General & Mechanical Services, Llc General & Mechanical Services, Llc

Based in Annapolis, Maryland, General & Mechanical Services has been a leading mechanical contractor in the Mid-Atlantic region since 1998. The company provides design, repair, retrofit, and maintenance services for HVAC, mechanical, plumbing, and electrical systems across Maryland, Virginia, DC, Delaware, and Pennsylvania. Its clients include education, healthcare, commercial, and government facilities that depend on mission-critical infrastructure solutions. GMS offers comprehensive services including data center cooling and power solutions, preventative maintenance, emergency repair, energy-efficient system upgrades, and air quality products such as UV lighting and ionization systems. The company operates as part of Crete United, a nationwide network focused on energy efficiency and sustainable building solutions.