Regi U.S. 

REGI U.S., Inc., through its subsidiary RadMax Technologies, Inc., designs, develops, and builds axial vane type rotary devices for civilian, commercial, and government applications. It offers RadMax compressed gas expander, a positive-displacement gas expander that captures kinetic and pressure-volume energy and converts it to rotational power in compressed gas expansion applications. The company also offers RadMax compressor that acts as a positive-displacement and centrifugal compressor; and RadMax combined function devices, which comprise two cams connected by a common driveshaft in a single housing. In addition, it offers RadMax positive-displacement pumps; and RadMax internal/external combustion engines. REGI U.S., Inc. was founded in 1992 and is headquartered in Spokane, Washington.