National Reconnaissance Office
National Reconnaissance Organization
Number Resource Organization
Number Resource Organisation
National Radio Observatory
Aero Rent JSC
National Reconnaisance Office
National Reconniassance Office
natural reaction orbital
Naval Reconnaissance Office
Naval Research Objective
Naval Reserve Officer
Neuberger Berman Real Estate Securitie…
Non-Repudiation of Origin
Non-Resident Ordinary
Non-Rotating Origin
Nuclear Repair Officer
nucleus raphe obscurus
Number Resource Organization's