| Abbreviation | Definition |
|---|---|
| NXL | New Plan Excel |
| NXM | NeXMedia Technologies, Inc. |
| NXP | Newton Express Productions |
| NXS | Net-Express |
| NXS | Nexus Telecom |
| NYAB | New York Air Brake |
| NYB | New York Barbells |
| NYB | New York Blowers |
| NYC | New York Catering |
| NYF | New York Fasteners |
| NYFA | National Finance Adjusters, Inc. |
| NYG | New York Group of Plastic Surgery and Rehabilitation, LLP |
| NYH | NowYouHost |
| NYH | The New Yorker Hotel |
| NYHQ | New York HeadQuarters |
| NYIC | New York Interior Contracting, Inc. |
| NYK | Nippon Yusen K. |
| NYL | New York Life |
| NYLS | New York Living Solutions |
| NYM | New York Model |