| Ettevõtte nimi | Reg. kood |
|---|---|
| COLLIGX OÜ | 17306275 |
| COLLIER OÜ kustutatud | 11921757 |
| COLLINS CATERING OÜ | 16047073 |
| COLLAGE LO OÜ | 12620423 |
| COLLINS GROUP OÜ | 16129463 |
| BRIDGE COLLEGE OÜ kustutatud | 12199679 |
| TEAM COLLINS OÜ | 16131589 |
| EDUCALER COLLEGE OÜ | 16871441 |
| WOOF COLLEGE OÜ | 16849469 |
| LA COLLINA OÜ | 12486456 |
| COLLEGE OF WIZARDRY OÜ kustutatud | 14631299 |
| COLLEGE OF EXTRAORDINARY EXPERIENCES OÜ | 14614533 |
| EUROPEAN COLLEGE OF POLYTECHNICS OÜ | 16291442 |
| KING SALMAN INTERNATIONAL COLLEGE OÜ | 16983281 |
| EUROPEAN COLLEGE OF PROFESSIONAL STUDIES & RESEARCH OÜ kustutatud | 14348474 |
| ROLLINX EHITUS OÜ | 14371355 |
| ÖLLIX OÜ | 14688328 |
| CALLIX FINANCE OÜ | 14705098 |
| CALLIX INVEST OÜ | 17043918 |
| FLAMEKO LAAGRI OÜ | 14307564 |