MPLX vs WMB

MPLX LP

MPLX LP owns and operates midstream energy infrastructure and logistics assets primarily in the United States. It operates in two segments, Logistics and Storage, and Gathering and Processing. The company is involved in the gathering, processing, and transportation of natural gas; gathering, transportation, fractionation, exchange, storage, and marketing of natural gas liquids; transportation, storage, distribution, and marketing of crude oil and refined petroleum products, as well as other hydrocarbon-based products; and sale of residue gas and condensate. Its pipeline network located throughout the United States and Alaska; storage caverns consist of butane, propane, and liquefied petroleum gas storage with locations in Neal in West Virginia, Woodhaven in Michigan, Robinson in Illinois, and Jal in New Mexico; and marine business owns and operates boats and barges, including third-party chartered equipment, as well as a marine repair facility located on the Ohio River. The company also transports light products, heavy oils, crude oil, renewable fuels, chemicals, and feedstocks in the Mid-Continent and Gulf Coast regions. In addition, its refining logistics assets operates 619 tanks with a storage capacity of approximately 56 million barrels; and 32 rail and truck racks, 18 docks, and gasoline blenders. Further, the company operates terminal facilities for the receipt, storage, blending, adultization, handling, and redelivery of refined petroleum products located throughout the continental United States and Alaska. MPLX GP LLC acts as the general partner of MPLX LP. The company was incorporated in 2012 and is based in Findlay, Ohio. MPLX LP is a subsidiary of Marathon Petroleum Corporation.

Williams Companies Inc.

The Williams Companies, Inc., together with its subsidiaries, operates as an energy infrastructure company primarily in the United States. It operates through Transmission & Gulf of Mexico, Northeast G&P, and West segments. The Transmission & Gulf of Mexico segment comprises Transco and Northwest natural gas pipelines; and natural gas gathering and processing, and crude oil production handling and transportation assets in the Gulf Coast region. The Northeast G&P segment engages in the midstream gathering, processing, and fractionation activities in the Marcellus Shale region primarily in Pennsylvania and New York, and the Utica Shale region of eastern Ohio. The West segment comprises gas gathering, processing, and treating operations in the Rocky Mountain region of Colorado and Wyoming, the Barnett Shale region of north-central Texas, the Eagle Ford Shale region of South Texas, the Haynesville Shale region of northwest Louisiana, and the Mid-Continent region, which includes the Anadarko, Arkoma, and Permian basins; and natural gas liquid (NGL) and natural gas marketing operations, as well as storage facilities. The company owns and operates 30,000 miles of pipelines, 34 processing facilities, 9 fractionation facilities, and approximately 23 million barrels of NGL storage capacity. The Williams Companies, Inc. was founded in 1908 and is headquartered in Tulsa, Oklahoma.