What does EUO stand for?

Emergency Use Only (SAUS)

English Usage Orientation - Form - Western Michigan University (TES)

Enriched Uranium Operations (SAUS)

European Custom Yachts, South Weymouth, MA - Manufacturer code for watercraft hull identification number (USCG)

Eurotech, Ltd. - AMEX symbol

Library Technician Program, Algonquin College - EDUCATSS - UTLAS symbol