| Abbreviation | Definition |
|---|---|
| NBXLF | Nebex Resources, LTD. |
| NCAB | National Cable, Inc. |
| NCBC | National Commerce Bancorp |
| NCBE | National City Bancshares |
| NCBEP | National City Bancshares Capital Trust I |
| NCBM | National City Bancorp |
| NCCDQ | N C C Industries, Inc. |
| NCCL | Nutraceutical Clinical Laboratories International |
| NCDI | Network Computing Devices, Inc. |
| NCEB | North Coast Energy, Inc. |
| NCEBP | North Coast Energy, Inc. Preferred |
| NCEN | New Century Financial Corporation |
| NCLIP | North Coast Life Insurance Company |
| NCLS | Nucleus, Inc. |
| NCMI | Namibian Copper Mines, Inc. |
| NCNT | Netcentives |
| NCNX | Nucentrix Broadband Networks |
| NCOG | N C O Group, Inc. |
| NCOM | News Communications, Inc. |
| NCON | Encon Systems, Inc. |