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What does ORO stand for?

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Rank Abbr.Meaning
OROOak Ridge Operations (DOE)
OROOffice of Regional Operations (EPA)
OROOperations Research Office
OROOnde Radio Ovest (band)
OROOffsite Response Organization
OROOperations Research Organization
OROOriginal Registered Owner (legal term)
OROOrono (Amtrak station code; Orono, ME)
OROOxford Reference Online
OROOil Recovery Operations
OROOntario Regional Office (Ontario, Canada)
OROOak Ridge Office (US Department of Energy)

Note: We have 16 other definitions for ORO in our Acronym Attic