Northeast Georgia's premier mechanical and plumbing contracting company

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Our Mission

To build on our reputation of Teamwork, Pride and Quality for the overall benefit of our customers, community, employees and owners.


"Our firm, Johnson Spellman & Associates, has been the mechanical design engineering company on several major projects where Martin Mechanical Contractors Inc. was the installing mechanical contractor.  MartinMMechanical has been professional in every aspect of the work; calling with questions concerning the design, complete shop drawing, submittals, accurage RFI's and first and foremost quality mechanical installation.  They are a team player, producing a functional end product with no issues along the way.  We would recommend Martin Mechanical to anyone, as you will end up with mechanical excellence.."

-Timothy L North, PE, LEED AP
Johnson Spellman & Assoc.



Martin Mechanical has been involved in many state and local government construction projects throughout Georgia. We understand the demands of working with challenging schedules typically associated with these types of projects. Whether we are working in a courthouse, jail/prison, police facility, or any other building used to house governmental services, we are experts in bringing these types of projects in on time and on budget.

Government & Prison Project List

  • Gwinnett County Police Training Complex
  • Gainesville Regional YDC
  • Jackson County Jail

Gwinnett County Police Training Complex

  • Project Location: Lawrenceville, GA
  • Project Type: Government
  • Year Completed: 2007
  • General Contractor: Potts Construction Company
  • Owner: Gwinnett County Board of Commissioners

Project Information:
This multi-building facility includes three indoor firing ranges and gun cleaning stations, classrooms, offices and support spaces, and a maintenance building. Martin Mechanical installed and linked the site utilities with all of the buildings, we installed the building's environmental comfort and plumbing systems, and we constructed a unique ventilation system that ensures a safe interior and exterior environment.

Jackson County Jail

  • Project Location: Jackson County, GA
  • Project Type: Government and Prisons
  • Year Completed: 2008
  • General Contractor: New South Construction
  • Owner: Jackson County Board of Commissioners

Project Information:
This county jail serves as an adult inmate housing facility as well as the county sheriff's office. It includes jail cells, inmate common areas, inmate processing areas, and the Jackson County Sheriff's offices. Among the components installed by Martin Mechanical was the smoke evacuation system, which removes smoke from the atmosphere in the event of a fire giving guards time to safely remove inmates from their cells and place them in a secure area away from the fire.


For all your contracting needs please give us a call today at (706) 543-8251.