James J. Spilker

Part of The National Academies of Science, the National Academy of Engineering operates as a professional membership organization. The company is based in Washington.

AOSense, Inc. designs and builds innovative gravity and inertial sensors based on atom optics techniques. Its atom optic devices are used for precision navigation, gravity measurement and timekeeping. The firm’s capabilities include gyroscopes, accelerometers, inertial measurement units (IMUs), gravimeters, gravity gradiometers and atomic frequency standards. The company was founded by Brent Young, Mark Kasevich and James J. Spilker in 2004 and is headquartered in Sunnyvale, CA.

Rosum is the leader in the use of broadcast TV signals to power location and timing solutions. Rosum technology turns TV tuners into location devices, and Rosum is the first to combine TV and GPS signals for truly robust hybrid positioning and timing in all types of environments. Rosum's founding team includes the original architects of the GPS constellation. Rosum partners include Siano Mobile Silicon, TruePosition, and ST-Ericsson

Radyne Corp. designs, manufactures and sells satellite and cable communication products. It offers satellite electronics, including satellite modems, which transform user information and troposcatter that transmits and receives radio waves over the curvature of the earth. The company was founded in 1980 and is headquartered in Phoenix, AZ

Part of Nokia Oyj, Stanford Telecommunications, Inc. provides telecommunication services. The company is based in Sunnyvale, CA. The company was founded by David Tahmassebi, Allan Evans. Stanford Telecommunications was acquired by Alcatel Networks Corp. on November 10, 1999 for $520.86 million.