| Modern Data | Ohio |
| Modern Design Media | |
| Modern Device | Rhode Island |
| Modern Energy | |
| Modern Managed IT | |
| Modern Marketing Partners | Illinois |
| Modern Office Methods | Ohio |
| Modern Retail | Illinois |
| Modern Signal, LLC | Virginia |
| Modern Software Services, Inc. | Florida |
| Modern Systems | Texas |
| Modern Thinking | Texas |
| Modern Treasury Corporation | California |
| Modern Woodmen of America | |
| ModernApps Live | Florida |
| Moderne | Florida |
| Moderne Ventures | Illinois |
| ModernFi | |
| Modernize | |
| modernize your application | |
| Modernizr | California |
| ModernLoop | |
| Modernwell | Minnesota |
| Moderro Technologies, Inc. | California |
| Modesto Junior College | California |
| Modev | Virginia |
| Modeva Media | North Carolina |
| ModeX Therapeutics | |
| MODFLOW.org | Utah |
| Modifi Bio | Connecticut |
| Modiphy | Louisiana |
| ModLogix | |
| ModMed | |
| Modo Energy | |
| Modo Labs | Massachusetts |
| ModoPayments, LLC | Texas |
| ModRecruiting | Texas |
| ModRetro, Inc. | |
| ModSquad, Inc. | |
| ModSquare Design, Inc. | |
| Modular Communication Systems, Inc. | Michigan |
| Modular Devices, Inc. | |
| Modular Medical, Inc. | California |
| Modular Robotics | |
| Modular, Inc. | |
| Modulate Bio | |
| Modulate, Inc. | Massachusetts |
| Modules Technology, Inc. | California |
| Modulight Biotherapeutics | |
| Modulight Corporation | |