| Company name | Reg. code |
|---|---|
| BIGRAK OÜ | 17471169 |
| BIGCAT OÜ kustutatud | 14526823 |
| BIGRUN OÜ kustutatud | 14265191 |
| BIGCAR OÜ | 14988765 |
| BIGDAY OÜ | 17444899 |
| BIGBAG OÜ kustutatud | 11351346 |
| BIGAO OÜ kustutatud | 14554245 |
| BIGAS OÜ | 16122662 |
| BIGAV OÜ (former name TRANSLIIS OÜ) | 12452569 |
| BIGCAT TRADE OÜ | 16836321 |
| BIGBAI CONSULTING OÜ | 12588702 |
| BIGMAN T OÜ (former name Aasna Strength & Conditioning OÜ) | 16315415 |
| TÖÖRIIDED BIGMAN OÜ | 11298669 |
| BIGSAM GRUPP OÜ | 16819877 |
| BIGAS NIPPONIA OÜ | 16135245 |
| BIGTA PRODUCTION OÜ | 16650310 |
| B-BIRAK OÜ (former name MOHAMMED BIRAK OÜ) | 16231996 |
| NITRAK OÜ kustutatud | 14204673 |
| BIRGAM OÜ (former name Birgam Teenused OÜ) | 16185154 |
| BYGRAD OÜ | 17208526 |
| PIIRAK OÜ | 17131083 |
| BIORAN OÜ kustutatud | 11477188 |
| TIGRAM OÜ | 11651982 |
| BITRAY OÜ kustutatud | 12073949 |
| BIRAKE OÜ (former name Fin4Bit OÜ) | 14612468 |
| SIMRAK OÜ (former name OÜ Simrka) | 16844651 |
| VIGRAL OÜ | 12005126 |
| SILRAK OÜ | 16252034 |
| BAGAAK OÜ | 12796599 |
| FINRAK OÜ | 11300892 |
| MIGREK OÜ | 14358930 |
| BATRAK OÜ kustutatud | 10297751 |
| BITFAK OÜ | 14265251 |
| BITRAM OÜ (former name S2S Reactor OÜ) | 14413177 |
| SIGRAU OÜ kustutatud | 14501438 |
| DIGRA OÜ | 10722958 |
| IGRAP OÜ | 16391741 |
| BIRRA OÜ | 16908517 |
| IDRAK OÜ (former name OÜ Arhitekt K) | 14202368 |
| SILRAK INVEST OÜ | 16402219 |
| DIGRAM TRADE OÜ kustutatud | 11120492 |
| AB-BIOGRAF OÜ | 12577456 |
| TIGRAN PLUS OÜ | 10161833 |
| BIZJAK TECH OÜ | 17407734 |
| BAURAK RAKENNUS OÜ kustutatud | 12955572 |
| TIGRAN&EDVARD OÜ kustutatud | 12584153 |
| TIGRAM CONSULT OÜ kustutatud | 16120893 |
| TIGRAM DESIGN OÜ | 12088690 |
| RIKRAK CONSTRUCTIONS OÜ | 16658531 |
| BITREK LOGISTICS OÜ | 14028284 |