Based in Terre Haute, Ind., Freitag-Weinhardt Inc. is a mechanical constructor offering a wide variety of services that include HVAC (Heating, Ventilation and Air Conditioning), erecting and setting of equipment, traditional and specialty welding, process and industrial piping, among others. The company works on technologies, such as high-end fabrication and traditional pipe welding, orbital pipe welding, and high-pressure vessel welding. Freitag-Weinhardt Inc. caters to the needs of industrial and commercial customers. It operates in industrial, life sciences, energy and commercial sectors.