The industries which came to be known as part of the Silicon Forest date back to the 1940s, in particular Tektronix and Electro Scientific Industries.
Companies and Subsidiaries, Past and Present Atlas Telecom Autodesk BiiN Central Point Software Corillian Digimarc 800.com Electro Scientific Industries Flir Systems Floating Point Systems Gemstone Systems InFocus Informix Software Intel Intersolv Lattice Semiconductors Mentor Graphics nCube Network Associates NEC Planar Systems RadiSys Sequent Computer Systems Symantec Tektronix Thrustmaster Timberline Software Tripwire Verdix/Rational Software Webridge WebMD WebTrends WellMed
