| Abbreviation | Definition |
|---|---|
| NSPR | Inspire Insurance Solutions, Inc. |
| NSRGY | Nestle, S. A. |
| NSSC | NAPCO Security Technologies, Inc. |
| NSSI | Network 1 Security Solutions |
| NSTA | Anesta Corporation |
| NSTG | Norstar Group, Inc. |
| NSTI | Northstar Industries, Inc. |
| NSTK | Nastech Pharmaceutical Company |
| NSTN | North State National Bank |
| NSYC | National Stock Yards Company |
| NSYS | Nortech Systems, Inc. |
| NTAH | Nevtah Capital Management Corporation |
| NTAI | Nam Tai Electronics, Inc. |
| NTAIW | Nam Tai Electronics, Inc. Warrants |
| NTAP | Network Appliance Corporation |
| NTBK | Net.Bank, Inc. |
| NTBME | Nu Tech Biomed |
| NTCR | NetCreations, Inc. |
| NTCS | NetCurrents, Inc. |
| NTCSP | NetCurrents, Inc. Preferred |