| Company name | Reg. code |
|---|---|
| NLSOUND OÜ | 17326740 |
| ALSOUND OÜ | 12933961 |
| ELESOUND OÜ | 11152026 |
| MSSOUND OÜ kustutatud | 12704717 |
| NEOSOUND OÜ kustutatud | 14160090 |
| TNSOUND OÜ | 12896674 |
| VXSOUND OÜ | 16653678 |
| IXSOUND OÜ | 16441976 |
| ETSOUND OÜ (former name ENEVENTS OÜ) | 17383991 |
| RESOUND OÜ | 14978465 |
| SOUND OÜ | 12354128 |
| SOUND & SOLID OÜ | 16620093 |
| BENOR SOUND OÜ kustutatud | 10367871 |
| SOUND EXTRACTION OÜ | 17111241 |
| BENOR SOUND OÜ kustutatud | 14282350 |
| SAFE & SOUND OÜ | 12736798 |
| ESTONIAN SOUND OÜ | 14721714 |
| SOUND DESIGN OÜ | 11289251 |
| KELDRI SOUND OÜ kustutatud | 16486720 |
| SKY SOUND OÜ kustutatud | 12226258 |
| SOUND MASTERS OÜ kustutatud | 11288820 |
| KUNDER & SOUND OÜ (former name KUNDER-S OÜ) | 10545841 |
| BSM SOUND OÜ | 11993926 |
| SOUND EVENTS OÜ kustutatud | 16541138 |
| KAYAN SOUND OÜ | 12370363 |
| SOUND EXPERT OÜ | 14308227 |
| G-SOUND OÜ kustutatud | 11445030 |
| DELUXE SOUND OÜ | 17062749 |
| SK SOUND OÜ | 16681781 |
| SOUND MILL OÜ | 14102402 |
| EP SOUND OÜ | 17029338 |
| BETTER SOUND OÜ | 16426445 |
| BUBBO SOUND OÜ kustutatud | 12579583 |
| SOUND SHOT OÜ | 12936563 |
| PREMIUM SOUND OÜ | 14804989 |
| NANAS SOUND OÜ (former name All Trades Digital OÜ) | 16028176 |
| ALTERION SOUND OÜ | 16435510 |
| SETHH SOUND OÜ | 12197491 |
| SOUND CAPITAL OÜ | 10934382 |
| GREEN SOUND OÜ | 12061432 |
| SOUND ACADEMY OÜ | 16800760 |
| ME SOUND OÜ | 17353978 |
| DEEPER SOUND OÜ | 11275680 |
| SOUND FORTRESS OÜ | 11403675 |
| PUG SOUND OÜ | 16728844 |
| SOUND&VOLUME OÜ | 16576156 |
| LIVE SOUND OÜ (former name OÜ Donna Design Estonia) | 12926337 |
| ANGEL SOUND OÜ | 16030109 |
| KK SOUND OÜ | 14563132 |
| SOUND GROUP OÜ | 11410273 |