General Company Information. BMC Services is a Fast-Growing Union Mechanical Contracting Company located in the Baltimore area is looking for a Mechanical Project Manager to join our team. BMC Services is affiliated with Baltimore Local 486 Steamfitters and Plumbers, DC Local 602 Steamfitters, DC Local 5 Plumbers. Company Core Valves. Always display company values and represent the company in a positive manner. Honesty. Honor. Integrity. _. Dutie...