When petroleum, refining, and industrial customers need to get pumped, they turn to Wilson to get parts and supplies. It distributes fittings, mill supplies, pipes, pumps, valves, and maintenance products through almost 200 locations in Canada, Europe, and the US. Wilson represents more than 500 manufacturers and distributes more than 90,000 items. Its primary market is energy exploration and production companies; other markets include chemicals, paper, food processing, and construction. Wilson also distributes communication devices, safety equipment, janitorial supplies, and medical and emergency materials. In 2012 Schlumberger sold Wilson to National Oilwell Varco.