| Company name | Reg. code |
|---|---|
| IB3 OÜ | 16785322 |
| IB1969 OÜ | 16891308 |
| IB JUP OÜ | 12724482 |
| IB TECH OÜ | 14228681 |
| GILD IB OÜ | 11884290 |
| IB RÄHNI OÜ | 14278816 |
| IB47HEN OÜ | 14683362 |
| IB LINES OÜ | 16830075 |
| ENEKO IB OÜ | 12032719 |
| IB METALL OÜ | 14454437 |
| IB ENERGY OÜ | 10818820 |
| IB STUDIO OÜ | 14061471 |
| IB TARIND OÜ kustutatud | 12731157 |
| IB INVEST OÜ | 16074147 |
| IB KRATES OÜ | 10329362 |
| IB HOLDING OÜ | 11880955 |
| IB PROJEKT OÜ | 12452546 |
| ERKNORD IB OÜ kustutatud | 12637381 |
| KUUSIKU IB OÜ | 11836776 |
| FRONTER IB OÜ | 10553846 |
| TREVORIN IB OÜ kustutatud | 14374307 |
| IB CONSULTING OÜ | 14751715 |
| IB MANAGEMENT OÜ | 10224752 |
| ZIMMERMANN IB OÜ (former name Simmermann IB OÜ) | 12360318 |
| BREMERSEITE IB OÜ | 12638771 |
| A&R IB OÜ | 14303879 |
| ELMEK-IB OÜ | 10320421 |
| IB&K GRUPP OÜ kustutatud | 12865047 |
| IB VOGT EESTI OÜ kustutatud | 16640871 |
| IB&GE ADVISOR OÜ | 16122656 |
| IB LEHAR LEETSAAR OÜ | 14137501 |
| JOHANNES PELLO IB OÜ | 11131550 |
| IB MOODUL PROJEKT OÜ | 12860512 |
| IB TRANSPORT GROUP OÜ (former name OÜ Amare Roose) | 14164490 |
| IB CONSULTING GROUP OÜ | 12411381 |
| IB ENTREPRISE GÉNÉRALE OÜ kustutatud | 16057384 |
| AL&IB KINNISVARA OÜ | 16559324 |
| IB SCHOOL JOBS.COM OÜ | 14744514 |
| KVIB OÜ kustutatud (former name OÜ Kvaliteedijuhi IB) | 11473658 |
| CHANUA ASHKARKHIL OÜ kustutatud (former name IB Genetics OÜ) | 11420515 |
| IBK OÜ kustutatud | 14829713 |
| IBF OÜ | 10840391 |
| IBF OÜ kustutatud | 11385931 |
| IBC OÜ | 16203828 |
| IBR OÜ kustutatud | 10046291 |
| IBMC OÜ | 17286874 |
| IBAH OÜ kustutatud | 12554873 |
| IBWR OÜ | 14390223 |
| IBEX OÜ | 12247251 |
| IBBP OÜ (former name Rubicon Bit OÜ) | 14928674 |