AEG, Alpha Industries, American Power Devices, Clairex, Collmer, Dialight, Electronic Devices Inc., Edal Industries, Everlight, Fagor, Fairchild, Ferranti, Fuji, Fujitsu, Gilway, General Instruments, General Semi. Inc., Germanium Power Devices, GTC, Harris, Hewlett-Packard, Honeywell, Hutson, Industrial Devices Inc., International Rectifier, Isocom, ITT, IXYS, JKL, Lite-On, Lumex, Ma/Com, Marktech, Matsushita, MicroSemi, Mitsubishi, Motorola, National Semi., NEC, New Jersey Semi., NTE, OnSemi, Optek, Philips, Powerex, Quality Tech, Raytheon, Recton, ROHM, Sanken, Samsung, Sanyo, Semikron, Siemens, SGS, STC, Siliconix, Solid State, Sony, Stanley, Silicon Transistor Corp., Teccor, Telefunken, T.I., Toshiba, Unirode, Zetex

Amelco, Amperex, Ampower, Bendix Semi., Carter Semi., CBS Laboratories, Centralab, CODI Semi., Computer Diode Corp., Communication Transistor Corp., Continental Devices, Crystalonics, Delco, Delta Semi., Dickson, Electronic Transistor Corp., General Electric. FMC, High Voltage Semi., Hoffman Semi., Hughes Semi., International Devices Inc., International Diode, Industro Transistor, IRC Semi., Isofilm International, KOMY/KSC Semi., Lambda Semi., KMC, Kertron, Lansdale Electronics, Microwave Associates, Microwave Semi., Monsanto Optoelectronics, MS Transistor, North American Electronics, National Electronics, Nucleonic Products, National Transistor Corp., Pacific Semi. Inc., Parametric Industries Inc., Philco, RCA, Sarkes-Tarzian, Semiconductor Devices Inc., Semcor, Semicon Inc., Sensitron Semi., Solid State Scientific, Solitron Devices, Solid Power Corp., Sperry Semi., Sprague, Sylvania, Syntron, Teledyne Semi., Transitron, TRW Semi., Tung-Sol Electric, Union Carbide Corp., Varo Semi., Wagner Electric, Walbern Devices, Western Transistor, Westinghouse Semi., Westcode Semi.