sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Centralny Instytut Ochrony Pracy | **** |
| Consultation on Outline Proposals | *** |
| Chicago Industrial Organizational Psychologists | *** |
| Chicago Industrial and Organizational Psychologists | *** |
| Central Illinois Organizing Project | ** |
| Central Institute for Labour Protection | ** |
| Committee on International Organizations and Programs | * |