| Dolphin Dive Resort Sithonia North East Aegean | North East Aegean | Sithonia |
| Dolphin Diving Center Rethymno Crete | Crete | Rethymno |
| Dolphin Diving Center Skiathos Sporades | Sporades Islands | Skiathos |
| Enalios Diving Center Katerini North East Aegean | North East Aegean | Katerini |
| Enalios Diving Center Olympos North East Aegean | North East Aegean | Olympos |
| Eurodivers Paros Cyclades | Cyclades | Paros |
| Eurodivers Zakynthos Ionian Islands | Ionian Islands | Zakynthos |
| European Diving Institute Heraklion Crete | Crete | Heraklion |
| Extreme Divers Ilioupoli Saronic Islands | Saronic Islands | Ilioupoli |
| Fiskardo Divers Kefalonia Ionian Islands | Ionian Islands | Kefalonia |
| Fun Dive Chania Crete | Crete | Chania |
| Go Extreme Adventure Club Alexandroupoli North East Aegean | North East Aegean | Alexandroupoli |
| H2O Diving Center Rhodes Dodecanese | Dodecanese | Rhodes |
| Heraklion Diving Center Crete | Crete | Heraklion |
| Hippocampos Bali Dive Center Rethymno Crete | Crete | Rethymno |
| Hydrovius Diving Center Leros Dodecanese | Dodecanese | Leros |
| Ikion Diving Alonnisos Sporades Islands | Sporades Islands | Alonnisos |
| Ionian Divers Corinthian Gulf | Corinthian Gulf | Patra |
| Island X-treme Tinos Cyclades | Cyclades | Tinos |
| Kalafati Dive Center Mykonos Cyclades | Cyclades | Mykonos |
| Kalamos Divers Kymi-Aliveri Sporades Islands | Sporades Islands | Kymi-Aliveri |
| Kallianos Diving Center Ermioni Saronic Islands | Saronic Islands | Ermioni |
| Kalymnos Diving Center Dodecanese | Dodecanese | Kalymnos |
| Kalymnos Diving Club Dodecanese | Dodecanese | Kalymnos |
| Kalypso Rock's Palace Dive Center Rethymno Crete | Crete | Rethymno |
| Karpathos Diving Center Dodecanese | Dodecanese | Karpathos |
| Kavala Diving Center Filippos Sub North East Aegean | North East Aegean | Kavala |
| Kirithras Vangelis Chios North East Aegean | North East Aegean | Chios |
| Korinthos Diving Centre Corinthian Gulf | Corinthian Gulf | Corinth |
| Kos Divers Dodecanese | Dodecanese | Kos |
| Lefkas Diving Center Ionian Islands | Ionian Islands | Lefkada |
| Lemnos Dive Center North East Aegean | North East Aegean | Lemnos |
| Lesvos Scuba Oceanic Centre North East Aegean | North East Aegean | Lesvos |
| Liamis Dive Centre Kos Dodecanese | Dodecanese | Kos |
| Lihadonisia Diving Center Istiaia-Aidipsos Sporades ISlands | Sporades Islands | Istiaia-Aidipsos |
| Lucky Scuba Divers Nafplio Saronic Islands | Saronic Islands | Nafplio |
| Makridakis Diving Heraklion Crete | Crete | Heraklion |
| Mediterranean Dive Center Piraeus Saronic Islands | Saronic Islands | Piraeus |
| Mediterranean Dive Club Santorini Cyclades | Cyclades | Santorini |
| Milos Diving Center Cyclades | Cyclades | Milos |
| Mykonos Diving Center Cyclades | Cyclades | Mykonos |
| Mylopotas Watersports Ios Cyclades | Cyclades | Ios |
| Nafplio Diving Center Saronic Islands | Saronic Islands | Nafplio |
| Nautilus Diving Club Lefkada Ionian Islands | Ionian Islands | Lefkada |
| Navys Waterworld Dive Centre Santorini Cyclades | Cyclades | Santorini |
| Naxos Diving Center Cyclades | Cyclades | Naxos |
| Nireas Diving Center Sithonia North East Aegean | North East Aegean | Sithonia |
| Octopus Diving Center Skiathos Sporades | Sporades Islands | Skiathos |
| Odyssey Dive Club Kassandra North East Aegean | North East Aegean | Kassandra |
| Orionas Dive Center Kalamaria North East Aegean | North East Aegean | Kalamaria |
Diving in Greece