What does AOSC stand for?

Acute Obstructive Suppurative Cholangitis - Medicine (MELL)

All Ohio Scanner Club - Not-for-profit two-way radio communications group (EARSL)

Alternate Operational Support Center (SAUO)

Association of Officers of the Supreme Court (SAUO)

Association of Oilwell Servicing Contractors (EA)

Association of Student Councils - Canada

Astro Sciences Corp. - NASDAQ symbol (SAG)