| Abbreviation | Definition |
|---|---|
| OPSA | Operating Plant Service Agreement |
| OPSQ | Operational Performance and Service Quality |
| OPSS | OPerations, Sales, and Service |
| OPT | Operations Project Team |
| OPT | Optimal Purchasing Technique |
| OPT | Optimized Production Technology |
| OPTITEAM | OPTImal TEAM |
| OPUS | Online Payroll Update System |
| OPUS | Operational Pipeline Unified Systems |
| OPUS-RS | Online Positioning User Service-Rapid Static |
| OPV | On Pace Volume |
| OPX | Off Premise Extension |
| OQ | Optimism Quotient |
| OQ | Outcome Quality |
| OQA | Office of Quality Assurance |
| OQC | Operational Quality Control |
| OQC | Outgoing Quality Control |
| OQD | Ordered Quantity Delivered |
| OQG | Output Quality Group |
| OQH | Operator Qualification Handbook |