SERVICES MARKETS PROJECTS ABOUT CONTACT MECHANICAL CONTRACTORS A leader in designing, building and maintaining mission critical HVAC, mechanical, plumbing and electrical systems since 1998. Commercial HVAC Commercial Plumbing Indoor Air Quality Data Center Power & Cooling Commercial Refrigeration Design Build Services Request Service Need installation, maintenance or repairs? TELL US ABOUT YOUR PROJECT Since 1998, GMS has been recognized as a leading mechanical contractor in the Mid-Atlantic region. Based in Annapolis, MD, we provide design, repair, retrofit and maintenance services for properties in Maryland, Virginia, DC, Delaware and Pennsylvania. Education, healthcare, commercial and government facilities rely on us for their HVAC, mechanical, electrical and plumbing needs. The professional & certified team at GMS is committed to providing the best and most cost-effective mission-critical infrastructure solutions to its customers. GMS SERVICES The professional & certified mechanical contractors at GMS are committed to providing the best and most cost-effective solutions to our customers. Mechanical Contractors Maryland Work with GMS as your one-stop-shop to design, engineer, install, service and retrofit the systems you need. DESIGN BUILD SERVICES WHO WE SERVE GOVERNMENT HEALTHCARE EDUCATION COMMERCIAL 24/7 Emergency Services Our experts are standing by to address your Commercial HVAC or Plumbing emergency. EMERGENCY 410-349-4070 Preventative Maintenance Avoid costly repairs with preventative HVAC/Plumbing maintenance. Increase energy efficiency and extend the life of your equipment. CONTACT US AREAS WE SERVE Helping Maryland, Virginia, DC, Delaware and Pennsylvania properties & facilities with their mission critical HVAC, mechanical, plumbing and electrical systems since 1998. General & Mechanical Services 1007 Skidmore Dr Annapolis, MD 21409 PHONE: (410) 349-4070 FAX: (410) 349-4076 Services Commercial HVAC Commercial Plumbing Indoor Air Quality Data Center Power & Cooling Commercial Refrigeration Design Build Services Emergency Services (410) 349-4070 (410) 349-4070 Affiliations MCCA, MSCA , NECA, AWS © 2021 General & Mechanical Services, LLC | Privacy Policy | Website by City Dock Digital