sort by Rank | Alpha
| Possible Meanings | Rank |
| Objectives Standards Criteria and Indicators | *** |
| Operation Safe Commerce Initiative | *** |
| Open Source Collaborative Innovation | *** |
| Oregon State Correctional Institute | *** |
| Optical Short Course International | *** |
| Observed Structured Clinical Interview | ** |
| One Stroke Certified Instructors | ** |
| Open System C Initiative | ** |
| Osteoporosis and Spinal Cord Injury | ** |
| Open Source Code Integration | ** |
| Omaha Soaring Club Inc | ** |
| Organisational and Safety Climate Inventory | ** |
| Open Source Common Infrastructures | ** |
| Of Standards Code and Information | * |
| Office of Standards Code and Information | * |
| Out of School Childcare Initiatives | * |
| On Safari Coffee Initiative | * |
| Office of Statewide Continuous Improvement | * |