MRO

MRO may refer to:

Operations

• maintenance, repair, and operations (also known as "Maintenance, Repair and Overhaul" or "Maintenance and Repair Organization(s)")

Companies

• MRO Software, a software company best known for its Maximo maintenance management system, purchased by IBM in August 2006
• Marathon Oil Corporation
• Hokuriku Broadcasting Company, a broadcasting station in Ishikawa Prefecture, Japan

Locations

• Any of several cities named Marlborough
• The IATA airport code for Hood Aerodrome near Masterton, New Zealand
• Magdalena Ridge Observatory, a multi-use astronomical observatory near Socorro, NM.

Organizations

• Midwest Reliability Organization
• The Mountains and Rivers Order of Zen Buddhism, an organization of Zen-Buddhist temples, practice centers and sitting groups whose main house is the Zen Mountain Monastery in Mt. Tremper, New York
• Movimiento Revolucionario Oriental, a left-wing political movement in Uruguay
• Mutant Revolution Online, an online RPG based in the world of the X-Men by Marvel.

Other

• The Mro People, an indigenous people of Bangladesh.
• Mars Reconnaissance Orbiter (a NASA Mars probe)
• Medical Review Officer, or Medical Review Office, a term for a position or department at an organization that mandates drug testing
• The ISO 4217 code for the Mauritanian ouguiya, the currency of Mauritania
• Mini Racing Online, an arcade-style, online multiplayer racing game
• Multidrug resistant organism, a bacterium or other pathogenic organism resisting treatment by several antimicrobial agents, such as antibiotics
• Method Resolution Order in computing
• Main refinancing operations, a technique used by the European Central Bank to control the money supply