What does AUU stand for?

Adenine Uracil Uracil - A triplet of bases coding for the amino acid, isoleucine (EES)

Alliance Marine Inc., Mobile, AL - Manufacturer code for watercraft hull identification number (USCG)

Amalgamated Union of Upholsterers (SAUO)

Americans for the Universality of UNESCO (EA)

American University Union (SAUO)

Association of Urban Universities - Defunct (EA)

Atlanta University Center, Atlanta, GA - OCLC symbol (OCLC)

ATM User-to-User (SAUS)

Aurukun Mission - Australia - Airport symbol (OAG)

Auye - Language code (ETLW)