C. Lin Hodges

Part of American Electric Power Co., Inc., Central & South West Services, Inc. is a company.

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.

MEMBERS Development Co. LLC operates credit unions. It provides research and development, financial, and credit union controlling services. The company was founded in 2000 and is headquartered in Madison, WI.

Mack Truck, Inc. manufactures and sells duty trucks. The firm's products include dump trucks, cement mixers, refuse trucks, and conventional trucks for heavy hauling and highway applications. It also makes natural gas powered trucks, sleeper cabs, and axle carriers. The company was founded by John M. Mack and Gus Mack in 1900 and is headquartered in Greensboro, NC.

American Airlines Federal Credit Union operates as a not-for-profit financial cooperative which offers financial products and services to the present and retired employees of American Airlines. It offers checking and savings accounts, auto/vehicle loans, home loans and visa credit cards. The firm also serves government employees including TSA, FAA and others who work directly in administration; regulation or security for airports or airlines; freight and air courier services; baggage; aircraft maintenance; and onboard airline food services. The company was founded in 1936 and is headquartered in Fort Worth, TX.

Mack Sales of Atlanta, Inc. operates as a motor vehicle dealer. The private company is based in Atlanta, GA.

Collin Industries Inc. provides transportation services. It offers transportation of building products. The company was founded by Henry R. Collins in 1992 and is headquartered in Jackson, Georgia.