Richard Robertson

Greenheck Fan Corp. designs, manufactures and sells air movement and control equipment. Its products include fans and ventilators, duct heaters, make-up air units, energy-recovery ventilators, and dampers. The company was founded by Bob Greenheck and Bernie Greenheck in 1947 and is headquartered in Schofield, WI.

Part of Strategic Environmental & Energy Resources, Inc., MV LLC is a company that offers H2S removal solutions with consistent and proven performance. The company is based in Golden, CO. MV was acquired by Strategic Environmental & Energy Resources, Inc. on June 25, 2008. The company's solutions are designed to be scalable and flexible, while maintaining the lowest total cost of ownership.