OH

Ohio (Regional » States)

* On Hand (Business » General)

* Other Half (Internet » Chat)

* Oral History (Governmental » Military)

* Oak Hill (Governmental » State & Local)

* Old Hickory (Community » Famous)

* Oxygen And Hydrogen (Academic & Science » Chemistry)

* Overall Height (Governmental » Transportation)

* Off Hook (Computing » Telecom)

* Over Heat (Governmental » Transportation)

* Office Hour (Miscellaneous » Unit Measures)

* Occupational history (Medical » Physiology)

* Observation Helicopter (Governmental » Transportation)

* Oracle Home (Computing » Databases)

* Oracle Help (Computing » Databases)

* Original Hostage (Governmental » US Government)

* Oakwood Homes Corporation (Business » NYSE Symbols)

* Ozone House (Community » Non-Profit Organizations)