Daniel Edward Lonergan

MidAmerican Energy Co. engages in the provision of electricity services. It operates through the Regulated Electric and Regulated Natural Gas segments. The Regulated Electric segment includes regulated retail sales of electricity to residential, commercial, and industrial customers and from wholesale sales. Regulated Natural Gas segment transports gas owned by others through its distribution system. The company was founded in 1995 and is headquartered in Des Moines, IA.

Willbros Group, Inc. engages in the provision of engineering and construction services to the oil, gas, refinery, petrochemical, and power industries. The company was founded by Miller Williams and David Williams in 1908 and is headquartered in Houston, TX.

Tenaska, Inc. provides energy development services. It operates through its subsidiaries which offers energy marketing, power generation, private equity and gas exploration and production services. The company was founded by Howard L. Hawks and Thomas E. Hendricks in 1987 and is headquartered in Omaha, NE.

Tenaska Capital Management LLC (TCM) is a private equity firm and subsidiary of Tenaska Inc which is founded by PAUL G. SMITH in the year 2003. The firm is headquartered in Omaha, Nebraska.

Tenaska Marketing Ventures, Inc. develops, constructs, owns, and operates non-utility generation and cogeneration plants. It offers natural gas, biofuels, and electric power. The firm offers risk management services in asset acquisition and management, power marketing, fuel supply, gas transportation systems, biofuels marketing, and electric transmission development. The company was founded by Howard L. Hawks, Thomas E. Hendricks, and William A. Kellstrom in 1987 and is headquartered in Omaha, NE.

Voyager Midstream LLC developed natural gas processing, transportation and storage assets. The company was founded in 2008 and headquartered in Omaha, NE.

Tenaska Frontier Partners Ltd. provides electricity services. It offers power plant development, construction, operation, natural gas, electric power, biofuels marketing, energy risk management, fuel procurement, energy asset acquisition, development, management and electric transmission services. The company was founded by Howard L. Hawks and Thomas E. Hendricks in 1987 and is headquartered in Omaha, NE.

Tenaska Energy, Inc. owns and operates energy and fuel generation plants. The firm focuses on natural gas, electric power and biofuels. The company was founded on November 16, 2000 and is headquartered in Omaha, NE.