sort by Rank | Alpha
| Possible Meanings | Rank |
| Cooperative for Assistance and Relief | **** |
| Child Abuse Report Line | **** |
| Center for Army Lessons | **** |
| California Academic Research Libraries | *** |
| California Academic and Research Libraries | *** |
| Charles A Ransom Library (Plainwell, MI) | *** |
| Comprehensive Agrarian Reform Law | *** |
| Conservation and Recreational Lands | *** |
| Companion Animal Rescue League | *** |
| California Academic and Research Librarians | *** |
| Computer Audio Research Laboratory | *** |
| Callaway Amateur Radio League | *** |
| Center for Amateur Radio Learning | *** |
| Cerebellar Adaptive Rate Learning | ** |
| Composition Adjusted Receptor Level | ** |
| Center for Agriculture and Rural | ** |
| Center for the Advancement of Recreation and Leisure | ** |
| Central Alberta Radio League | ** |
| Construction Automation and Robotics Laboratory | ** |
| CLASH AND ROAR Larry | ** |
| Cellular Automata Research Lab | ** |
| California Association of Research Libraries | ** |
| Computer Architecture Research Laboratory | ** |
| Clinical Addictions Research Laboratory | ** |
| California Academic Research Librarians | ** |
| Colorado Alliance of Research Library | ** |
| Controls and Robotics Laboratory | ** |
| Committee on American Relief | ** |
| Community Aquatic Research Laboratory | ** |
| Canadian Academic Research Libraries | * |
| Computer Assisted Research Laboratory | * |
| Corrective Action Required List | * |
| Colorado Agricultural Rural Leadership | * |
| Colorado Alliance Research Libraries | * |
| Computational Astrodynamic Research Laboratory | * |
| Computer Aided Regulatory Library | * |
| Chemisches Aufweiten von Resist Linien | * |
| Columbia Aluminum Recycling Limited | * |