| Company name | Reg. code |
|---|---|
| SCOUTS MTÜ | 80417337 |
| SIUTS MTÜ | 80607124 |
| UNDRAFTED SPORTS MTÜ | 80670329 |
| SPORTS DEVELOPMENT MTÜ | 80615738 |
| AK SPORTS MTÜ | 80643539 |
| DIRTY SOUTH MTÜ | 80348740 |
| SC E-SPORTS MTÜ kustutatud | 80599407 |
| TAMMISTE SPORTS CLUB MTÜ | 80625748 |
| RJ HEALTH & SPORTS MTÜ kustutatud | 80570651 |
| SOUTH-EST ATV MTÜ | 80581293 |
| GOLDEN SOUTH GYM MTÜ | 80377368 |
| KAYAK REALM SPORTS CLUB MTÜ (former name Mittetulundusühing Kayak Realm Sports Club) | 80593669 |
| SPORTS CLUB DOUBLE V MTÜ kustutatud | 80569168 |
| A & L SPORTS ADVISORY MTÜ kustutatud | 80379924 |
| ANIJA SPORTS, CULTURE & ART ACADEMY MTÜ | 80404875 |
| IDPA SHOOTING SPORTS ORGANIZATION ESTONIA MTÜ (former name MTÜ IDPA Estonia) | 80287458 |
| WORKING RETRIEVERS OF SOUTH ESTONIA MTÜ | 80630123 |
| INSTITUTE OF CULTURE AND SPORTS SCIENCE MTÜ kustutatud | 80624542 |
| BALTIC SEA JET SPORTS BOATING ASSOCIATION MTÜ kustutatud | 80378600 |
| NORTH EUROPEAN INSTITUTE OF SPORTS METHODOLOGY AND MEDICAL BIOLOGY MTÜ kustutatud | 80355941 |