Alimentations
| AEG | COUTANT | LEGRAND | TELEMECANIQUE |
| AGDE | DELTA TRONIC | MELTEX | WESTINGHOUSE |
| AGFA | DURAG | MITSUBISHI | |
| ALCATEL | FERRUS | MOBA | |
| ALSTHOM | GORING KERR | NMB | |
| APRIL | HANDTMANN | OLTRONIC | |
| ASTEC | IBM | SHARP | |
| BOSCH | IMAJE | SIEMENS | |
| CEGELEC | IMUNELEC | SIMPLEX | |
| COMELTI | LAMBDA | SODILEC |