STMicroelectronics(55) Texas Instruments(78) Analog Devices Inc.(12) Infineon Technologies(137) Siliconix / Vishay(44) NXP Semiconductors(1) ON Semiconductor(206) ROHM Semiconductor(43) Freescale(3) Apex Microtechnology(15) AKM Semiconductor, Inc.(7) Allegro MicroSystems(6) EPC(2) Fairchild / ON Semiconductor(33) Intersil / Renesas(1) Infineon / IR(29) Maxim Integrated(15) Monolithic Power Systems (MPS)(21) Microchip Technology / Micrel(20) NJR (New Japan Radio)(3) NXP / Freescale(14) Power Integrations(14) Powerex, Inc.(9) Panasonic Electronic Components(4) Renesas Electronics America(26) Sanyo Semiconductor / ON Semiconductor(10) Semtech(2) Skyworks Solutions Inc.(4) Sanken Electric Co., Ltd.(21)