| CALS | Bitmap graphics (Computer Aided Acquisition and Logistics Support) 
| Others |
| CALS | Cafe Au Lait Spots
| Others |
| CALS | Cafe-Au-Lait Spots
| Others |
| CALS | California Academy for Liberal Studies
| Others |
| CALS | Canadian Association For Leisure Studies
| Others |
| CALS | Carbonic Anhydrase Like Sequence
| Others |
| CALS | Central Arkansas Library System
| Others |
| CALS | Centre For Advanced Legal Studies
| Others |
| CALS | Christadelphian Auxiliary Lecturing Society
| Others |
| CALS | Clinical Advice and Liaison Service
| Others |
| CALS | College Of Agricultural And Life Sciences
| Others |
| CALS | College Of Agriculture And Life Sciences
| Others |
| CALS | Commerce At Light Speed
| Others |
| CALS | Committee for Ammunition Logistic Support
| Others |
| CALS | Committee for Ammunition Logistics Supply
| Others |
| CALS | Comprehensive Advanced Life Support
| Others |
| CALS | Computer Aided Acquisition and Logistic Support
| Others |
| CALS | Computer Aided Acquisition and Logistics Support
| Others |
| CALS | Computer Aided Logistic Support
| Others |
| CALS | Computer Aided Logistics Support
| Others |
| CALS | Computer-Aided Acquisition and Logistics Support
| Others |
| CALS | Connecticut Association of Land Surveyors
| Others |
| CALS | Consolidated Accreditation and Licensure Survey
| Others |
| CALS | Continuous Acquisition And Life-cycle Support
| Others |
| CALS | Continuous Acquisition And Lifecycle Support
| Others |
| CALS | Cooperative Academic Library Service
| Others |
| CALS | Croatian Applied Linguistics Society
| Others |