E.L. Pruitt, founded in 1971, is a provider of complete mechanical contracting services that include engineering, design-build and installation services for heating, ventilation and air conditioning systems. Additionally, the company provides a wide range of plumbing services. The company also provides welding services. It offers piping systems, sheet metal fabrication and architectural sheet metals, and it also provides refrigeration services for the commercial, institutional and industrial clients. The company designs and installs industrial and commercial ventilation systems, automatic fire sprinkler systems, forced air heating and cooling systems, steam and hot water boilers and chilled water systems. E.L. Pruitt, located in Springfield, Ill., is affiliated with the Capital Area Labor-Management Council, the Central Illinois Builders, the National Fire Protection Association and the Greater Springfield Chamber of Commerce.