| Abbreviation | Definition |
|---|---|
| OPC | Openess, Productivity, Collaboration |
| OPCL | Order Process CheckList |
| OPCO | OPerating COmpany |
| OPD | Order Processing Department |
| OPE | Optional Price Extra |
| OPE | Other Payroll Expenses |
| OPEB | Other Post-retirement Employee Benefit |
| OPEC | Organization of Petroleum Exporting Countries |
| OPEX | Operational Excellence |
| OPF | Open Pension Fund |
| OPI | Online Product Information |
| OPI | Ounce of Prevention Insurance |
| OPIS | Office Products Imaging Specialists |
| OPK | Oem Preinstallation Kit |
| OPM | Official Parallel Market |
| OPM | Online Project Management |
| OPM | Organizational Process Management |
| OPM | Organizational Process Modelling |
| OPMAS | Operations Performance Measurement and Analysis System |
| OPN | Open Projects Network |