Marc Hamburg

MidAmerican Energy Holdings Co. operates as a holding company with interests in engages in energy business. It operates business through subsidiaries which include, PacifiCorp., MidAmerican Funding LLC, NV Energy, Inc. Sierra Pacific Power Co., Northern Natural Gas Co., Kern River Gas Transmission Co., Northern Powergrid Holdings Co., MidAmerican Transmission LLC, MidAmerican Renewables LLC and HomeServices of America, Inc. The company’s subsidiaries generate, transmit, store, distribute and supply energy. It has offices in Delaware, England, Iowa, Nevada, Oregon and Texas. MidAmerican Energy Holdings was founded in 1971 and is headquartered in Des Moines, IA.

XTRA Corp. provides transportation equipment leasing services. It is a global transportation equipment lessor with operations in the North American over-the-road and domestic intermodal markets. The company was founded on July 12, 1999 and is headquartered in St. Louis, MO.

Columbia Insurance Co. provides Fire, marine and casualty insurance. It offers auto repair insurance, homeowners insurance costs, quotes for car insurance, homeowner flood insurance. The company is headquartered in Omaha, NE.

Wesco Holdings Midwest, Inc. used to operate as a holding company. The company was headquartered in Omaha, NE.

Burlington Northern Santa Fe LLC engages in the provision of freight rail transportation services. The firm operates various facilities and equipment to support transportation system, including its infrastructure and locomotives and freight cars. It also offers support facilities for rail operations include yards and terminals throughout its rail network, system locomotive shops to perform locomotive servicing and maintenance, a centralized network operations center for train dispatching, and network operations for monitoring and management. The company was founded on December 16, 1994 and is headquartered in Fort Worth, TX.

Berkshire Hathaway Energy Co. engages in distribution of energy. It generates energy from coal, natural gas and steam, hydroelectric, wind, geothermal, nuclear, and black liquor resources. The firm also offers residential real estate brokerage; integrated real estate, including mortgage originations and mortgage banking; title and closing; property and casualty insurance; home warranties; relocation services; and other home-related services. The company was founded in 1971 and is headquartered in Des Moines, IA.

Precision Castparts Corp. manufactures metal components and products for the aerospace and defense industries. It offers investment castings, forgings, fasteners and fastener systems, and aero structures for aerospace and power generation applications. The company was founded by Joseph Buford Cox in April 1953 and is headquartered in Portland, OR.