| Rank | Abbreviation | Meaning |
|---|
| ***** | CRCN | Cognitive Radio Cognitive Network
| |
| ***** | CRCN | Center for Research in Conflict and Negotiation
| |
| ***** | CRCN | CORCORAN
| |
| ***** | CRCN | Christian Reformed Church of Nigeria
| |
| **** | CRCN | Coal Research Center Newsletter
| |
| **** | CRCN | Centro Regional de Ciências Nucleares
| |
| **** | CRCN | Christian Reformed Churches in the Netherlands
| |
| **** | CRCN | Center for Research in Cognitive Neurosciences
| |
| **** | CRCN | Cutrer Richard Computer Network
| |
| *** | CRCN | Clinical Research Collaboration Network
| |
| *** | CRCN | Charlotte Racquet Club North
| |
| *** | CRCN | Christian Reformed Church in North
| |
| *** | CRCN | Clinical Research Center Network
| |
| *** | CRCN | Campbell River Community Network
| |
| ** | CRCN | Colorado River Commission of Nevada
| |
| * | CRCN | Canadian Rural Church Network
| |
| * | CRCN | Clinical Research Center of Nevada
| |
| * | CRCN | Collegiate Retirement Communities Network
| |
| * | CRCN | Critical Religion Category Network
| |
| * | CRCN | Clinical Research Centre Nijmegen
| |