piping and Ducting Systems
  • Clean Room and Special Environmental Applications
  • High Purity Water Systems
  • Refrigeration and Air Conditioning
  • Temperature Controls
  • Excavation and underground pipe repair
  • Preventive Maintenance Contracts for H.V.A.C. Equipment
  • Boiler repairs and maintenance
  • Camera Diagnostics (Pipe Obstructions)
  • 24 Hour Emergency Service for plumbing and H.V.A.C.

Job site and drivers safety programs are conducted annually, including training and certifications in the following areas:

  • - Confined Space Training
  • - Backflow Preventor Certification
  • - OSHA Certified Trench Excavation
  • - HAZMAT Training
  • - Medical Gas Certification

Incorporated since 1971, Maryland Mechanical Systems has made their prime focus Customer Satisfaction, offering competitive pricing in combination with quality service. Maryland Mechanical Systems currently serves an active client base of over 300 and maintains over 25 million in annual sales of which 80% is generated from repeat business. Through the years, Maryland Mechanical Systems has maintained an unprecedented reputation in the industrial and commercial contracting community due to their ability to consistently fulfill the service needs of their customers.


Our Location

300 S. Haven Street
Baltimore, MD 21224

Click here for directions to our office.

Office hours are from 7:30 a.m. - 4:00 p.m. Monday through Friday. 24-hour Emergency Service is available for existing plumbing and HVAC customers.