| Company | Location |
|---|---|
| MST.factory dortmund GmbH | Dortmund, Germany |
| MSTC Program | IC² Institute | The University of Texas | Austin, Texas, United States |
| MTBSolutions Inc. | San Jose, California, United States |
| MTI Instruments Inc. | Albany, New York, United States |
| MTI MicroFuel Cells Inc. | Los Altos, California, United States |
| MTPV | Austin, Texas, United States |
| MTS Mikrowellen - Technologie und Sensoren GmbH | Ottobrunn, Germany |
| MTS Systems Corp. | Eden Prairie, Minnesota, United States |
| MultiMEMS | Horten, Norway |
| Muskegon Area First | Muskegon, Michigan, United States |
