Welcome to Montgomery Mechanical Services, Inc.

Montgomery Mechanical Services, Inc. (MMS) is a certified Minority Mechanical Contracting company operating in Washington DC, Maryland,Virginia and the surrounding territories.

We are a full service mechanical company, offering services in Heating/Ventilation, Air Conditioning System, Plumbing Installation and long-term facility maintenance services. We have performed new construction and retrofit services to Commercial, Hospital/Medical, Hospitality, Water Treatment and Airport markets.

About Us

Our business is a private organization, registered and incorporated in Washington, D.C. With three (3) business unit offices located in Washington DC, Capitol Heights, MD and Baltimore, MD, we have enjoyed consistent growth since our inception in 1983. Read More...

Where We Are

1420 Ritchie-Marlboro Road, Unit B7. Capitol Heights, MD 20743.
Phone: (301) 808-8000. Fax: (301) 808-8001.

Montgomery Mechanical Services, 3051 Washington Blvd, Bldg. A, Suite B. Baltimore, MD 21230.
Phone: (410) 646-9000. Fax: (410) 646-4598.

1235 Kenilworth Avenue, N.E., Suite 8. Washington DC 20019.
Phone: (202) 388-1480. Fax: (202) 388-1481.