From my client base, …
… selection, not exhaustive:

BMW
Steyr (Austria)
Steyr (Austria)
- Bosch Rexroth MT-CNC
- NC and PLC programming

General Motors
Various facilities in North America
Various facilities in North America
- NC and PLC programming
- Bosch Rexroth MTA, MTX
- Bosch Rexroth training

Toyota
Tomakomai (Japan)
Tomakomai (Japan)
- NC and PLC programming
- Bosch Rexroth MTA

VW
Kassel, Salzgitter, Wolfsburg (Germany)
Kassel, Salzgitter, Wolfsburg (Germany)
- NC and PLC programming
- Bosch Rexroth MTA, MTX, Reco

ZF
Brandenburg and Saarbrücken (Germany)
Brandenburg and Saarbrücken (Germany)
- NC and PLC programming
- Bosch Rexroth MTA, MTX

PRÄWEMA Antriebstechnik
Eschwege (Germany)
Eschwege (Germany)
- Programming of the Synchrofine series

Mag
Eislingen and Göppingen (Germany)
Eislingen and Göppingen (Germany)
- Interface programming
- Surface programming in C++ and QT5 for SIEMENS 840D

Bosch Rexroth
Lohr (Germany)
Lohr (Germany)
- Surface programming in C#