| Company name | Reg. code |
|---|---|
| IN-OUT24 OÜ kustutatud | 12489874 |
| IN-OUT KINNISVARA OÜ | 17110856 |
| OUTPUT INC. | 60635444 |
| OUTIN INVEST OÜ | 14265104 |
| OUTSOLD INVEST OÜ | 12974374 |
| OUTER REEF YACHTS, INC. (former name OUTER REEF YACHTS, INC.,) | P03000099188 |
| OUTRAGE INTERNATIONAL OÜ | 14726396 |
| INDUSTRIAL OUTSOURCING OÜ kustutatud | 11925345 |
| 3IN1 OÜ | 12997919 |
| IN1 OÜ kustutatud | 16324621 |
| IN OÜ kustutatud | 12303496 |
| IN OÜ | 16620101 |
| RETEC IN OÜ (former name Amtek Projektid OÜ) | 12663042 |
| ROSALINDA IN OÜ kustutatud | 10315986 |
| IN INVEST OÜ kustutatud | 16314964 |
| AD IN OÜ | 10973815 |
| IN- LEX OÜ kustutatud | 14219630 |
| MODA IN OÜ kustutatud (former name Pranafoods OÜ) | 12601466 |
| IN TRADING OÜ kustutatud | 12394234 |
| IN WOOD OÜ kustutatud | 12142857 |
| IN PECTORE OÜ | 16175799 |
| HYALURON-IN OÜ kustutatud | 14639220 |
| IN-CAR OÜ kustutatud | 10226998 |
| AKO IN OÜ | 12065016 |
| IN CONSULTING OÜ | 12274719 |
| IN2VIEW OÜ | 16620976 |
| IN BEAUTY OÜ | 12918803 |
| SPACE IN OÜ | 14782609 |
| IN-DI OÜ (former name OÜ KOBAR PROJEKT) | 11355433 |
| IN100GRAM OÜ (former name RB Global OÜ) | 17021561 |
| MAMEX IN OÜ kustutatud | 14210876 |
| KADAJA IN OÜ | 16073372 |
| IN KAUP OÜ kustutatud | 10224002 |
| INVESTMENTS IN OÜ | 11586931 |
| IN FAVOREM OÜ | 10860258 |
| STUDIO-IN OÜ kustutatud | 11159790 |
| IN NOMINE OÜ | 10756839 |
| IN EHITUS OÜ | 14542383 |
| IN TIME OÜ | 12061107 |
| IN GAIN OÜ | 17094070 |
| IN POINT OÜ | 12600805 |
| IN-KA OÜ kustutatud | 16041410 |
| IN4PLAY OÜ (former name Romgrav OÜ) | 14946494 |
| IN PRAXI OÜ | 10483755 |
| CREDIT IN OÜ | 12223567 |
| IN-STATERA OÜ | 14502610 |
| COFFEE IN OÜ | 10933767 |
| GAMEBRA.IN OÜ | 14547630 |
| IN VIVO OÜ | 10198517 |
| IN-SPORT OÜ kustutatud | 10143918 |