CPI International

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CPI International, Inc. Communications & Power Industries

Type	public
Founded	1995
Headquarters	Palo Alto, California, United States
Key people	O. Joe Caldarelli, CEO
Industry	diversified electronics
Products	vacuum tubes and microwave devices
Services	vacuum tube repair
Revenue	$340 million (FY2006)
Employees	1600
Website	http://www.cpii.com/

CPI International, Inc. (NASDAQ: CPII) is the holding company for Communications & Power Industries, the largest^{[citation needed]} manufacturer and rebuilder of electron devices (primarily vacuum tubes) in the United States. C&PI was founded in 1995 [1] when Varian Associates sold its electron-device business to concentrate on medical systems. Its major subsidiaries include Eimac (which manufactures new vacuum tubes for the broadcasting, radar, medical systems, and other applications), Econco (a vacuum-tube rebuilder), and Beverly Microwave Systems. CPI International made its initial public offering in April, 2006.^[1]