| No Limit Social 99 | |
| No Starch Press, Inc. | California |
| No Sweat !!! Computer Consultants | California |
| NO-BS Marketplace | |
| No-IP.com | Nevada |
| No-U-Turn, Inc. | Florida |
| Noah Kagan | |
| Noah Medical | California |
| Noah's Electronics | United States Virgin Islands |
| Noara Therapeutics | |
| Nob Hill Therapeutics | |
| Nobel Systems, Inc. | California |
| NobelOne, Inc. | Delaware |
| Nobias Therapeutics, Inc. | |
| Nobilis Therapeutics, Inc. | |
| Nobix, Inc. | California |
| Noble | Massachusetts |
| Noble Applications | Wisconsin |
| Noble By Design | |
| Noble Code, Inc. | |
| Noble Desktop | New York |
| Noble House | Florida |
| Noble Intent | |
| Noble International, LLC | Florida |
| Noble Life Sciences | Maryland |
| Noble Pharma | |
| Noble Studios | |
| Noble Webworks, Inc. | Florida |
| Noblis, Inc. | Virginia |
| NOBO Medicines, Inc. | |
| Nobody Studios | California |
| Nobohost | |
| NoBoringDesign | |
| Nobox Creatives | |
| Noboxidea | |
| Noc Services Corporation | New Jersey |
| Noc Solutions, LLC | Nevada |
| NOCD, Inc. | |
| Nocion Therapeutics, Inc. | |
| NocoDB, Inc. | California |
| NoCodeBR | |
| Noction | California |
| Noctrix Health, Inc. | |
| Nocturnal Coding Monkeys, LLC | Georgia |
| nod.ai | California |
| NodaFi | |
| Node.js | California |
| NodeBB, Inc. | |
| Noded.ai | |
| Nodejitsu | |