| Company name | Reg. code |
|---|---|
| FRONTER OÜ | 11740332 |
| FRONTER IB OÜ | 10553846 |
| FRONTER CONSTRUCTION CONSULTING OÜ | 12711657 |
| FRONTERA OÜ kustutatud | 10629880 |
| FRONTERA OÜ | 17166911 |
| FRONTRE OÜ | 12256756 |
| FRONTERAS OÜ kustutatud | 12463194 |
| FRONTIER PUBLISHING OÜ kustutatud | 14037679 |
| FRONTIER HOCKEY OÜ | 10764299 |
| FRONTIER HOLDING OÜ | 16829255 |
| FRONTIER VECTORS OÜ | 16557644 |
| FRONTIER ZERO OÜ kustutatud (former name Fuzzy Ops OÜ) | 14711756 |
| FRONTE PARTE OÜ (former name Gastrologic OÜ) | 14256111 |
| NEW FRONTIER SERVICES OÜ kustutatud | 14885387 |
| DIGITAL FRONTIER EUROPE OÜ (former name INTU VR Production OÜ) | 14151211 |
| FRONTIERA OÜ | 14950604 |
| FRONTON OÜ | 10284903 |
| FROZMER OÜ | 16406247 |
| FROGGER OÜ kustutatud | 17202216 |
| FRONTECH OÜ | 16320534 |
| FRONTEST OÜ kustutatud | 12529616 |
| FROSVER OÜ kustutatud | 12328148 |
| FRONTMEN OÜ | 16465221 |
| FRONTSERV OÜ kustutatud | 12341462 |
| FRONTEIRA OÜ (former name 1 ADVICE OÜ) | 12891056 |
| FRONTIS OÜ kustutatud | 11108114 |
| FROSTED OÜ | 14349114 |
| FRONTAL OÜ kustutatud | 11417878 |
| FRONTEKS OÜ | 12758630 |
| FRONTEND SOLUTIONS OÜ | 16788071 |
| POLISHED FRONTEND OÜ | 16467071 |
| FRONTAL GRUPP OÜ kustutatud | 14050007 |
| FROSTED PRIME OÜ | 17055146 |
| PARSEC FRONTIERS OÜ kustutatud | 14405031 |
| FRONTME DESIGN OÜ | 16187696 |
| FRONTECH SUPPORT OÜ | 16743418 |
| FULL FRONTAL OÜ | 11530853 |
| FRONTECA GROUP OÜ | 17387718 |
| NORDIC FRONTAL OÜ kustutatud | 12136093 |
| FRONTON-EHITUS OÜ kustutatud | 10320562 |
| BUSINESS NEW FRONTIERS OÜ | 11690226 |
| FLOATER OÜ | 14631589 |
| FIONTAR OÜ kustutatud | 14790589 |
| PRINTER OÜ | 11894265 |
| FRÄNXTER OÜ | 16589644 |
| FERONDER OÜ | 10381397 |
| FRANZER OÜ | 17391097 |
| ABONTER OÜ kustutatud | 12048006 |
| FORONTE OÜ | 10228106 |
| IRONTEC OÜ | 14187442 |