| Acronym | Definition |
|---|
| OPIS➣Oil Price Information Service |
| OPIS➣Operational Programme Information Society (Greece) |
| OPIS➣Ocean Planning Information System (US NOAA) |
| OPIS➣Online Parcel Information System (North Carolina) |
| OPIS➣Online Procurement Information System |
| OPIS➣Online Planning Information Service |
| OPIS➣Optical Path Integration Solutions (Alliance Fiber Optic Products, Inc.) |
| OPIS➣Online Product Information System |
| OPIS➣Oil Production Information System |
| OPIS➣Operational Satellite Improvement Program |