| NRS | Name Registration Scheme 
| Others |
| NRS | Nathaniel Rochester Society
| Others |
| NRS | National Railway Supplies
| Others |
| NRS | National Readership Survey
| Others |
| NRS | National Records of Scotland
| Others |
| NRS | National Registration System
| Others |
| NRS | National Regulatory Services
| Others |
| NRS | National Relay Service
| Others |
| NRS | National Relay Services
| Others |
| NRS | National Rental Services
| Others |
| NRS | National Reporting System
| Others |
| NRS | National Reservation System
| Others |
| NRS | National Response System
| Others |
| NRS | National Retail Solutions
| Others |
| NRS | National Roadster Show
| Others |
| NRS | National Roper's Supply
| Others |
| NRS | National Rosacea Society
| Others |
| NRS | National Runaway Safeline
| Others |
| NRS | National Runaway Switchboard
| Others |
| NRS | Nationwide Recovery Systems
| Others |
| NRS | Nationwide Retirement Solutions
| Others |
| NRS | NATO Range Safety
| Others |
| NRS | Natural Reclamation System
| Others |
| NRS | Natural Reserve System
| Others |
| NRS | Natural Resource Section
| Others |
| NRS | Natural Resources Science
| Others |
| NRS | Natural Resources Section
| Others |
| NRS | Naval Radio Station
| Others |
| NRS | Navigational Reference System
| Others |
| NRS | Navy Reporting System
| Others |
| NRS | Nearctic Regional Section
| Others |
| NRS | Negative Reinforcement University
| Others |
| NRS | Nehemiah Reuben Salo
| Others |
| NRS | Neighborhood Revitalization Strategy
| Others |
| NRS | Network Reliable Systems
| Others |
| NRS | Network Routing Solution
| Others |
| NRS | Network Routing Specialist
| Others |
| NRS | Networking and Referrals Unlimited
| Others |
| NRS | Neuron- Restrictive Silencer
| Others |
| NRS | Nevada Revised Statutes
| Others |
| NRS | New Residential Sales
| Others |
| NRS | New Resistive Switching
| Others |
| NRS | New Revenue Solutions
| Others |
| NRS | New Revised Standard
| Others |
| NRS | New Russian Standard
| Others |
| NRS | Nitrox Rebreather System
| Others |
| NRS | No Registry Search
| Others |
| NRs | No Replies
| Others |
| NRS | No-Resonance System
| Others |
| NRS | Noise Reduction System
| Others |
| NRS | Non Recoil Suppression
| Others |
| NRS | Non Resident Special
| Others |
| NRS | Non Resident Studies
| Others |
| NRS | Non Rising Stem
| Others |
| NRS | Nonconformance Reporting System
| Others |
| NRS | Nonlinear Random Schrodinger
| Others |
| NRS | Nonspecific Rabbit Serum
| Others |
| NRS | Normal Rabbit Serum
| Others |
| NRS | Normal Rubber Stamp
| Others |
| NRS | Norstar Remote Utilities System
| Others |
| NRS | Northern Research Station
| Others |
| NRS | Northern Research Station's
| Others |
| NRS | Northwest River Supplies
| Others |
| NRS | Northwest River Supply
| Others |
| NRS | Norwegian-Russian School
| Others |
| NRS | Not Read Set
| Others |
| NRS | Not Ready Strange
| Others |
| NRS | NovaBACKUP Restore Script
| Others |
| NRS | Novell Replication Services
| Others |
| NRS | Nox Reduction System
| Others |
| NRS | Nozh Razvedchika Strelyayushiy
| Others |
| NRS | Nuclear Reaction Spectrometry
| Others |
| NRS | Nuclear Retention Signal
| Others |
| NRS | Numeric Rating Scale
| Others |
| NRS | Numerical Rating Scale
| Others |
| NRS | Nutrition Risk Screening
| Others |
| NRS | Ranch Store
| Others |
| NRS | Recording Studio
| Others |