What does AMAU stand for?

Amaui - Common English name - Scientific name: Myadestes Woahensis - American Ornithologists Union four-character bird identification (IBP)

American Augers - NCIC construction equipment make code (NCIC)

American Medical Association Update - Medicine (EDAA)

Antilles Marine Services - Intermodal shipping container symbol (TVRC)

United States Air University, Maxwell Air Force Base, Montgomery, AL - Library symbol - Library of Congress (LCLS)