Abbreviations beginning with A

ATAMAir-To-Air Missile
Governmental

ATAMAccordion Teachers Association of Massachusetts (Hudson, NH)
Miscellaneous

ATAMAcoustic Thermometry And Autonomous Monitoring
Miscellaneous » Unclassified

ATAMAncient Technologies and Archaeological Materials
Miscellaneous

ATAMAssociazione Teatrale Abruzzese Molisana (Italian theatrical association)
Miscellaneous

ATAMAtlas Teamsters Action Message
Miscellaneous » Unclassified

ATAMAugmented Training And Advance Magi
Miscellaneous » Unclassified

ATAMAutomatic Terror Alert Monitor (software)
Miscellaneous

ATAMAutomotive Talent Acquisition and Management
Miscellaneous » Automotive

ATAMBAutomotive Trades Association of Manitoba
Miscellaneous » Automotive

ATANArc Tangent (Inverse Tangent)
Academic & Science

ATANAviation Electronics Technician Airman
Governmental » Navy

ATANAviation Electronics Technician Airman (US Navy rating)
Governmental

ATANAsociación Tinerfeña de Amigos de La Naturaleza (Tenerife ecological association)
Miscellaneous

ATANZAssistive Technology Alliance New Zealand
Academic & Science

ATAOAcademic Transfer Articulation Office
Academic & Science

ATAOAdaptive Twostep (Plus) Adaptive Onestep (IEEE)
Academic & Science