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A&AArt and Architecture
A&AAstronomy and Astrophysics
A&AAccounting and Auditing
A&AArchaeology and Anthropology
A&AAid and Attendance (VA benefit)
A&AAdditions and Amendments
A&AAly & AJ (pop singing sister duo)
A&AAdvertise and Award (NASA)
A&AAcronyms & Abbreviations
A&AArrival and Assembly
A&AArcade & Attica (railroad)
A&AAlteration & Addition
A&AAss and Alcohol (GI update of R&R)
A&AAkasam & Associates (accountants, Hyderabad, India)