OMA
OMA commonly refers to Omaha, Nebraska, the Midwestern U.S. city, and to Object Management Architecture, a framework for defining and handling software objects.
Miscellaneous
Oh My Al
Oh My Awesome
Outer Margin Area
One Man Armyl
Office of Multicultural Affairs
Oil Monitoring Analyst
Oswalds Mill Audio
Optical Map Assembler
Ocular Motor Apraxia
Ohio Monongahela and Allegheny
Organic Manuka active
Outstanding Merchandising Achievement
Community
Oh My Allah
Oregon Mediation Association
Oregon Medical Association
Orlando Museum of Art
Oceanside Museum of Art
Oklah Museums Association
Ohio Motocross Association
Governmental
Operation and Maintenance, Army
Eppley Airfield
Open Mobile Alliance
Office of Metropolitan Architecture
One Mans Army
Operations Maintenance Area
Operations Management Application
Orbiter Maintenance Area
Office of Military Affairs (CIA)
Oklahoma Military Academy
Office Moving Alliance
Academic & Science
Object Management Architecture
Oceanography and Marine Assessment
Online Music Appreciation
Office for Metropolitan Architecture