- ABB STOTZ-KONTAKT, Heidelberg
- Albert Handtmann Maschinenfabrik, Biberach
- Altana Pharma, Constance
- avaloq evolution, CH-Zurich
- Bühler, CH-Uzwil
- Bachmann electronic, AT-Feldkirch
- Bosch Siemens Haushaltsgeräte, Munich
- Carl Zeiss, Oberkochen
- Conergy, Hamburg
- Corning Cable Systems, Neustadt b. Coburg
- Daimler AG Mercedes-Benz Global Training, Stuttgart
- Dentsply DeTrey, Constance
- Fresenius Medical Care, Schweinfurt
- Fritz Kübler, Villingen-Schwenningen
- Geberit International, CH-Jona
- Geberit Niederlassungen in AT, CH, IT, FR, NL
- GEZE, Leonberg
- H. Stoll, Reutlingen
- Interroll, Sant' Antonino
- JURA Elektroapparate, CH-Niederbuchsiten
- Kaeser Kompressoren, Coburg
- KaVo Dental, Biberach a. d. Riss
- Lenze Drives, Aerzen
- LISSMAC, Bad Wurzach
- Miele, Gütersloh
- Müller Weingarten, Weingarten
- Multivac Sepp Haggenmüller, Wolfertschwenden
- ND SatCom Defence, Immenstaad
- Rudolf Haufe Verlag, Freiburg
- SICK, Waldkirch and Reute
- SICK MAIHAK, Reute and Meersburg
- Siemens Switzerland, CH-Zug
- STS Schmid Technology, Schwetzingen
- Technolog, Elz
- Theben, Haigerloch
- Vetter Pharma, Ravensburg
- Waldner Laboratory Systems and Waldner School, Wangen i. Allgäu
- Zumtobel Lighting, AT-Dornbirn
- Zumtobel Tridonic Atco, AT-Dornbirn
