| Ettevõtte nimi | Reg. kood |
|---|---|
| FIBER OÜ | 16727916 |
| VKG FIBER OÜ | 16885928 |
| FIBER FILM OÜ | 11108717 |
| FIBER GRID OÜ kustutatud | 12183141 |
| IRIS FIBER OÜ | 10317139 |
| FIBER-GEN OÜ | 14883960 |
| CRAYO FIBER OÜ kustutatud | 16037577 |
| FIBER TRANS OÜ | 11674380 |
| FIBER VALLEY OÜ | 10809671 |
| FIBER DESIGN OÜ | 14256223 |
| BALTIC FIBER OÜ kustutatud | 11116177 |
| FIBER TELECOM OÜ | 16598407 |
| FIBER CARAVAN OÜ | 12837447 |
| FIBER SOLUTION OÜ | 16636119 |
| FIBER SERVICES OÜ kustutatud | 11661064 |
| ESTONIAN FIBER OÜ | 14350488 |
| FIBER CONSTRUCTION OÜ (endine nimi Redzone OÜ) | 14733485 |
| BALTIC STEEL FIBER OÜ | 11111926 |
| FIBER TEXTILE GROUP OÜ | 14252343 |
| NATURAL FIBER GROUP OÜ | 14864632 |
| FIBERD OÜ kustutatud | 14022761 |
| BEST FIBERS OÜ | 14518155 |
| FIBERA TRADE OÜ kustutatud | 10919218 |
| GRIND FIBERS OÜ | 14528029 |
| FIBERA GRUPP OÜ kustutatud | 10919158 |
| NAFEN FIBERS OÜ | 14345702 |
| BALTIC FIBERS OÜ (endine nimi Aerosolex Baltic OÜ) | 14676592 |
| FIBET OÜ | 14452467 |
| FIBRE WOLF OÜ | 12202068 |
| FIBUR VEOD OÜ (endine nimi Fibur Veod UÜ) | 14348356 |
| FIBUR EHITUS OÜ (endine nimi Fibur Ehitus UÜ) | 14348439 |
| FIBERUP OÜ | 14296004 |
| FIBERAT OÜ | 14238366 |
| FIBERTY OÜ | 14975395 |
| FIBERPY OÜ | 14991141 |
| FIBERNET OÜ | 12989849 |
| FIBERLED OÜ | 12910977 |
| FIBERMAN OÜ | 12421646 |
| FIBERFIX OÜ | 12426572 |
| FIBERNORD OÜ | 16615778 |
| FIBERTECH OÜ kustutatud | 16224302 |
| FIBERLAND OÜ | 14373124 |
| FIBERLINK OÜ | 16960446 |
| FIBERFLEX OÜ | 12834638 |
| FIBERGLASS OÜ | 12204200 |
| FIBERWORKS OÜ | 16933931 |
| FIBERSCHEMA OÜ | 17434116 |
| FABER OÜ (endine nimi AV Capital Grupp OÜ) | 12897366 |
| FIXER OÜ kustutatud | 12271508 |
| FIGER OÜ | 14535207 |