| Abbreviation | Definition |
|---|---|
| NUFI | National Union Fire Insurance Company |
| NUK | Nilsson, United Kingdom, Coachbuilders |
| NUL | Nihon Unisys Ltd |
| NUM | New Underground Media Records |
| NUMI | Nehemiah Urban Ministries Inc |
| NUTS | Ninetech Urban Technology Systems |
| NV | Naamioze Vennootschap |
| NV | Naamloze Vennootschap |
| NVC | Naskel Video Chat |
| NVC | National Video Communications |
| NVC | Nederlandse Vereniging Canarias |
| NVC | Northern Valley Communications |
| NVCA | National Venture Capital Association |
| NVCS | Napa Valley Cast Stone |
| NVD | Nooksack Valley Disposal |
| NVD | North Valley Digital, computer consulting firm |
| NVDC | Northern Virginia Dental Clinic |
| NVF | National Vulcanized Fibre |
| NVG | New Varangian Guard, Inc. |
| NVG | New Venture Gear |