Companies with certified / registered products for "DIN EN ISO Collective mark"
- Alpha ITC GmbH Zeppelinstr. 73, 81669 München, Germany
- DIWA International Diving Instructor World Association Inh. Wilfried Dickes Mellener Str. 13, 12305 Berlin, Germany
- Nautic Scuba College UG (haftungsbeschränkt) Puchertweg 14 a, 13403 Berlin, Germany
- S.U.B. Tauchsportservice GmbH Wittelsbacherstr. 24, 84347 Pfarrkirchen, Germany