| Rank | Abbreviation | Meaning |
|---|
| ***** | OCPC | Off Campus Programs Committee
| |
| **** | OCPC | Optical Communication Parallel Computer
| |
| **** | OCPC | Orica Camel Powder Coatings
| |
| **** | OCPC | Oregon Community Protection Coalition
| |
| **** | OCPC | Orthodox Christian Publications Center
| |
| *** | OCPC | Office of Caribbean Program Coordination
| |
| *** | OCPC | Oregon Contractor Plan Center
| |
| *** | OCPC | Ontario Crop Protection Committee
| |
| *** | OCPC | Oman Chemical and Pharmaceutical Company
| |
| *** | OCPC | One Child Policy Crowd
| |
| *** | OCPC | Order in Council Privy Council
| |
| ** | OCPC | Office of the Chief Parliamentary Counsel
| |
| ** | OCPC | Ocean and Coastal Policy Center
| |
| ** | OCPC | One Cellphone per Child
| |
| ** | OCPC | Old Colony Planning Council
| |
| * | OCPC | Old Cutler Presbyterian Church
| |
| * | OCPC | Onslow County Partnership for Children
| |
| * | OCPC | Orange County Police Chiefs
| |
| * | OCPC | Orange County Peace Coalition
| |
| * | OCPC | Orange County Pest Control
| |
| * | OCPC | Old Colony Planning Commission
| |
| * | OCPC | Oromia Cooperative Promotion Commission
| |
| * | OCPC | Orange County Persian Community
| |
| * | OCPC | Orange County Presidents Council
| |
| * | OCPC | Otthon Centrum Projekt Consulting
| |