| Nube Internet | |
| Nubelity | |
| NUBIGON, Inc. | |
| Nubis Communication | |
| Nubitz | Louisiana |
| Nubo, Inc. | New York |
| NUC University | Puerto Rico |
| Nucamp, Inc. | Washington |
| Nucelis | California |
| NuCicer | |
| Nucitrus | |
| Nucleai, Inc. | Illinois |
| Nuclear Networking, Inc. | Colorado |
| NuclearN | Arizona |
| Nuclei, Inc. | New Jersey |
| Nuclein, LLC | Texas |
| Nucleix | California |
| Nucleon security, Inc. | |
| Nucleus Automation Partners, LLC | |
| Nucleus Biologics, LLC | California |
| Nucleus Network | |
| Nucleus RadioPharma | |
| Nucleus Research | Massachusetts |
| Nucleus Security | |
| Nucorion Pharmaceuticals, Inc. | |
| Nudge | New York |
| Nudge | California |
| Nudge Security | |
| Nue.io | |
| Nuera | |
| Nuera Communications, Inc. | New Jersey |
| Nuesion | |
| Nuesion.com | Texas |
| Nueta Hidatsa Sahnish College | North Dakota |
| Nueterra Capital | Kansas |
| NuEthic Dev, LLC | |
| NuevaSync, Inc. | Montana |
| NueVista Group | Illinois |
| Nuevo Studio | |
| NUEX Creative, LLC | |
| Nufire Marketing | North Dakota |
| Nugg | California |
| Nugget Scientific | |
| NuGrowth | |
| NuHarbor Security, Inc. | Vermont |
| Nuitée, Inc. | |
| Nukkleus, Inc. | New Jersey |
| Nullafi, Inc. | Illinois |
| Nullen, LLC | |
| Nullspace, Inc. | |