Steven Craig Blackmore

Mentor Graphics Corp. provides electronic design automation systems-advanced computer software and emulation hardware systems, which are used to automate the design, analysis, and testing of electronic hardware and embedded systems software in electronic systems and components. It markets products and services primarily to large companies in the military/aerospace, communications, computer, consumer electronics, semiconductor, networking, multimedia, and transportation industries. The firm operates through the following geographical segments: United States, Europe, Japan, Pacific Rim, and Others. The company was founded on February 4, 1981 and is headquartered in Wilsonville, OR.

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.

Titanium Metals Corp. produces titanium sponge, ingot, and slab. Its activities include all phases of titanium manufacturing and sales, from converting rutile ore into sponge, to production of ingot and slab and mill products. The firm's products include titanium sponge, melted products, mill products and industrial fabrications. The company was founded in 1950 and is headquartered in Exton, PA.

Chevron Aerostructures Ltd. supplies precision engineering services. The company is headquartered in Leicester, the United Kingdom.

Founded in 1835, Special Metals Wiggin Ltd. is a subsidiary of Berkshire Hathaway, Inc. that produces and supplies nickel alloys and welding products. The private company is based in Hereford, UK.

Part of Berkshire Hathaway, Inc., PCC UK Global Holdings Ltd. functions as a holding private company whose subsidiaries lease real estate properties. The company is based in Birmingham, UK.

Founded in 1935, SPS Technologies Ltd. is a precision components and fasteners manufacturer for the aerospace industry. Part of SPS International SARL, the private company is based in Leicester, UK.

Part of Berkshire Hathaway, Inc., SPS Aerostructures Ltd. is a British company that manufactures metal structures and parts of structures. The private company is based in Annesley, UK and was founded in 1985.

Founded in 1994, Wyman Gordon Ltd. is a subsidiary of Berkshire Hathaway, Inc. that manufactures and supplies structural forgings and forged components from titanium and nickel based alloys. The private company is based in Hereford, UK.