Variateurs de vitesse et démarreurs
| ABB | DANFOSS | KLOCKNER MOELLER | RELIANCE ELECTRIC |
| ACOMEL | EMS | LENZE | SEIDEL |
|
ALLEN BRADLEY |
ESCOSTART | LEROY SOMER | SEW USOCOME |
| ALSTOM | EUROTHERM | LUST | SIEMENS |
| AOIP | FAGOR | MAGNETEK | TELEMECANIQUE |
| BAUER | HITACHI | MITSUBISHI | TOSHIBA |
| BAUMULLER | INDRAMAT | NORDAC | VARISPEED |
| BBC | INFRANOR | OMRON | VECTROHM |
| CEGELEC | JUNGHEINRICH | PARVEX | YASKAWA |
| CURTIS | KEB | POSITEC |