| Abbreviation | Definition |
|---|---|
| NLXI | N E L X, Inc. |
| NMBS | C. D. Nimbus International, Inc. |
| NMBS | C. D. Nimbus International, Inc. (de-listed) |
| NMBS | C. D. Nimbus International, Inc. (de-listed) |
| NMBT | N M B T Corporation |
| NMCI | Northstar Multimedia Communications, Inc. |
| NMCOF | Namibian Minerals Corporation |
| NMDO | Nemdaco, Inc. |
| NMEPF | Namex Exploration, Inc. |
| NMFG | Photomatrix, Inc. |
| NMGC | Neomagic Corporation |
| NMHC | National Medical Health Care |
| NMNW | Hypermedia Communications, Inc. |
| NMPS | Matritech, Inc. |
| NMRM | Numericom, Inc. |
| NMRX | Numerex Corporation of Pennsylvania |
| NMSB | Newmil Bancorp, Inc. |
| NMSS | Natural Microsystems Corporation |
| NMTI | N M T Medical, Inc. |
| NMTX | Novametrix Medical Systems, Inc. |