What does EUD stand for?

Chem-Fab Inc., Hattiesburg, MS - Manufacturer code for watercraft hull identification number (USCG)

Euro Direct Airlines UK Ltd. - British - FAA designator (FAAC)

European Union of Dental Medicine Practitioners (SAUO)

European Union of Dentists (PDAA)

Extended Upper Deck

Library Techniques, Sheridan College - EDUCATSS - UTLAS symbol