| ORLNADI | |
| ORODA TECHNICAL SOLUTIONS | |
| ORODA TECHNICAL SOLUTIONS, S.L. | |
| OROFLEX | |
| OROZ | |
| ORSI | |
| ORTIFLOR | |
| ORTIGOSA | |
| ORYXPARTS | |
| OUTBACK GUIDANCE | |
| OVLAC | |
| OXCE | |
| OZAPALILAR TARIM MAK. MED.INS.MET.KAL.DOK.SAN. | |
| ÖZDOGANPLAST - SUNPIPE | |
| OZDOKEN | |
| OZDOKEN A.S. | |
| P O L M A C | |
| P0 | |
| P1 | |
| PACIFIC | |