Full-service mechanical maintenance and construction companies - Cullum has been the top name in service and construction org ... anizations in the Southeast since 1972. Positively impacting and serving commercial and industrial industries is the company’s goal, and operations are divided into two companies to continue to set the standard for customer service, quality, respect, innovation, and integrity. Cullum specializes in heating, air conditioning, plumbing, medical gas piping, and process piping projects. It also has extensive project experience with manufacturing facilities, laboratories, convention centers, hospitals, sports complexes, aquariums, dormitories and office buildings.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. Paramount to Cullum’s services is the company’s expert project management team. The majority of project managers and superintendents have been with Cullum for over 20 years, and this expertise contributes to service excellence during all phases of any project. read more