Michael Lebens

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 Georgia Partners LP provides energy-producing services. It was formed by Tenaska, Inc. to construct and operate the project. The company was founded in 1998 and is headquartered in Omaha, NE.

The InfrastruX Group, Inc. provided maintenance and construction services to the electric power and natural gas transmission and distribution infrastructure markets. The company was founded by Michael T. Lennon on June 6, 2000 and is headquartered in Olympia, WA.

McCarthy Group, LLC offers investment solutions. Its solutions include management buy-outs, middle market, growth capital, minority recapitalization and industry consolidation. The company was founded by Michael R. McCarthy and Richard Jarvis in 1986 and is headquartered in Omaha, NE.

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.

Burns & McDonnell, Inc. provides engineering, architecture, construction, environmental and consulting services. It serves the airport, military base, defense facility, power generation and transmission, water treatment, environmental remediation, refinery, industrial facility, hospital and institutional building sectors. The company was founded by Clinton Burns and Robert McDonnell in 1898 and is headquartered in Kansas City, MO.

Tenaska Washington Partners LP owns and operates a dual fueled-natural gas and oil-cogeneration facility. Its services include water treatment facility, monitoring program, and emergency response program. The company was founded on February 18, 1992 and is headquartered in Ferndale, WA.

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.