M. Hyland

Alcoa, Inc. engages in the lightweight metals engineering and manufacturing. Its products are used worldwide in aircraft, automobiles, commercial transportation, packaging, oil and gas, defense, and industrial applications. It operates through the following segments: Alumina; Primary Metals; Global Rolled Products; Engineered Products and Solutions; and Transportation and Construction Solutions. The Alumina segment consists of a portion of Alcoa's upstream operations and consists of the company's worldwide refinery system, including the mining of bauxite, which is then refined into alumina. The Primary Metals segment comprises of Alcoa's upstream operations and consists of the company's worldwide smelter system. The Global Rolled Products segment is involved in the production and sale of aluminum plate, sheet and foil. The Engineered Products and Solutions segment involves in the production and sale of titanium, aluminum, and super alloy investment castings, hard alloy extrusions, forgings and fasteners, aluminum wheels, integrated aluminum structural systems, and architectural extrusions. The Transportation and Construction Solutions segment engages in downstream operations and produces products that are used mostly in the nonresidential building and construction and commercial transportation end markets. The company was founded by Charles Martin Hall on October 1, 1888 and is headquartered in New York, NY.

Washington Gas Light Co. is a regulated public utility company, which engages in the natural gas distribution business. It offers regulated distribution of natural gas to retail customers under tariff rates designed to provide for a return on the investment used in providing that service. The company was founded in 1848 and is headquartered in Washington, DC.

Marathon Oil Co. engages in exploring, transporting and markets crude oil and natural gas properties. The company is headquartered in Houston, TX.

EQM Midstream Partners LP engages in the ownership, operation, acquisition, and development of midstream assets in the Appalachian Basin. It operates through the following segments: Gathering, Transmission and Water. The company was founded on January 18, 2012 and is headquartered in Pittsburgh, PA.

EQGP Holdings LP engages in providing natural gas services. It owns the general partner interest, incentive distribution rights, and portion of limited partner interests in EQM Midstream Partners, LP. The company was founded in January 2015 and is headquartered in Pittsburgh, PA.

Part of Essential Utilities, Inc., Equitable Gas Co. LLC is a private company that provides and distributes natural gas. The company is based in Pittsburgh, PA. Equitable Gas Co. was acquired by Peoples Natural Gas Co. LLC, a SUB of Essential Utilities, Inc. from EQT Corp. on December 17, 2013 for $740 million.