Established in 1924, Unitherm is one of the leading insulation subcontractors in the Southeast. It specializes in commercial and institutional mechanical systems insulation. The company also offers installation services for cold storage and plumbing systems. In addition, Unitherm provides a range services that includes asbestos and lead abatement, scaffolding, painting, and electrical and steam tracing. The company also offers carpentry, mechanical insulation and janitorial services. It provides insulation products from several manufacturers that include Owens Corning, Johns Manville and Pittsburg Corning. Unitherm offers its products and services to several industrial sectors, such as pulp and paper mills, petrochemical refineries, food processing facilities, and cement and aggregate plants. The company maintains a location in Columbia, S.C.