Services

Based in Annapolis MD, General & Mechanical Services (GMS) is a leading provider of mission- critical infrastructure solutions and services nationwide. Since 1998, GMS has provided its customers with a “one-stop-shop” for all of their mechanical infrastructure needs including the supply, installation, testing and maintenance of industrial HVAC, mechanical, electrical and plumbing solutions.

The professional & certified team at GMS is committed to providing the best and most cost-effective solutions to its customers.

Commercial HVAC Services

Commercial HVAC

Heating and air conditioning services to help boost productivity & efficiency and reduce costs

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Commercial Plumbing

Plumbing and piping expertise for your facility’s needs, no matter how big or small

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Indoor Air Quality

Combat indoor pathogens and allergens by installing HVAC UV Lighting or Ionization products that clean the air using your existing ventilation system.

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Data Center Cooling

Assuring uptime with energy-efficient data center cooling and infrastructure solutions

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Design Build Services

Your one-stop-shop to design, engineer, install, service and retrofit the systems you need.

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