| Ettevõtte nimi | Reg. kood |
|---|---|
| FORTESS OÜ | 14025535 |
| FORTESQ OÜ | 12635367 |
| FORTEUS OÜ kustutatud | 12567812 |
| FORTRESS OÜ | 12739704 |
| FORTEKS OÜ | 10610923 |
| INTEGRAL FORTRESS OÜ kustutatud | 14133302 |
| FORTEKS PROEKT OÜ | 14558987 |
| KTV FORTEKS OÜ | 10360202 |
| ETERNAL FORTRESS OÜ | 14974740 |
| DIGITAL FORTRESS OÜ kustutatud | 16216535 |
| FORTRESS MAXIMUS OÜ kustutatud | 12101634 |
| SOUND FORTRESS OÜ | 11403675 |
| "FORTEST REISID" OÜ (endine nimi Fortest Reisid) | 10211933 |
| FORTES BUILDING OÜ | 16087486 |
| FORTES INKASSO OÜ kustutatud | 11066551 |
| FORTES DIAS OÜ kustutatud | 11697903 |
| SPIRE FORTRESS TECHNOLOGIES OÜ | 12267435 |
| FORTRESS OCCIDENT HOLDING OÜ kustutatud | 12950014 |
| FORNEUS OÜ | 16552233 |
| FORTIUS OÜ | 16617599 |
| FORTREST OÜ | 16209110 |
| FORTEON OÜ | 17042706 |
| FORTERA OÜ | 16599341 |
| FORBEST OÜ | 11533834 |
| FORTEDA OÜ | 16691621 |
| FORREST OÜ | 17447685 |
| FORBASS OÜ | 12415887 |
| FORTEIST OÜ | 16158750 |
| FORBEST 917 OÜ | 14624494 |
| FORMETS OÜ | 14559320 |
| 5FORESTS OÜ | 16575429 |
| FORTKAS OÜ | 16626532 |
| FORTSEM OÜ | 14342394 |
| FORTEXA OÜ kustutatud | 16061209 |
| FORTESIA OÜ kustutatud | 11018150 |
| FORTEGO OÜ | 14883003 |
| FORREST OÜ kustutatud | 14535325 |
| FORTECH REFURBISHED OÜ | 17333970 |
| FORMEKS GRUPP OÜ | 10546071 |
| FORREST AGRO OÜ (endine nimi Black Crypto OÜ) | 14474032 |
| HAANJA FORESTS OÜ kustutatud | 12148328 |
| NEW FORESTS OÜ | 10846077 |
| SAVANTE FORTIST OÜ (endine nimi HobiFin OÜ) | 16046961 |
| FORTIUS SERVICES OÜ | 16439778 |
| FORMLESS ARTS OÜ kustutatud | 14686886 |
| FORTREXS GLOBAL OÜ | 14610630 |
| FORTECH CAPITAL OÜ kustutatud | 12323659 |
| FORTEZA HOLDING OÜ | 16853822 |
| FORTIUS SPORT OÜ (endine nimi AGERA House OÜ) | 16356683 |
| FORBEST AUTO OÜ | 12617415 |