 | Actinia |
| http://www.actinia.org | Mailing Address: balticfinance Werkstrasse 12 24955 Harrislee Germany Tel:+49 461 160630 |
 | AIDA - International Association for the Development of Apnea |
| https://www.aidainternational.org | Mailing Address: Swiss Post Box: 100864 Zurcherstrasse 161, CH-8010 Zurich Switzerland |
 | AIOSS - Italian Association of Scientific Divers |
| http://www.aioss.info | Mailing Address: c/o Centro Interdipartimentale di Ricerca per le Scienze Ambientali in Ravenna, Alma Mater Studiorum - Università di Bologna Via S. Alberto 163, 48123 Ravenna Italy |
 | Aquatil |
| https://aquatil.org/ | Mailing Address: Derendinger Str. 106 72072 Tübingen Germany Tel: +49 7071 8598353 |
 | Cyprus Dive Center Association |
| https://cyprusdiving.org.cy/ | Mailing Address: Cyprus Chamber of Commerce and Industry 38, Grivas Dhigenis Ave & 3, Deligiorgis Str, P.O.Box 21455 1509 Nicosia Cyprus |
 | DAN Europe Foundation |
| https://www.daneurope.org/ | Mailing Address: Contrada Padune 11 Roseto degli Abruzzi (Te) 64020 Italy Tel:+39 85 893 03 33 |
 | DDI - Disabled Divers International |
| https://www.ddivers.org | Mailing Address: Tas-Sultan, Triq Zaqi, Iz-Zebbug ZBB1511 Gozo Malta Tel:+45 77 345 340 |
 | IAHD - International Association for Handicapped Divers |
| https://www.iahd.org/en/ | Mailing Address: Postbus 171 7940 AD Meppel The Netherlands Tel:+ 31 522 242593 |