Company Profile

M&M Welding and Fabricators, Inc. is a complete turn-key mechanical contractor fully capable of accomplishing all phases of mechanical construction. M&M is a Women-Owned, MBE Certified Contractor that has been in business since April 1972, incorporated in the State of Maryland.

We are fully licensed and bonded to perform work in Maryland, Virginia, and the District of Columbia. The Company is Owned and Operated by Ms. Carey M. Dove, President/CEO. 

During Our 50+ years in the mechanical construction business, M&M Welding and Fabricators, Inc. has been called upon to execute a multitude of complex projects, large or small ranging from one-day service calls to $25M+ contracts, with public and private customers.

The complexity has ranged from the highly technical aspects of complete Central Utility Plant renovations, large scale mechanical system renovations to working at local, private multi-family housing residential facilities.

M&M has developed multiple mechanical specialties over the decades, such as:

  • Boilers and Burners - Installations, Repairs, Replacement, Re-Tubes, Conversions, Control System Repairs / Upgrades and Rentals ranging from 200,000 pounds per hour to 100 HP multi-residential heating units
  • Cooling Towers - Installations, Repairs and Replacements
  • Underground Piping - Direct-Buried Steam, Heating Water, Chilled Water
  • Chillers - Installations, Repairs and Replacements ranging from 5,000-ton units to multi-family cooling units
  • Commercial HVAC - Installations, Maintenance, Rentals, Repairs, and Retrofits
  • Fire Protection - Installations, Repairs and Replacements of Dry and Wet Fire Sprinkler Systems
  • Welding/Metal Fabrication - Catwalks, Grating, Ladders, Handrails, Platforms, Staircases, etc. 
  • Additional Specialties Include:
    • In-house HVAC Insulation Division
    • Refractory and Brickwork
    • Preventative Maintenance Contracts
    • R-Stamp Certified
    • Rental Boilers, Chillers, Pumps, etc.