| Mintz Levin Cohn Ferris Glovsky and Popeo PC | Boston, Massachusetts, United States |
| Minus K Technology | Inglewood, California, United States |
| Mirus Corp. | Madison, Wisconsin, United States |
| MIS Inc. | Villa Park, Illinois, United States |
| Misonix, Inc. | Farmingdale,, New York, United States |
| Mission Ventures | San Diego, California, United States |
| MIT Technology Licensing Office | Cambridge, Massachusetts, United States |
| MITI Systems | Daejeon, Korea |
| MITRE Corp. - Nanosystems Group | McLean, Virginia, United States |
| Mitsubishi Chemical Corp. | Tokyo, Japan |