Founded in October 1995, W.G./Welch Mechanical Contractors LLC is a client-oriented Mechanical Contractor providing plumbing, heating, and air conditioning work within the immediate Maryland-Virginia-Washington DC metropolitan area, as well as to the global market.


   Our project history includes mechanical systems for multi-family apartment and condominium projects, institutional projects such as private school and church facilities, and commercial properties such as office buildings, office tenant fit-out, hotel, bank, restaurant and service retail projects.

   This work is managed by a highly qualified office staff with diverse skill sets, and performed by a quality-oriented field of experienced mechanics and managers.

   From small tenant to large scale complexes, with our largest project to date valued at $12.5M, we are confident we can provide the plumbing and mechanical services your project requires.