Kelso Technologies, Inc. supplies, produces and distributes railroad equipment. The company operates through the following business segments: Design, production and distribution of various proprietary pressure relief valves, and acctive suspension control system for off road vehicles. Read More Its products are initially designed to be installed on railroad tank cars which carry hazardous and non-hazardous commodities. The company was founded on March 16, 1987 and is headquartered in Surrey, Canada.