843.554.6645 - Charleston Corporate Office

Cullum Mechanical Construction, Inc.

Cullum  Mechanical  Construction,  Inc., was founded by Mr. Furman Cullum and incorporated in the state of South Carolina on July 26, 1972.  Today two subsidiaries, Cullum Constructors, Inc. and Cullum Services, Inc., serve clients throughout the Southeast. Cullum has unlimited licenses in mechanical construction and engineering and general construction in South Carolina, as well as mechanical and plumbing licenses in North Carolina and Georgia.

Its corporate headquarters occupies 30,000 square feet in Charleston, South Carolina with Service locations also in Columbia and Greenville. Sheet metal and pipe prefabrication are performed in 18,000 square feet of project support space.

Completed projects include the MUSC Ashley River Tower and Diagnostic and Treatment Center, the Boeing Propulsion, Body Paint, and Research & Training Center, Charleston County Detention Center, arenas at the College of Charleston, University of SC, and Clemson, and aquariums in North and South Carolina. Current work includes the Central Headquarter Building at Shaw Air Force Base, Volvo Cars, Mercedes Benz Vans and Blackbaud World Headquarters. 

Cullum Services, Inc., is a full service maintenance company specializing in commercial, industrial, and institutional HVAC equipment service and maintenance.  Cullum technicians have extensive knowledge and technical skills in servicing a diverse range of HVAC equipment from small split systems to large chilled/hot water systems including cooling towers and chillers.

Service is available twenty-four hours a day, seven days a week for all of your commercial, industrial and institutional HVAC service needs. To receive a quote for preventive maintenance, repair or equipment replacement, you may contact our Service Department at 843-747-2900.


Cullum Constructors, Inc. is an innovative provider of mechanical design and construction services, combining employee experience and company resources to facilitate mechanical solutions with expertise. Cullum specializes in heating, air conditioning, plumbing, medical gas piping, and process piping projects ranging from 2,000 square foot computer rooms to complex 600,000 square foot healthcare diagnostic, treatment, and research facilities.  The company also has extensive project experience with manufacturing facilities, laboratories, convention centers, hospitals, sports complexes, aquariums, dormitories and office buildings.  As a fully licensed mechanical contractor in SC, NC and GA, Cullum Constructors, Inc. is well suited to perform renovation, new construction, and mixed addition projects.

Cullum Values

Quality – Through teamwork and collaboration we deliver positive results for employees, suppliers and customers in our planning and execution on every project.

Respect – We acknowledge everyone has value and we treat them with dignity to build relationships based on trust that are essential to our growth.

Innovation – With training and development we convert our ideas and experience into action, expanding our capability to add value to the organization and those we serve.

Integrity – We have the courage to consistently conduct business with sound moral principle and character with reliability and fairness at all levels.

Markets We Serve


  • Assembly
  • Commercial
  • Education
  • Government
  • Healthcare
  • Industrial
  • Institutional


  • Manufacturing
  • Medical office buildings
  • Municipalities
  • Restaurants
  • Retail
  • Universities