| Abbreviation | Definition |
|---|---|
| NRGDE | Nutri Bevco, Inc. (de-listed) |
| NRGDQ | Nutri Bevco, Inc. (in bankruptcy) |
| NRGDQ | Nutri Bevco, Inc. (in bankruptcy) (de-listed) |
| NRGDQ | Nutri Bevco, Inc. (in bankruptcy) (de-listed) |
| NRGE | N U Electric Corporation |
| NRGN | Neurogen Corporation |
| NRGSO | Narragansett Electric Company |
| NRGSP | Narragansett Electric Company |
| NRIM | Northrim Bank |
| NRMI | National Record Mart, Inc. |
| NRMM | Netrom, Inc. |
| NROM | Noble Romans, Inc. |
| NRPI | National Rehab Property, Inc. |
| NRRD | Norstan, Inc. |
| NRRI.PK | NRG Resources, Inc. |
| NRRP.L | North River Resources, P.L.C. |
| NRTC | Nortech Forest Technology, Inc. |
| NRTI | Nooney Realty Trust, Inc. |
| NRTK | Nortek, Inc. |
| NSANY | Nissan Motor Company, LTD. |