| Company name | Reg. code |
|---|---|
| BLUES OÜ (former name Digiekraanid OÜ) | 16062167 |
| BRIGHTS & BLUES OÜ | 16558572 |
| WIN OR BLUES OÜ kustutatud | 12829287 |
| BALTIC BLUES EST OÜ kustutatud | 12375610 |
| SAD BLUES TRUCKING OÜ kustutatud (former name Gladiaattori Holding OÜ) | 14410144 |
| BLUES APE PRODUCTIONS OÜ kustutatud | 12630137 |
| NIGHT OF THE BLUES OÜ kustutatud | 11940433 |
| BLUEST GRUPP OÜ | 10975375 |
| BLUEST BUILDING OÜ | 12678463 |
| BLUE BLUE 3 OÜ | 14858666 |
| BLUE BLUE OÜ | 14726002 |
| BLUE BLUE 4 OÜ | 14858005 |
| BLUE BLUE 2 OÜ | 14857951 |
| BLUE BLUE 1 OÜ | 14858011 |
| BLUETS OÜ | 16976542 |
| BLUMS OÜ (former name Coruscate OÜ) | 14343711 |
| BLUE52 OÜ | 16032278 |
| BLUE OÜ | 12103705 |
| BLUEX TECHNOLOGIES OÜ | 17439355 |
| BLUEW GRUPP OÜ | 16985087 |
| BLUER DIGITAL OÜ | 17102130 |
| BLUER MEEDIA OÜ | 17099758 |
| ETERNAL BLUE OÜ | 16678342 |
| TIGA BLUE OÜ kustutatud | 14828346 |
| BRANDBERRY BLUE OÜ kustutatud (former name OÜ Müügitrikk) | 12675281 |
| NEW BLUE OÜ | 12450211 |
| BLUE CATALYST OÜ | 16771857 |
| BLUE TRADING OÜ | 16704944 |
| BLUE LIGHT OÜ kustutatud | 14378972 |
| BLUE LEAF OÜ (former name ELLERMARINE OÜ) | 14906031 |
| BLUE IDEA OÜ (former name Global Flux Ventures OÜ) | 14156800 |
| BLUE PIGGY OÜ | 11975377 |
| BLUE OAK OÜ | 12726185 |
| BLUE CARACAL OÜ kustutatud | 16597448 |
| BLUE GAS OÜ kustutatud | 12985320 |
| BLUE SALMON OÜ | 14156556 |
| BLUE DOOR OÜ | 16956953 |
| BLUE CRYSTAL OÜ | 12104466 |
| BLUE WATER OÜ | 16172418 |
| BLUE MOON OÜ | 12313170 |
| BLUE PARROT OÜ kustutatud | 11908398 |
| BLUE-MED OÜ | 16188201 |
| BLUE SIRIUS OÜ kustutatud | 12222800 |
| BLUE MARINE OÜ | 11550399 |
| KONO BLUE OÜ | 14472257 |
| BLUE LABEL OÜ | 14308701 |
| BLUE CHOCO OÜ kustutatud | 12924962 |
| BLUE STREAK OÜ | 11461497 |
| BLUE DYNAMICS OÜ | 16476733 |
| BLUE4D OÜ | 12242777 |