[6] Cox was owner of Oregon Saw Chain and in 1949 had started a casting operation to make saw teeth with assistant general manager Ed Cooley also working on the project.

In 1953 Cox separated the two companies and PCC was formed, moving into a new larger facility in 1955, and incorporating the following year with Ed Cooley as one of the owners.

[7] The company received tax breaks from local governments in the Portland metro area in 2006 in exchange for a plant expansion.

[12] Texas Honing was purchased by PCC in October 2012,[13] followed by the $2.9 billion acquisition of Titanium Metals in November 2012.

[14] On August 10, 2015, the boards of directors of Berkshire Hathaway Inc. and Precision Castparts Corp. unanimously approved a definitive agreement for Berkshire Hathaway to acquire, for $235 per share in cash, all outstanding PCC shares, for a total sum of $37 billion including assumed debt.

[16] In May 2011, toxic chemicals such as nitrogen dioxide and hydrochloric acid were unexpectedly released at the company's titanium plant on Johnson Creek Blvd, Portland, Oregon.

The increases in revenue and debt were due in part to a pair of acquisitions in February 2007: GSC Foundries, Inc. (GSC), formerly a competitor to PCP in producing aluminum and steel structural investment castings, and Cherry Aerospace LLC (Cherry), a manufacturer of aerospace blind rivets and blind bolts.

[25] The company manufactures a variety of parts for the aerospace industry including many jet engine components.

[24] They are considered a leader in the manufacturing of both jet engine airfoils and gas turbines used for generating electricity.

[citation needed] The Forged Products segment includes Wyman-Gordon, PCC Energy Group, Titanium Metals Corporation(Timet), and Special Metals Corporation and serves the aerospace and power generation markets.