Abbreviations beginning with a

ACIUAllied Central Interpretation Unit
Miscellaneous » Unclassified

ACIUAttitude Control Interface Unit
Miscellaneous » Unclassified

ACIUAllstate Container
Regional » Railroads

ACIVUAdopted Children Immigrant Visa Unit (US Department of State)
Governmental

ACiWAudit Commission in Wales
Academic & Science

ACIWAssociation of Construction and Informal Workers
Business » Professional Organizations

ACIWAge Concern Isle of Wight (est. 1973; UK)
Miscellaneous

ACIWAnderson Custom Iron Works
Miscellaneous » Unclassified

ACIWGAegis CEC Integration Working Group
Academic & Science

ACIXArkansas Chemicals (Great Lakes Chemical Corporation)
Regional » Railroads

ACIXGreat Lakes Chemical Corporation
Regional » Railroads

ACJAdministration of Criminal Justice (various locations)
Academic & Science

ACJArthrites Chroniques Juvéniles (French: Chronic Juvenile Arthritis)
Academic & Science

ACJAirbus Corporate Jetliner
Business » Companies & Firms

ACJAirbus Corporate Jetliner (aviation)
Business

ACJAnti-Car-Jacking (car security system)
Business

ACJAmended Consent Judgment
Community » Law & Legal

ACJAssociation for Contemporary Jewellers
Community » Associations

ACJAdministrative Civil Judge
Governmental » Legislation