SJ Thomas Commercial Contractors specialize in new construction, multiple trade renovations including electric, HVAC, plumbing and commercial roof replacement of government buildings, hospitals, nursing homes, schools, restaurants and privately owned businesses. Please browse our portfolio to see our impressive resume of completed projects, as well as case studies of our work. SJ Thomas is the local leader in commercial mechanical contracting. We have experience in projects such as computer room environmental control systems, centrifugal, reciprocating and absorption chillers, cooling towers, and heating and colling stations.