Warren Buffett

Berkshire Hathaway Assurance Corp. offers municipal and state bonds. The company was established in December, 2007 and is headquartered in Omaha, NE.

The American Academy of Arts & Sciences is an organization that honors excellence and brings together leaders. The non-profit company is based in Cambridge, MA.

The Bill & Melinda Gates Foundation was formed in 1997 as the William H. Gates Foundation. In 1999, the foundation was renamed the Bill & Melinda Gates Foundation. The Bill & Melinda Gates Foundation Trust was created in January 2000 through the merger of the Gates Learning Foundation, which worked to expand access to technology through public libraries and the William H. Gates Foundation, which focused on improving global health. The foundation participates in preventive approaches and collaborative endeavors with government, philanthropic and not-for-profit partners. Priority is given to grants that leverage additional support and serve as a catalyst for long-term, systemic change. The foundation also provides funds to promote greater equity in global health, education and public libraries. Through their partnerships in communities across the US, the Bill & Melinda Gates Foundation is committed to raising the high school graduation rate and helping all students, regardless of race or family income. The foundation is headquartered in Seattle, Washington.

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.

West End Capital Management (Bermuda) Ltd. provides investment management services. The company was founded by Mark James Byrne in 1998 and is headquartered in Hamilton, Bermuda.

H.J. Heinz Co. used to produced processed food products. Its products included ketchup, condiments and sauces, frozen food, soups, beans and pasta meals, infant nutrition and other food products. H.J. Heinz was founded by Henry John Heinz in 1869 and was headquartered in Pittsburgh, PA.

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.

WP Co. LLC publishes newspapers. The company was founded by Stilson Hutchins on December 6, 1877 and is headquartered in Washington, DC.

General Reinsurance AG engages in providing reinsurance of all kinds to domestic and international customers. It also offers all kinds of reinsurance on a worldwide basis including life, health, motor, marine, property and general third party liability insurance. The company was founded in 1846 and is headquartered in Cologne, Germany.