What does ANSA stand for?

Advanced Network System Architecture (BUR)

Advances Network Systems Architecture (SAUS)

Agenzia Nationale Stampa Associata - Associated National Press Agency - Italy

American Standards Association (SAUO)

Aminohydroxynaphthalenesulfonic Acid - Organic chemistry

Aminonaphtholsulfonic Acid - Organic chemistry

(Anilino)naphthalenesulfonic Acid - Also, ANS - Organic chemistry

Annapolis Naval Sailing Association (EA)

Association of Norwalk School Administration

Association of Norwegian Students Abroad (SAUO)

Australian National Sportfishing Association (EAIO)