| Abbreviation | Definition |
|---|---|
| NG | Nederlandse Geschiedenis |
| NI | NAE, Inc. |
| NMSDC | National Minority Supplier Development Council |
| NR | Northrop |
| NS | National Semiconductor |
| NSL | National Suppliers List |
| NT | National |
| NY | Nytronics |
| OB | Overseas Built |
| OE | OECO, Inc. |
| OE | Overhead Electric |
| OFE | Owner Furnished Equipment |
| OO | Ogden Air Logistics Center |
| OUS | Oregon Universal Service |
| P&T | Professional Technology |
| P&T | Professional & Technology |
| PA | Piong Astro |
| PACEOS | Philippine Association of Convention Exhibition Organizers and Suppliers |
| PAMS | PA Association of Medical Suppliers |
| PC | PCA Electronics |