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AEP Texas Central Co. distributed electric power. It engaged in the transmission and distribution of electric power to retail customers through REPs in its service territory in southern and central Texas. The company was founded in 1945 and was headquartered in Columbus, OH.

Columbus Southern Power Co. provides electricity transmission and distribution services. It sells power to wholesale customers such as municipal utilities and energy marketers. The company is headquartered in Columbus, OH.

Consolidated Natural Gas Co. (CNG) produces, transports, distributes and markets natural gas. The company's natural gas transmission and distribution operations serve customers in Pennsylvania, Ohio, Virginia, West Virginia, New York and other states in the Northeast and Mid-Atlantic regions. The company is headquartered in Pittsburgh, PA

Indiana Michigan Power Co. engages in the business of generation, transmission, and distribution of electric power. The firm is also involved in supplying and marketing electric power at wholesale to other electric utilities, municipalities, and rural electric cooperatives. The company was founded on May 11, 1907 and is headquartered in Columbus, OH.

Kentucky Power Co. engages in the generation, transmission and distribution of electric power. It serves retail customers in eastern Kentucky. It provides delivering electricity and custom energy solutions. The company was founded on July 21, 1919 and is headquartered in Columbus, OH.

Ohio Power Co. engages in the generation, transmission, and distribution of electric power to retail customers. It also supplies and markets electric power at wholesale to other electric utility companies, municipalities, and other market participants. The principal industries served by the company include: primary metals, chemicals and allied products, health services, electronic machinery, petroleum refining, and rubber and plastic products. The company was founded in 1907 and is headquartered in Columbus, OH.

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

Public Service Company of Oklahoma engages in the generation, transmission, and distribution of electric power to retail customers. It also supplies and markets electric power at wholesale to other electric utility companies, municipalities, rural electric cooperatives and other market participants. The company was founded by Frederick William Insull on May 29, 1913 and is headquartered in Tulsa, OK.

Southwestern Electric Power Co. engages in the business of generating, transmitting and distributing electric power. The firm is also involved in manufacturing petroleum, coal, food, paper, and chemicals; and oil and gas extraction. The company was founded in 1912 and is headquartered in Columbus, OH.

AEP Texas North Co. generates, transmits and distributes electricity. It also maintains and repairs its lines, reads electric meters and handles connections and disconnections as directed by the Retail Electric providers selling electricity. The company was founded in 1927 and is headquartered in Corpus Christi, TX.

Reynolds American Inc. manufactures and sells cigarettes in United States. It operates through the following segments: RJR Tobacco, American Snuff, and Santa Fe. The RJR Tobacco segment consists of the primary operations of R. J. Reynolds Tobacco Company. The American Snuff segment consists of the primary operations of American Snuff Co. The Santa Fe segment consists of the primary operations of SFNTC, Niconovum AB, Niconovum USA, Inc. and RJR Vapor. The company was founded on January 2, 2004 and is headquartered in Winston-Salem, NC.

Kelda Group Ltd. provides water and sewerage services. It manages and offers its non-regulated water and waste water contract operations for the Ministry of Defense, Northern Ireland water, and Scottish water and customer support solutions that include billing, debt recovery, and incident management services. The company was founded in 1989 and is headquartered in Bradford, the United Kingdom.

AEMT, Inc. manufactures and markets electric surge protection products. It manufactures power quality and power conditioning electronics, appliances and devices. The company was founded by Allina F. Stanley, Jr. in 1997 and is headquartered in Lake Park, FL.

Corsair Capital LLC (Corsair Capital) is a private equity subsidiary of Maximillian Management LLC founded in 1992 by Nicholas B. Paumgarten. The firm is headquartered in New York.

Integrys Energy Group, Inc. is a diversified energy holding company, which is focused on regulated and non-regulated energy delivery in the U.S. and Canada. The company offers services through its subsidiaries which include Michigan Gas Utilities (MGS), North Shore Gas (NSG), People Gas (PG), Upper Peninsula Power Co. (UPPC) and Wisconsin Public Service (WPS). The company operates its business through the following segments: Natural Gas Utility, Electric Utility, Electric Transmission Investment, Integrys Energy Services, Holding Company and Other. The Natural Gas Utility segment includes the regulated natural gas utility operations of WPS, MGU, MERC, PGL, and NSG. The Electric Utility segment includes the regulated electric utility operations of WPS and UPPCO. The Integrys Energy Services is a diversified nonregulated retail energy supply and services company that primarily sells electricity and natural gas to commercial, industrial, and residential customers. The Electric Transmission Investment segment consists of integrys energy group. The Holding Company and Other segment includes the operations of the integrys energy group holding along with any nonutility activities at WPS, MGU, MERC, UPPCO, PGL, NSG, and IBS. It provides regulated natural gas utility service to residential, commercial and industrial, transportation and other customers in Chicago, Minnesota, northeastern Wisconsin and adjacent parts of the Upper Peninsula of Michigan. Integrys Energy Group was founded on February 21, 2007 and is headquartered in Chicago, IL.

The Phi Beta Kappa Society operates as an organization for liberal arts and science education. The non-profit company is based in Washington.

Itínere Infraestructuras SA engages in the engineering, construction, maintenance, and operation of civil infrastructure. Its projects include water treatment facilities, parking complexes, highways, tunnels, and bridges. The company was founded on May 21, 1968 and is headquartered in Madrid, Spain.

CoaLogix, Inc. provides nitrogen oxide-reduction services to coal-fired power plants. Its services include catalyst cleaning, rejuvenation and regeneration, SCR and catalyst management and value proposition. The company was founded by William J. McMahon in November 2007and is headquartered in Charlotte, NC.

Founded in 2007, Citi Infrastructure Investors is a private equity firm located in New York City with an additional office in London. They manage the Citi Infrastructure Partners LP. The firm is a subsidiary of Citigroup Alternative Investments LLC and their ultimate parent is Citigroup, Inc. (NYSE: C).

Kelda Holdings Ltd. operates through its subsidiaries, which offers water and sewerage services. It manages the collection, treatment, and distribution of drinking water; and non-regulated water and waste water contract operations. The company is headquartered in Bradford, the United Kingdom.

DP World Australia Ltd. engages in the provision of marine cargo handling services. It offers containers off trains, ships and trucks, store and manage goods, empty container solutions, and warehousing solutions. It operates container terminals in Adelaide, Brisbane, Fremantle, Melbourne, and Sydney. The company was founded in 2006 and is headquartered in Sydney, Australia.

Part of Maximillian Management LLC, Corsair Infrastructure Management LP provides investment management services.

Gateway Infrastructure Investments LP provides investment advisory services. The company is headquartered in New York, NY.