| Nirrin Technologies | |
| NirvaMed, Inc. | |
| Nirvana Labs | |
| Nirvana Solutions | New York |
| Nirvana Systems, Inc. | Texas |
| Nirvana US | |
| Nishtech | Ohio |
| Nisivoccia Consulting, LLC | New Jersey |
| NisonCo | New Jersey |
| Nisos Technologies | Florida |
| Nisse Designs | |
| Nissi Creative Services | Tennessee |
| Nisum Technologies, Inc. | California |
| Nisus Software | California |
| NiSUS Technologies Corporation | Maryland |
| NITCO | Indiana |
| Nitech | California |
| Niteco | |
| Nitek | Illinois |
| Nitel | Illinois |
| Niteowl Creative, Inc. | |
| Nitid Bit, LLC | |
| Nitor Infotech | Illinois |
| Nitra | New York |
| Nitrase Biosciences | California |
| Nitric, Inc. | |
| Nitricity, Inc. | California |
| Nitro Mobile Solutions, LLC | Florida |
| Nitro Software, Inc. | California |
| Nitrogen Wealth, Inc. | |
| Nitrosoft Technology, Inc. | Florida |
| Nittany Web Works | Pennsylvania |
| Nitto Avecia Pharma | |
| Nitto BioPharma, Inc. | |
| Nitto Denko Avecia, Inc. | Massachusetts |
| Nittobo America, Inc. | California |
| NITYA Software Solutions, Inc. | |
| Nityo Infotech | |
| Niural, Inc. | Texas |
| Nivagen Pharmaceuticals, Inc. | |
| Nivati | |
| Niwa, Inc. | California |
| Niwart, LLC | |
| Niwot Networks, Inc. | Colorado |
| NIX United | |
| NiXaam | |
| Nixon Peabody, LLP | |
| nixonPRO media | |
| Nixtio | |
| Niyo Solutions, Inc. | |