Mountains and Rivers Order

Views Updated: Dec 15, 2025

Key Facts

Abbreviation

MRO

Pronunciation

/ˈmaʊntənz ənd ˈrɪvərz ˈɔrdər/

Category

Miscellaneous

Related Field

Unclassified

Other meanings of MRO

Mauritania Ouguiya Regional

Materiel Release Order Gov

Medical Regulating Officer Gov

USX- Marathon Group Business

Medical Review Officer Gov

Maintenance, Repair, and Operating Business

Maintenance Repairs And Operations Business

Medicaid Rehab Option Gov

Maintenance, Repair, and Operations Business

Marathon Oil Corporation Business