D. Keith Gettmann

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.

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

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.

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

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.

Catalyst Corporate Federal Credit Union operates as a federally chartered credit union. The firm provides business ACH origination, business capture, advisory services, ALM services, data analytics tools, central liquidity facility loans, term loans, and payment services. The company was founded in 1975 and is headquartered in Plano, TX.