A manufacturer of local area network equipment. 3Com was founded in 1979. They acquired BICC Data Networks in 1992, Star-Tek in 1993, Synernetics in 1993, Centrum in 1994, NiceCom in 1994 AccessWorks, Sonix Communications, Primary Access and Chipcom in 1995 and Axon and OnStream Networks in 1996. They merged with U.S. Robotics in 1997.