| NASD | National Ag Safety Database 
| Others |
| NASD | National Agricultural Safety Database
| Others |
| NASD | National Alcohol Screening Day
| Others |
| NASD | National Amalgamated Stevedores and Dockers
| Others |
| NASD | National Association for Sports Development
| Others |
| NASD | National Association of Schools of Dance
| Others |
| NASD | National Association of Securities Dealers
| Others |
| NASD | National Association of Security Dealers
| Others |
| NASD | Native American Student Development
| Others |
| NASD | Network Attached Secure Disks
| Others |
| NASD | Network Attached Storage Device
| Others |
| NASD | Network Audio System Daemon
| Others |
| NASD | Network-Attached Secure Disk
| Others |
| NASD | Network-Attached Secure Disks
| Others |
| NASD | Norristown Area School District
| Others |
| NASD | Northampton Area School District
| Others |