ST Microelectronics, NXP, Toshiba, Samwha, Everlight, Lumileds, Nuvoton, Deki, SiSemi, Sunon, ROHM, Sharp, Panasonic, Fronter, Winbond, Ik Semicon, TE, Gilard/NG, Success, Osram, EVE, Thinking, Mitsubishi, Songchuan, Yageo, Trinnotech, Takcheong, Diotec, Rayex Elec, Htckorea, Kingway, Kingston, WeEN, Watts.