| Abbreviation | Definition |
|---|---|
| OLQ | Organizational Leadership & Quality |
| OLS | Organizational Leadership Skills |
| OLT | On- Line Training |
| OM | Open Minded |
| OM | Options Market |
| OM | Order Management |
| OM | Organizational Management |
| OMB | On My Break |
| OMB | Owner Managed Business |
| OMCR | OrderMatic Carbon Reduction LTD |
| OMCs | Oil Marketing Companies |
| OMCS | Open Mind, Common Sense |
| OMCS | Overseas Marine Certification Services |
| OME | Organizational Modeling Environment |
| OMNI | Open Minds New Ideas |
| OMQ | On-line Mortgage Quote |
| OMS | Options Margining System |
| OMS | Order Management System |
| OMSI | Option Market System International |
| OMT | Outright Monetary Transactions |