The Williams Cos., Inc. operates as an energy infrastructure company, which explores, produces, transports, sells and processes natural gas and petroleum products. It operates through three segments: Williams Partners; and Others. Read More The Williams Partners segment includes gas pipeline and domestic midstream businesses. The gas pipeline business includes interstate natural gas pipelines and pipeline joint venture investments, and the midstream business provides natural gas gathering, treating and processing services; NGL production, fractionation, storage, marketing and transportation and deepwater production handling and crude oil transportation services. The Other segment comprises of corporate operations; olefins pipeline assets; and Canada assets. The company was founded by David Williams and Miller Williams in 1908 and is headquartered in Tulsa, OK. The listed name for WMB is Williams Companies Inc.