Abbreviations beginning with o

OTHSOttawa Technical High School
Community » Schools

OTHSOttawa Township High School
Community » Schools

OTHSOffice of Traffic and Highway Safety (Idaho)
Governmental

OTHSOakville Trafalgar High School (Oakville, Ontario, Canada)
Miscellaneous

OTHSO'Fallon Township High School (O'Fallon, Illinois)
Miscellaneous

OTHSOlde Thyme Herb Society (Michigan)
Miscellaneous

OTHSOsgoode Township Historical Society and Museum (Canada; also seen as OTHS&M)
Miscellaneous

OTHSAOrphan Train Heritage Society of America
Miscellaneous

OTHSAROver-The-Horizon/Synthetic Aperture Radar
Community

OTHTOver-The-Horizon Targeting
Governmental » Military

OTHTOttawa Temiskaming Highland Trail
Miscellaneous » Unclassified

OTHTOver The Horizon Targeting
Miscellaneous » Unclassified

OTH-TOver The Horizon - Targeting
Governmental » Military

OTH-TOver-The-Horizon Targeting
Governmental

OTHTCSOver the Horizon Target Control System
Governmental

OTHTTSOver the Horizon Tactical Tracking System (navigation system; various armed forces)
Academic & Science

OTIOffice of Technology Integration
Academic & Science » Universities