What does OMG stand for?

Aeromega Ltd. - British - ICAO designator (FAAC)

Object Management Group - Computer science

Ocean Mapping Group (SAUS)

Odum McGill Inc., Birmingham, AL - Manufacturer code for watercraft hull identification number (USCG)

Office Machines Group - Business Equipment Manufacturers Association

Office of Marine Geology - United States Geological Survey

Office of Military Government

Oh, My God! - Instant messaging

Oh My Gosh - Internet lingo

Older Metamorphic Group - Geology

Oligodendrocyte-Myelin Glycoprotein (DMAA)

Omagua - Language code (ETLW)

Omega - Namibia - Airport symbol (OAG)

Omitting - Telegraphy (PCTE)

Omni Multimedia Group, Inc. - AMEX symbol (SAG)

Open Management Group (SAUS)

Operational-Maneuver Group - Military

Opthalmology Medical Group (AD)

Osteopathic Medical School Graduate (DMAA)

Outlaw Motorcycle Gang

Outokumpu Mooney Group - Automotive industry