| ACIS | Academic Contributor Information System 
| Others |
| ACIS | Academic Information Services
| Others |
| ACIS | Access Control Interlock System
| Others |
| ACIS | Accoustically Controlled Induction System
| Others |
| ACIS | Acoustic Control Induction System
| Others |
| ACIS | Acoustic Controlled Induction System
| Others |
| ACIS | Acquired Cellular Induration Syndrome
| Others |
| ACIS | Adolescent Conduct Intervention Services
| Others |
| ACIS | Adult Community Integration Services
| Others |
| ACIS | Adult Correctional Information System
| Others |
| ACIS | Advance Cargo Information System
| Others |
| ACIS | Advanced CCD Imaging Spectrometer
| Others |
| ACIS | Advanced Corona Ignition System
| Others |
| ACIS | Agency Credit Insurance Structure
| Others |
| ACIS | Air Cushion Impact System
| Others |
| ACIS | Alan Charles Ian s
| Others |
| ACIS | Algoma Central Railway
| Others |
| ACIS | Alliance for Creative Inevitable Solutions
| Others |
| ACIS | Allianz Cornhill Information Systems
| Others |
| ACIS | American Collegiate Intramural Sports
| Others |
| ACIS | American Committee for Interoperable Systems
| Others |
| ACIS | American Conference for Irish Studies
| Others |
| ACIS | American Council for International Studies
| Others |
| ACIS | American Council of International Studies
| Others |
| ACIS | Andy Charles and Ian s
| Others |
| ACIS | Andy Charles Ians System solid modelling geometric engine
| Others |
| ACIS | Applied Climate Information System
| Others |
| ACIS | Army Combat Identification System
| Others |
| ACIS | Army Command Information System
| Others |
| ACIS | Assessment of Communication and Interaction Skills
| Others |
| ACIS | Associate in the Chartered Institute of Secretaries
| Others |
| ACIS | Associate of the Institute of Chartered Secretaries and Administrators
| Others |
| ACIS | Association for Computer and Information Science
| Others |
| ACIS | Association for Contemporary Iberian Studies
| Others |
| ACIS | Association of Colorado Independent Schools
| Others |
| ACIS | Australasian Colloid and Interface Society
| Others |
| ACIS | Australasian Conference on Information Systems
| Others |
| ACIS | Australasian Conferences on Information Systems
| Others |
| ACIS | Automate case implementation system
| Others |
| ACIS | Automated Cellular Imaging System
| Others |
| ACIS | Automated Combat Information System
| Others |
| ACIS | Automated Criminal Infraction System
| Others |
| ACIS | Automated Criminal Infractions System
| Others |
| ACIS | Automated Customs Information Service
| Others |
| ACIS | Automotive Competitiveness And Investment Scheme
| Others |
| ACIS | Colombian Association of Systems Engineers
| Others |