Mark Julian

FirstEnergy Service Co. provides legal, financial and other corporate support services for its parent company FirstEnergy Corp. The company was founded on October 11, 2001 and is headquartered in Akron, OH.

West Penn Power Co. transmits and distributes electric and natural gas systems. Its service area has navigable waterways and substantial deposits of bituminous coal, limestone and other natural resources. The company was founded on January 31, 1907 and is headquartered in Greensburg, PA.

Pennsylvania Electric Co. engages in electric energy transmission and distribution services. The company was founded in 1919 and is headquartered in Akron, OH.

Monongahela Power Co. operates electric transmission and distribution systems. It provides electricity through coal and hydro facilities to residential, commercial, and industrial customers. The company is headquartered in Fairmont, WV.

The Potomac Edison Co. generates, transmits, and distributes electric power. The firm engages in the distribution and retail sale of electricity to residential, commercial, and industrial customers. Its service area's principal industries produce aluminum, cement, fabricated products, rubber products, sand, stone, and gravel. The company was founded on May 23, 1967 and is headquartered in Greensburg, PA.

The Toledo Edison Co. generates and distributes electricity. The company provides regulated electric distribution services in north-western Ohio. It also provides generation services to those customers electing to retain them as their power supplier. The company was founded in 1901 and is headquartered in Akron, OH.

Trans-Allegheny Interstate Line Co. provides electric distribution services. It also builds and operates power transmission lines in Pennsylvania. The company was founded on December 12, 2006 and is headquartered in Akron, OH.

FirstEnergy Transmission LLC engages in the ownership and operation of high-voltage transmission facilities. It provides transmission service to electric energy providers and power marketers. The company is headquartered in Fairmont, WV.

American Transmission Systems, Inc. provides electric transmission services. The company was founded in 1999 and is headquartered in Akron, OH.

The Cleveland Electric Illuminating Co. engages in the generation, sale, and distribution of electricity. It serves residential clients, businesses, builders, and contractors. The company was founded by Charles F. Brush on September 29, 1892 and is headquartered in Akron, OH.

Part of FirstEnergy Corp., Keystone Appalachian Transmission Co. is an electric utility company. The company is based in Akron, OH.

Part of Energy Harbor Corp., Energy Harbor Nuclear Corp. operates nuclear power stations. The company is based in Shippingport, PA.

Electric Power Research Institute, Inc. provides energy and environmental research services. It conducts research and development relating to the generation, delivery and use of electricity for the benefit of the public. The firm also provides technology, policy and economic analyses to drive long-range research and development planning and supports research in emerging technologies. The company was founded in 1972 and is headquartered in Palo Alto, CA.

Part of FirstEnergy Transmission LLC, Mid-Atlantic Interstate Transmission LLC operates as a power transmission facility. The company is based in Akron, OH.

Pennsylvania Power Co. operates an electric transmission and distribution system in Pennsylvania. It provides services to residential, commercial and industrial customers. The company is headquartered in Akron, OH.

Constellation Energy Nuclear Group LLC owns and operates a national fleet of generating plants and fuel processing facilities diversified by fuel, geographic location, and technology. Its portfolio includes nuclear, coal, natural gas, oil, and renewable and alternative fuels that include solar, wind, geothermal, hydro, and biomass. The company was founded in 2009 and is headquartered in Baltimore, MD.

AEP Energy, Inc. retails and supplies natural gas and electricity. It provides to the residential consumers, industrial facilities, and commercial entities. The company was founded by Guy H. Morgan and Aaron D. Rasty in 2002 and is headquartered in Chicago, IL.

Puget Sound Energy, Inc. engages in the providing electric services. It offers its services to the commercial, industrial and residential sectors. The firm owns and operates hydroelectric plants and wind farms through, which energy is generated and distributed to its customers. The company was founded in 1873 and is headquartered in Bellevue, WA.

Electric Reliability Council of Texas, Inc. operates and regulates power transmission system. Its services include account management services and market support services. The company was founded in 1970 and is headquartered in Austin, TX.

Ohio Valley Electric Corp. provides electric power generation, and distribution services. The company was founded in 1952 and is headquartered in Piketon, OH.

Part of Constellation Energy Corp., Nine Mile Point Nuclear Station LLC operates nuclear power plants. The company is based in New York, NY.

PricewaterhouseCoopers LLC provides assurance, tax and advisory services. Its services include audit and assurance, consulting, deals, human resources, legal, tax, and family business. The firm also offers accountability, risk management, structuring, mergers and acquisitions, and performance and process improvement. The company was founded in 1998 and is headquartered in Buffalo, NY.

Energy Harbor LLC provided energy-related products and services to retail and wholesale customers. The firm owned, leased, operated and maintained fossil and hydroelectric generation facilities, as well as owned nuclear generation facilities. It was a energy supplier, serving residential, commercial and industrial customers throughout the Northeast, Midwest and Mid-Atlantic regions of the U.S. The company was founded in 1997 and was headquartered in Akron, OH.

Allegheny Energy Service Corp. generates and distributes electricity. The private company is based in Greensburg, PA. Anthony J. Alexander has been the CEO of the company since 2011.

Ohio Edison Co. operates an electric distribution system in Ohio. It engages in the distribution and sale of electric energy to communities in the areas of central and northeastern Ohio. The company was founded in 1930 and is headquartered in Akron, OH.

Allegheny Generating Co. engages in the power generation business. The company was founded in 1981 and is headquartered in Greensburg, PA.

Part of FirstEnergy Corp., FirstEnergy Generation Corp. provides electricity generating services. The company is based in Akron, OH.

AEP Texas, Inc. engages in the transmission and distribution of electric power. It focuses on petroleum and coal products manufacturing, chemical manufacturing, oil and gas extraction, pipeline transportation, and support activities for mining. The company was founded in 1925 and is headquartered in Columbus, OH.

Oncor Electric Delivery Co. LLC engages in the provision of electricity transmission and distribution services. It provides transmission services to the electricity distribution companies, cooperatives, and municipalities. The company was founded in 2001 and is headquartered in Dallas, TX.

Mission Coal Co. LLC engages in the extracting, processing, and marketing of metallurgical coal. The company was founded on January 31, 2018 and is headquartered in Kingsport, TN.

Sempra Texas Intermediate Holding Co. LLC operates as a holding company. It provides delivery services to retail electric providers. The company was founded in 2006 and is headquartered in Dallas, TX.

NanoLumens, Inc. creates visual display platforms. It offers NanoSlim, NanoSlim Engage, NanoCurve, NanoWrap and NanoClear platforms. The firm serves LED displays for broadcast, casino, conventions/hospitality, educational institutions, retail, sports avenues and airports. The company was founded by Richard Cope in 2006 and is headquartered in Norcross, GA.

The Institute of Electrical & Electronics Engineers, Inc. is a non-profit organization that owns and operates technical professional association. It provides membership and services, societies and communities support, publication services, and conferences and events. The company was founded in 1884 and is headquartered in New York, NY.