Achaemenid
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AMA
AAU
Abelson
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Abelmosk
ACS
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AI
ANSI
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ARCO
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Ada
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ASAP
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AK
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AC
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Abbott
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AAA
ACM
AKA
Abidjan
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ALU
AR
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Addressograph
Accra
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Abe
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Aalborg
Acta
ASTM
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Adair
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Aachen
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Abner
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AZ
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ARPA
AL
ASCII
Ackerman
Abbevillian
Abigail
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