Amphenol Corporation (NYSE: APH) is a major producer of electronic and fiber optic connectors, cable and interconnect systems. Amphenol is a portmanteau from the corporation's original name, American Phenolic Corp. Amphenol was founded in Chicago in 1932 by entrepreneur Arthur Schmitt, whose first product was a tube socket for radio tubes. Amphenol expanded significantly during World War II, when the company became the primary manufacturer of connectors used in military hardware, including airplanes and radios. Amphenol's revenues in 2007 were $2.85 billion. The company sells its products into diverse electronics markets, including military-aerospace, industrial, automotive, information technology, mobile phones, wireless infrastructure and broadband. Operations are located in more than 60 locations around the world. The company is included in the S&P Midcap 400 index. Amphenol's Chairman and Chief Executive is Dr. Martin H. Loeffler.


Amphenol World Headquarters is located in Wallingford, Connecticut. The largest division of Amphenol is Amphenol Aerospace (formerly Bendix Corporation) in Sidney, NY. This is the birth place of the D38999 cylindrical connector. Amphenol engineers also invented the commonly-used BNC connector ("Bayonet Neill-Concelman").

Amphenol Cables on Demand, another division of Amphenol launched in December 2006, specializes in distributing standard cable assemblies via their e-commerce storefront. They sell more than 2500 audio, video, computer, and networking cables. Offices are located in New York, California, Florida, and China.

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