Founded in 1938, Petroleum Products Incorporated supplies fuels, lubricants and related services to industrial and coal mining operations in Raleigh and Fayette counties in West Virginia. It is owned and operated by Maxum Petroleum, which is a wholly-owned subsidiary of SPI Petroleum. Petroleum Products Incorporated operates several warehouse and bulk plant facilities and supplies gasoline and lubricants of various brands, including Chevron, ExxonMobil, Marathon and Conoco. Its services include oil analysis, lubricant surveys, tank storage and pump inspections, training and technical assistance. It also offers transportation and fueling services through its affiliates, Petroleum Transport Incorporated and Petroleum Fueling Incorporated. Headquartered in Belle, W.Va., it maintains a location in Beckley, W.Va.