What does ORH stand for?

Occupational Role History - Psychology

Odyssey Re Holdings Corp. - NYSE symbol

Office of Rural Health (MEDA)

Office of the Regional Hydrologist - United States Geological Survey (GIS)

Operational Requirements Handbook

Orchard Supply Hardware Strs - NYSE symbol

Oroqen - Language code (ETLW)

Richmond Hill Public Library, Ontario - Library symbol - National Library of Canada (NLC)

Worcester - Massachusetts - Airport symbol (OAG)