| Miller Technologies | North Carolina |
| Millermark Creations, LLC | Louisiana |
| Millermore, LLC | |
| Millersville University Computer Science | Pennsylvania |
| Millersville University Department of Mathematics | Pennsylvania |
| Millhouse Electronics | Wyoming |
| Milliken Research Associates, Inc. | New York |
| Millikin University | Illinois |
| Milliman, Inc. | |
| Million Dollar Scholar | |
| MilliporeSigma | |
| Millitzer Capital | Florida |
| Milllenium | Wisconsin |
| Millrock Technology, Inc. | New York |
| Mills' Communications, Inc. | Maryland |
| Millsaps College Mathematics Department | Mississippi |
| Milner | Georgia |
| Milner Technologies, Inc. | Georgia |
| Milomedia | Colorado |
| Milplex Circuits, Inc. | Illinois |
| Milsoft Utility Solutions | Texas |
| Milton Academy | Massachusetts |
| Milu Labs | New York |
| Milvus | |
| Milwaukee Area Technical College | Wisconsin |
| Milwaukee Electronics | Wisconsin |
| Milwaukee PC | Wisconsin |
| Milwaukee School of Engineering | Wisconsin |
| Milwaukee SEO Services | |
| Milwaukee Web Design, LLC | |
| MilwaukeeDigitalMarketing.com | |
| Milyli, Inc. | Illinois |
| Mimecast Services Ltd | Massachusetts |
| MiMedia, Inc. | New York |
| MiMedx Group, Inc. | Georgia |
| Mimeo | |
| Mimetics | North Carolina |
| Mimeya Technology, LLC | Pennsylvania |
| Mimic Networks, Inc. | |
| MIMICS, Inc. | New Mexico |
| Mimik | |
| Mimiq, Inc. | California |
| Mimir Corporation | Indiana |
| Mimiran CRM | Texas |
| MimiVAX, LLC | New York |
| MiMo Capital, LLC | Florida |
| Mimozza Software, LLC | Wyoming |
| Minaris Advanced Therapies, LLC | |
| Mind & Mill, LLC | |
| MIND Development & Design, LLC | |