| Company name | Reg. code |
|---|---|
| SPRK OÜ | 14158503 |
| SPRK TECH OÜ | 16781873 |
| SPRS OÜ (former name Pinkberg OÜ) | 11611103 |
| SPR OÜ | 17025286 |
| SPR233 OÜ | 17044473 |
| SPRY PROJECT OÜ kustutatud | 11315801 |
| SPR NETWORKS OÜ | 11057032 |
| SPR EESTI OÜ | 12452368 |
| SPR TEHNOLAHENDUSED OÜ | 14732468 |
| NASARAWA KUKOKI OÜ (former name SPR HOOLDUS OÜ) | 16812591 |
| SERK OÜ | 10348557 |
| SPORK OÜ kustutatud | 14973232 |
| MPRK OÜ | 17249264 |
| SPIK OÜ | 10508805 |
| 2SPMK OÜ | 17120116 |
| SPARK OÜ | 12133278 |
| PRK OÜ kustutatud | 12606825 |
| PRK OÜ | 16740549 |
| SRK OÜ | 17161871 |
| SPARK CONSULTING OÜ | 17457947 |
| SPARK TRIO OÜ kustutatud | 10418829 |
| SPARK AFFILIATION OÜ kustutatud | 16507913 |
| SPARK PORTFOLIO OÜ (former name SparkPortfolio Management OÜ) | 16124655 |
| SPARK CAPITAL OÜ (former name SparkCapital OÜ) | 16124661 |
| SARK AV OÜ kustutatud | 10087344 |
| SPARK ADVENTURES OÜ | 16856200 |
| SARK APPAREL OÜ kustutatud | 16653649 |
| SARK & RHIANNON OÜ kustutatud | 12579442 |
| PUHAS SÄRK OÜ | 11741395 |
| WELLNESS SPARK OÜ | 16411202 |
| SPARK SOCIAL OÜ | 14555210 |
| SPARK KAUBANDUS OÜ kustutatud (former name AS Spark) | 10288568 |
| FLYING SPARK OÜ kustutatud | 11726253 |
| SARK ROBOTICS OÜ | 16779994 |
| SPARK GRUPP OÜ | 12346672 |
| MAFFI SORK OÜ | 17115612 |
| SPARK TECHNOLOGIES OÜ | 17037013 |
| WELD SPARK OÜ | 16447039 |
| KS SPARK OÜ | 16208903 |
| SPARK DATA OÜ | 16298935 |
| SPARK DISAIN OÜ | 12947294 |
| SPARK SOLUTIONS OÜ | 14281103 |
| SPARK COMMERCE OÜ | 17151571 |
| LIVELY SPARK OÜ | 16174630 |
| SPARK EVENTS OÜ kustutatud | 12801225 |
| SPARK RESEARCH OÜ | 17282830 |
| SPARK HUB OÜ (former name Unicorn Greenhouse OÜ) | 12906734 |
| SPARK TD OÜ kustutatud | 12718487 |
| SPARK CITY OÜ kustutatud | 12230550 |
| MM SPARK OÜ kustutatud | 14883121 |