| Company name | Reg. code |
|---|---|
| SKYACE OÜ | 17205048 |
| SKYARC OÜ | 16624487 |
| SKYADS OÜ kustutatud | 14681618 |
| SKYCAT OÜ | 14987168 |
| SKYWAVE OÜ | 14186184 |
| SKYCAB OÜ | 16505085 |
| SKYONE OÜ | 16007062 |
| SKYAID OÜ | 17440625 |
| SKYEYE OÜ | 12868710 |
| SKYCAR OÜ | 11289802 |
| SKYBASE OÜ | 16855815 |
| SKYARI OÜ | 12070738 |
| SKYAR OÜ kustutatud | 14235936 |
| SKYWE OÜ | 16448458 |
| SKYAD OÜ kustutatud | 12438173 |
| SKYTTE PUBLISHING OÜ kustutatud | 12610672 |
| SKYADZ AGENCY OÜ | 16804870 |
| SKYWARE DIGITAL OÜ | 17220912 |
| SKYCAR SERVICE OÜ | 12152904 |
| SKYDANCE DEVELOPMENT OÜ (former name Umbrella Networks OÜ) | 12260887 |
| SKYWAVE CLOUD OÜ | 17013219 |
| SKYPE INVEST OÜ | 11120894 |
| SKYTTE BYGGMÄSTARE AB OÜ | 17063074 |
| CENTO CO-OP OÜ (former name Skyence Holdings OÜ) | 16853164 |
| MICROSOFT DEVELOPMENT CENTER ESTONIA OÜ (former name Skype Technologies OÜ) | 11056239 |
| STRACE OÜ | 14383849 |
| SKUARE OÜ | 14196142 |
| SLYAC OÜ | 16607566 |
| SKATE OÜ | 14896036 |
| SPACE 77 OÜ | 16843054 |
| SPACE8 OÜ | 14609360 |
| SPICE SPACE OÜ | 11273480 |
| TECH & SPACE OÜ (former name Tehnoloogiaarenduse OÜ) | 11005489 |
| MIND SPACE OÜ | 16579858 |
| PL SPACE OÜ | 12564587 |
| SPHAERES.SPACE OÜ | 16727299 |
| BIT2SPACE OÜ | 14443830 |
| TECH4SPACE OÜ | 17146788 |
| DANCERS SPACE OÜ | 16839012 |
| SPACE LINE OÜ | 12957737 |
| 8 BITS SPACE OÜ | 14867109 |
| UMESH SPACE OÜ | 14489714 |
| LIZARD SPACE OÜ | 14387540 |
| SPACE IN OÜ | 14782609 |
| WHITE SKATE OÜ | 12958688 |
| SPACE INVEST OÜ | 12142417 |
| GENTLE SPACE OÜ | 16989651 |
| EMONE SPACE OÜ kustutatud | 16358229 |
| MOLIRI SPACE OÜ | 17399489 |
| GRAVITY SPACE OÜ | 16526690 |