| Company name | Reg. code |
|---|---|
| FORTESQ OÜ | 12635367 |
| FORTESS OÜ | 14025535 |
| "FORTEST REISID" OÜ (former name Fortest Reisid) | 10211933 |
| FORTES DIAS OÜ kustutatud | 11697903 |
| FORTES INKASSO OÜ kustutatud | 11066551 |
| FORTES BUILDING OÜ | 16087486 |
| FORTEGO OÜ | 14883003 |
| FORTSEM OÜ | 14342394 |
| FORTEKS OÜ | 10610923 |
| FORTEUS OÜ kustutatud | 12567812 |
| FORTEXA OÜ kustutatud | 16061209 |
| FORTESIA OÜ kustutatud | 11018150 |
| FORBEST OÜ | 11533834 |
| FORTRESS OÜ | 12739704 |
| FORREST OÜ kustutatud | 14535325 |
| FORTEIST OÜ | 16158750 |
| FORBEST 917 OÜ | 14624494 |
| FORREST OÜ | 17447685 |
| FORTERA OÜ | 16599341 |
| FORTEON OÜ | 17042706 |
| FORTEDA OÜ | 16691621 |
| FORTREST OÜ | 16209110 |
| ARCFOR OÜ (former name Fortes Õigusbüroo OÜ) | 14229427 |
| 1FOREST OÜ kustutatud (former name OÜ GORMILON) | 14170616 |
| FORMES OÜ kustutatud | 10062462 |
| FORTEM OÜ | 16104658 |
| FORESY OÜ kustutatud | 16138568 |
| FORTIS OÜ | 14900428 |
| DIGITAL FORTRESS OÜ kustutatud | 16216535 |
| FORTEZA HOLDING OÜ | 16853822 |
| FORBEST AUTO OÜ | 12617415 |
| FORTECH CAPITAL OÜ kustutatud | 12323659 |
| FORTRESS MAXIMUS OÜ kustutatud | 12101634 |
| FORREST AGRO OÜ (former name Black Crypto OÜ) | 14474032 |
| KTV FORTEKS OÜ | 10360202 |
| SOUND FORTRESS OÜ | 11403675 |
| SAVANTE FORTIST OÜ (former name HobiFin OÜ) | 16046961 |
| FORTECH REFURBISHED OÜ | 17333970 |
| FORREST PROFF OÜ | 17476623 |
| ETERNAL FORTRESS OÜ | 14974740 |
| INTEGRAL FORTRESS OÜ kustutatud | 14133302 |
| FORTEKS PROEKT OÜ | 14558987 |
| FORTUS CAPITAL OÜ (former name Fortus Capital Group OÜ) | 12281464 |
| FORTEM CONSULT OÜ kustutatud | 14195220 |
| BALTIC FOREST OÜ | 12433069 |
| MMC FOREST OÜ | 12073381 |
| FOREST TRANSIT OÜ kustutatud (former name TransBaltic Estonia OÜ) | 12268506 |
| FORTIS HOLDING OÜ | 14493319 |
| SOPHIA FOREST OÜ kustutatud (former name OÜ Purreto-Purtsa Põllud ja Metsad) | 10334825 |
| FOREST STEEL OÜ | 11242516 |