Nonprofit Organization
Orange - Philately
Organ (WDAA)
Organic (NTIO)
Organization (GEAB)
Originator - MARC relator code - Library of Congress (LCCP)
Glen Robertson Branch, Stormont, Dundas, and Glengarry County Public Library, Ontario - Library symbol - National Library of Canada (BIB)
Office of Racing and Gaming - Western Australia
Official Recreation Guide (TRID)
Olympics Research Group - University of Calgary - Canada - Research center (RCD)
Operations Research Group
Optical Rain Gauge - A tool for rain measurement
Orange - Diocesan abbreviation - California (TOCD)
Orange, TX - Location identifier - FAA (FAAL)
Organ
Organic
Organism (ADA)
Organization - or Organizational (AAG)
Organize (SAUS)
Organogenesis, Inc. - AMEX symbol (SPSG)
Organon - Netherlands - Research code symbol
Oriental Airlines (Gambia) Ltd. - ICAO designator (FAAC)
Origin (MDG)
Original - Motor vehicle violation code used in state of Maryland (MVRD)
Original New York Seltzer of Canada Ltd. - Vancouver Stock Exchange symbol
Origination (SAUS)
Paramaribo - Surinam Zorg En Hoop Airport - Airport symbol (OAG)
Organization (AAGC)
Organizational (AL)
Organizer (SAUS)
Orgrimmar
Original (TBD)
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