OR

Oregon (Governmental » State & Local)

**** Oriented (Medical » Physiology)

*** Logical OR (Computing » Assembly)

* Operations Research (Business » Accounting)

* Operations Research (Governmental » Military)

* Operations Research (Academic & Science » Universities)

* Oriya (Regional » Language Codes (2 Letters))

* Operating room (Medical » Physiology)

* Odds Ratio (Academic & Science » Mathematics)

* Operational Readiness (Governmental » Military)

* Open Reduction (Medical » Physiology)

* Outdoor Retailer (Business » Firms)

* Operational Requirement (Governmental » Military)

* Operational Requirement (Business » General)

* Operational Requirement (Governmental » NASA)

* Operational Requirement (Governmental » US Government)

* Oak Ridge Operations Office (Academic & Science » Meteorology)

* Originator / Recipient (Computing » General)

* Office Regenerator (Computing » Telecom)

* Oristano (Provence) (International » Italian)