What does ODH stand for?

E Ticket Performance Boats, Lake Havasu City, AZ - Manufacturer code for watercraft hull identification number (USCG)

Highland Secondary School, Dundas, Ontario - Library symbol - National Library of Canada (NLC)

Octanol Dehydrogenase - An enzyme

Octopine Dehydrogenase - An enzyme

Ontario Department of Health - Canada (AD)

Operations Directive Handbook (SAUS)