What does OMA stand for?

Eppley Airfield - FAA (TAG)

Markham Public Library, Ontario - Library symbol - National Library of Canada (NLC)

Object Management Architecture - Computer science (CDE)

Ocean Mining Administration (AD)

Oceanography and Marine Assessment - Marine science

Ocular Motor Apraxia

Office of Management and Administration - Social Security Administration (OICC)

Office of Maritime Administration - Navy

Office of Maritime Affairs (AD)

Office of Military Affairs

Office of Military Applications - Department of Energy

Office of Military Assistance

Office of Mine Awareness (SAUS)

Office of Minority Affairs - Department of Agriculture (GFGA)

Oilskin Manufacturers' Association of Great Britain Ltd. (BI)

Oklahoma Military Academy

Omaezaki - Japan - Seismograph station code, US Geological Survey (SEIS)

Omaha - Nebraska - Airport symbol

Omaha-Ponca - Language code (ETLW)

Ontario Medical Association - Canada (AD)

Ontario Mining Act (SAUS)

Ontario Mining Association (SAUS)

Ontario Ministry of Agriculture (SAUS)

Ontario Museums Association (SAUS)

Open Management Architecture (SAUS)

Open Mobile Alliance - Company that covers download and security for online content services

Operational Maintenance Activity (NVT)

Operation and Maintenance, Army (SAUS)

Operation Medicare Alert

Operations and Maintenance Appopriation - Army

Operations and Maintenance, Army

Operations Maintenance Area (NASA)

Operations Management Application (SSD)

Operations Management Society (NTPA)

Operations Monitor Alarm

Optical Industry Association (EA)

Optical Manufacturers Association (EA)

Optical-Mechanical Assembly - Apollo - NASA

Optical Multichannel Analyzer - Spectrometry

Orbiter Maintenance Area - NASA (MCD)

Orderly Marketing Agreement

Oregon Medical Association - Medicine (EDAA)

Organizational Maintenance Activity

Oriental Merchants Association - Defunct (EA)

Outlaw Products, Vero Beach, FL - Manufacturer code for watercraft hull identification number (USCG)

Outlook Mobile Access

Output Message Area (SAUS)

Outstanding Merchandising Achievement Award

Outstanding Merchandising Awards (SAUS)

Overall Manufacturers' Association (AD)

Overall Manufacturers' Association of Great Britain (BI)

Overseas Mining Association (SAUS)

Omaha, Nebraska (AD)

Orderly Marketing Arrangement (AD)