| Abbreviation | Definition |
|---|---|
| NRR | Nationwide Realty Resources |
| NRR | Neurological Rehabilitation Resources, P.C. |
| NRR | New Realm Records, Inc. |
| NRR | North Reef Rippers |
| NRRA | Northeast Resource Recovery Association |
| NRRG | Natural Resource Recovery Group |
| NRRG | Natural Resources Resource Group |
| NRRG | North Ridge Realty Group |
| NRRN | National Relocation and Referral Network |
| NRRS | National Recreation Reservation Service |
| NRRS | Natural Resources Remote Scanning, Inc. |
| NRRS | New Resource and Resources Software, PVT, LTD. |
| NRRT | Natural Resources Recovery of Tennessee |
| NRS | Northwest River Supplies |
| NRSI | Natural Resource Solutions Inc |
| NRSP | National Resource Sciences Precinct |
| NRST | National Riparian Service Team |
| NRTC | Network Resource Technologies Corp |
| NRTS | Northern Radio Telephone Service |
| NRU | Networking And Referrals Unlimited |