What does OGA stand for?

Obergurgl - Austria - Seismograph station code, US Geological Survey (SEIS)

Oculogyric Attack - Medicine (EDAA)

Oesterreichische Gesellschaft fur Akupunktur - Austrian Society of Acupuncture and Auricular Therapy (EAIO)

Office of Government Affairs (SAUS)

Ogallala, NE - Location identifier - FAA (FAAL)

Omega - NCIC firearms make code (NCIC)

Omega Ltd. - Ukraine - FAA designator (FAAC)

One Generation Ahead

Online Gas Analyzer

Option Generation Aid (SAUS)

Organic Growers Association - British (DBA)

Ornamental Growers Association (EA)

Orogastric Aspirate - Medicine (AAMN)

Orogastric Gonococcal Aspirates - Medicine (EDAA)

Oronite Gasoline Additive - Fuels and lubricants

Other Government Agencies (COE)

Outer Gimbal Angle (NASA)

Outer Gimbal Assembly (NASA)

Outer Gimbal Axis - NASA (IAA)