The Williams Cos., Inc. is 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. 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 in 1908 by David Williams and Miller Williams and is headquartered in Tulsa, OK.