General & Mechanical Services

Since 1998, GMS has been recognized as a leading mechanical contractor in the Mid-Atlantic providing an array of top-notch commercial hvac services, commercial plumbing services and data center cooling to health care, education, commercial facilities and government sectors across the U.S.

GMS specializes in the renovation and retrofit of mechanical systems in data centers and commercial and industrial facilities. We utilize our in-house skills and technology to minimize a project's timeline while adhering to the customer's budget and needs. Since 1998, GMS has been delivering design-build, high-performance mechanical systems, commercial HVAC and plumbing systems on-time and on-budget. Our in-house professional engineer, project managers and our highly skilled and certified field technicians work to ensure the highest quality and value for our clients.

In a commercial building, a properly designed, installed and maintained HVAC solution can help you to save energy, cut absenteeism and improve productivity. For most commercial buildings the mechanical infrastructure is quite literally the heart of the operation and you need a reliable and knowledgeable team to repair, maintain and upgrade equipment-when you need it. GMS provides a one-stop-shop for mechanical solutions in commercial buildings and facilities. So, whether you're a property management firm that needs a comprehensive maintenance plan to cover your commercial HVAC service in single or multiple locations; or a manufacturing plant in need of a new cooling tower, GMS can design, install and maintain a solution to meet your needs.

As an expert commercial HVAC contractor, GMS provides a comprehensive range of heating and cooling services to meet all of your commercial AC/heater installation, replacement, repair, and maintenance needs. We believe that properly designed, installed and maintained commercial HVAC systems conserve energy, cut absenteeism and increase productivity. We have been designing, building and maintaining commercial heating and cooling units across the U.S. since 1998. Whether you're looking to set up a preventative maintenance contract, replace or supplement an existing commercial air handling system, or would like to find out how to make your HVAC systems more efficient and extend their life, GMS can meet your needs.

Our commercial Maryland plumbers provide full-service plumbing services to large businesses and government facilities. We install, repair and maintain your entire system from backflow prevention and energy efficient upgrades to water treatment and drain cleaning services. We are focused on providing the best solutions possible, regardless of the size of the job - GMS will fit a tap washer as meticulously as it will install a full size industrial steam boiler. When you are looking for commercial plumbing services you can rely on GMS' expertise, commitment to superior care, and understanding of your business needs.

GMS is a fast-growing and close-knit company that provides excellent employment opportunities in a fun environment. The company is an industry leader in quality mechanical, electrical and plumbing work. Whether you want to be a member of the Headquarters Staff or out working on a job site, GMS offers a variety of career-development possibilities. The industry is booming and now is the time to get involved! Being part of the staff means you join a high-performance team with lofty expectations. That doesn't mean you won't have fun and a chance to grow with GMS.

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.