CPI International, Inc. is the

holding company A holding company is a company whose primary business is holding a controlling interest in the securities of other companies. A holding company usually does not produce goods or services itself. Its purpose is to own shares of other companies ...

for Communications & Power Industries, the largest manufacturer and rebuilder of electron devices (primarily

vacuum tube A vacuum tube, electron tube, valve (British usage), or tube (North America), is a device that controls electric current flow in a high vacuum between electrodes to which an electric voltage, potential difference has been applied. The type kn ...

s) in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

. CPI was founded in 1995 when

Varian Associates Varian Associates was one of the first high-tech companies in Silicon Valley. It was founded in 1948 by Russell H. and Sigurd F. Varian, William Webster Hansen, and Edward Ginzton to sell the klystron, the first vacuum tube which could amplify ...

sold its electron-device business (the original business of its founders) to concentrate on medical systems. Its major subsidiaries include

Eimac Eimac is a trade mark of Eimac Products, part of the Microwave Power Products Division of Communications & Power Industries. It produces power vacuum tubes for radio frequency applications such as broadcast and radar transmitters. The company name ...

(which manufactures new vacuum tubes for the broadcasting, radar, medical systems, and other applications), Econco (a vacuum-tube rebuilder), Beverly Microwave Systems, and Radant Technologies. CPI International made its

initial public offering An initial public offering (IPO) or stock launch is a public offering in which shares of a company are sold to institutional investors and usually also to retail (individual) investors. An IPO is typically underwritten by one or more investment ...

in April, 2006. CPI's Econco division remanufactures Eimac and Machlett power tubes. In February 2011, an affiliate of Veritas Capital, a private equity investment firm which invests in companies that provide critical products and services to governments worldwide, acquired CPI for approximately $525 million. CPI International ceased trading on The Nasdaq Stock Market. In July 2017, Odyssey Investment Partners, LLC, a private equity investment firm, acquired CPI. In fiscal 2018, CPI employed approximately 2,000 people and generated approximately $492 million in sales.<

References

External links

Corporate Web site
Companies based in Palo Alto, California Holding companies established in 1995 {{US-manufacturing-company-stub