Abbreviations beginning with a

ACTAAlliance of Canadian Travel Associations
Miscellaneous

ACTAAmerican Chungdokwan Taekwondo Association
Miscellaneous

ACTAAmerican Community Theatre Association (now American Association of Community Theatre)
Miscellaneous

ACTAAnglo-Catholic Church in the Americas
Miscellaneous

ACTAAnti Counterfeit Trade Agreement
Miscellaneous » Unclassified

ACTAAnti Counterfeiting Trade Agreement
Miscellaneous » Unclassified

ACTAArkansas Cable Telecommunications Association
Miscellaneous

ACTAArlington County Tennis Association (Virginia)
Miscellaneous

ACTAAssociation de Coordination Technique Agricole (France)
Miscellaneous

ACTAAssociation of Canadian Travel Agents
Miscellaneous

ACTAAustralia Clay Target Association
Miscellaneous

ACTAAutomatic Computerized Transverse Axial
Miscellaneous » Unclassified

ACTAAutomobile Club Touring Assistance
Miscellaneous » Automotive

ACTAAfghan Coalition for Transparency and Accountability
Regional

ACTAAssociation of Canadian Travel Agencies
Regional » Canadian

ACTAAustralian Clay Target Association
Regional » Australian

ACTAAArkansas Communication and Theatre Arts Association
Community » Associations

ACTAAAir Controlman (tower) Airman Apprentice
Governmental » Navy