Kelso Technologies Inc., also called Kelso Technologies, is a product development company. It designs, engineers, markets, produces and distributes various proprietary pressure relief valves and manway securement systems. Read More The company operates through the following business segments: Design, production and distribution of various proprietary products and active suspension control system for no road vehicles. 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 South Surrey, Canada.