| Rank | Abbreviation | Meaning |
|---|
| ***** | OCSC | Office of the Civil Service Commission
| |
| ***** | OCSC | Office of the Civil Service Commissioners
| |
| **** | OCSC | Office Central pour la Saisie et la Confiscation
| |
| **** | OCSC | Organisme de Coordination des Services Communautaires
| |
| **** | OCSC | Ozark Chapter Sierra Club
| |
| **** | OCSC | Old Caterhamians Sports Club
| |
| **** | OCSC | Olympic Circle Sailing Club
| |
| *** | OCSC | Office of Citizen Services and Communications
| |
| *** | OCSC | Office of Computing and Statistical Consulting
| |
| *** | OCSC | Outer Circle Ski Club
| |
| *** | OCSC | Old Chatham Sheepherding Company
| |
| *** | OCSC | Oak Creek Soccer Club
| |
| *** | OCSC | Oregon City Service Center
| |
| ** | OCSC | Off Campus Student Committee
| |
| ** | OCSC | Owens-Corning Supply & Contracting
| |
| ** | OCSC | Ostfriesischer Counter-Strike Clan
| |
| ** | OCSC | Oracle Complex Systems Corporation
| |
| ** | OCSC | Oregon Community Swim Club
| |
| ** | OCSC | Officer and Civilian Spouses Club
| |
| ** | OCSC | Oakland County Sportsmen's Club
| |
| ** | OCSC | Office of the Correctional Services Commissioner
| |
| ** | OCSC | Orbital-charge-self-consistent (in Electronic State Calcn.)
| |
| ** | OCSC | Oregon Chapter Sierra Club
| |
| ** | OCSC | Office of Community Safety and Conservation
| |
| ** | OCSC | Ottawa Community Support Coalition
| |