| CAIS | CA Accountability and Improvement System 
| Others |
| CAIS | California Accountability and Improvement System
| Others |
| CAIS | California Association of Independent Schools
| Others |
| CAIS | Campus Advanced Information System
| Others |
| CAIS | Canadian Accredited Independent Schools
| Others |
| CAIS | Canadian Agricultural Income Stabilization
| Others |
| CAIS | Canadian Association for Information Science
| Others |
| CAIS | Canadian Association for Irish Studies
| Others |
| CAIS | Canadian Association of Independent Schools
| Others |
| CAIS | Cancer Agency Information System
| Others |
| CAIS | Capitol Area Internet Service
| Others |
| CAIS | Car Area Information Sensing
| Others |
| CAIS | Caribbean Agricultural Information Service
| Others |
| CAIS | Cartilage Autograft Implantation System
| Others |
| CAIS | Cayman Alternative Investment Summit
| Others |
| CAIS | Center for Advanced Internet Studies
| Others |
| CAIS | Center For Applied Isotope Studies
| Others |
| CAIS | Center for Artificial Intelligence in Society
| Others |
| CAIS | Center for Assessment and Instructional Support
| Others |
| CAIS | Central American Integration System
| Others |
| CAIS | Central Assessment Information System
| Others |
| CAIS | Certified Agricultural Irrigation Specialist
| Others |
| CAIS | Certified agricultural irrigation specialists
| Others |
| CAIS | Certified Automotive Information Specialist
| Others |
| CAIS | Changchun American International School
| Others |
| CAIS | Chemical Agent Identification Set
| Others |
| CAIS | Childhood Agricultural Injury Survey
| Others |
| CAIS | Chinese American International School
| Others |
| CAIS | Christian Alliance International School
| Others |
| CAIS | Circle of Ancient Iranian Studies
| Others |
| CAIS | Clackamas Academy Of Industrial Sciences
| Others |
| CAIS | Cold Air Induction System
| Others |
| CAIS | Cold Air Intake System
| Others |
| CAIS | Collocated Automatic Intercept System
| Others |
| CAIS | Commercial Academic Information Systems
| Others |
| CAIS | Common APSE Interface Set
| Others |
| CAIS | Common Apse Interface Specification
| Others |
| CAIS | Communications of the Association for Information Systems
| Others |
| CAIS | Community Advice and Information Service
| Others |
| CAIS | Complete androgen insensitivity syndrome
| Others |
| CAIS | Concordia Administrative Information System
| Others |
| CAIS | Condensed Abbreviated Injury Scaling
| Others |
| CAIS | Condition Assessment Information System
| Others |
| CAIS | Connecticut Association of Independent Schools
| Others |
| CAIS | Contact Area Information Sensing
| Others |
| CAIS | Context Awareness Information Services
| Others |
| CAIS | Copper Amino Isolate Serum
| Others |
| CAIS | Correctional Assessment and Intervention System
| Others |
| CAIS | Credit Account Information Sharing
| Others |
| CAIS | Credit Application Information Sharing
| Others |