| AEM | FUJI | NEC | SHIHENG |
| AEROVOX | FUZETEC | NENSHI | SHINDENGEN |
| AMOTECH | GALAXY | NICHICON | SHINKO |
| AMPRON | GLORYTECH | OKAYA | SHIXIN |
| ARCOTRONICS | HOKURIKU | ON SEMICONDUCTOR | SHIZUKI |
| AUPO | HOLLY | OTTER | SIBA |
| AVX | INFINEON | PACIFIC ENGINEERING | SONY |
| BEL | IR | PANASONIC | ST |
| BOURNS | IRC | PANJIT | SUMIDA |
| CADDOCK | JENNFENG | PEPI | SUNLORD |
| CERATECH | JINKE | PICO | TDK |
| CHANGHENG | JOINSET | PHILIPS | TAKANAWA |
| CITEL SA | JOINTFORCE | POLYTRONICS | THERMIK |
| CMAC | JOYIN | PROTECTRONICS | THERMTROL |
| CMD | KAMAYA | RAYCHEM | THERMOMETRICS |
| CONCORD | KEKO | RENESAS | THINKING |
| CONQUER | KEMIN | ROHM | TI |
| COOPER-BUSSMAN | KETER | SAMPOO | TII |
| CTS | KRIWAN | SANCOSHA | TOSHIBA |
| DAITO | KUOYUH | SAN-O | UCHIHASHI |
| DESHENG | KYOCERA | SAVEFUSE | VISHAY |
| DIODES | LITTELFUSE | SCHURTER | WALTER |
| DIOTEC | MAIDA | SEALAND | WAY-ON |
| DYE | MATSUSHITA | SEKI | WEILIN-WECC |
| EMERSON (TOD) | MICROSEMI | SEMITEC (ISHIZUKA) | WICKMANN |
| EPCOS | MITSUBISHI | SEMTECH | XIWUER |
| FAIRCHILD | MMC | SEMIWILL | ZOV |
| FERRAZ-SHAWMUT | MURATA | SHIBAURA |
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