About

Full-service mechanical contractors serving North Alabama including the Huntsville and Decatur areas.


Smith Service Corporation was founded in 1971 in Decatur, Alabama to service and maintain commercial HVAC and refrigeration systems. Quickly, the scope of our work broadened to include all areas of mechanical contracting. From the beginning, Smith Service Corporation has held to the highest standards of customer satisfaction making us a leader in industry know-how, reliability, and trust.