There are the FIRST Pro Center, in Germany and Austria
- ITC Instructor Training College Sascha Jügel & Team
- Diving tower Seiresberg Christian and Iris Kozmuth
- Special Dive Michael Koch
- Sharktime-Peter Regenhart
- Stuffis boat rental
- Diving.de CRES Mario & Jutta Hofer
- Diving Center Vienna Hans Teibtner & Team
- Gerald Six diving.at & swim4me.at
- Rovinj Diving
Status September 2023
