Abbreviations beginning with a

ACISAlgoma Central Railway Incorporated
Regional » Railroads

ACISAmerican Collegiate Intramural Sports
Sports

ACISAAustralasian Critical Incident Stress Association
Academic & Science

ACISAAuckland Cook Islands Sports Association
Community » Associations

ACISAAfrican Canadian Immigrant Settlement Association (human rights organization)
Miscellaneous

ACISAAssocia????o Comercial e Industrial de Santo Andr??
Miscellaneous » Unclassified

ACISAAssociação Comercial e Industrial de Santo André
Miscellaneous » Unclassified

ACISAAustralian Critical Incident Stress Association
Regional » Australian

ACISAAuckland Cook Islands Sports Association
Sports

ACISBAircrew Integrated Systems Branch (US Army)
Governmental

ACISDAransas County Independent School District
Community » Schools

ACISDArcher City Independent School District
Community » Schools

ACISDAdvanced Computational and Information Sciences Directorate
Governmental » Military

ACISDAransas County Independent School District
Regional » Counties

ACISIAdvisory Committee on International Students and Immigration (Citizenship and Immigration Canada; est. 1995)
Miscellaneous

ACISSAustralasian Computational Intelligence Summer School
Computing

ACISSArmy Communication and Information Systems Specialist
Governmental » Military

ACISSaugmented criminal investigations support system
Governmental » Law & Legal

ACISSAircraft Cockpit Information And Safety System
Miscellaneous » Aircraft & Aviation

ACISSArmy Communication and Information Systems Specialist
Miscellaneous » Unclassified