 Duikschool Divers | Brummen |
| Aqualive Duiksport | Apeldoorn |
| Delta Phi Diving | Apeldoorn |
| Duikwel | Apeldoorn |
| G&W diving | Apeldoorn |
| R&S Diving Apeldoorn | Apeldoorn |
| Scuba World | Arnhem |
| Utopia Diving | Brummen |
| Scuba Services | Ede |
| Zandokhan-Diving | Harderwijk |
| DON Diving | Nijmegen |
| Spac Sport B.V. | Nijmegen |
| Duikcentrum Over-Betuwe | Oosterhout |
| Kano en duiksport Zaltbommel | Zaltbommel |
| EL Diving | Zelhem |
| ITDA | Zelhem |
| Duikcentrum Bigbubbles | Zutphen |
| Minke-dive | Harderwijk |
 Caretta Diving | Apeldoorn |
| Scuba DT Blue Lagoon | Apeldoorn |
| Duikschool Educa-Sub | Arnhem |
| Sea Diving | Arnhem |
| Duikschool BluePace | Didam |
| Stichting Scuba4All | Geldermalsen |
| Duikteam Worldwide Harderwijk | Hierden |
| Kaaiman | Nijmegen |
| Hammerhead Technical Diving | Rhenen |
| Scubalife dive educations | Wijchen |
| De Beldert | Zoelen |
| DS Pomacanthus Zutphen | Zutphen |
