| Company | Location |
|---|---|
| Merck & Company Inc. | Whitehouse Station, New Jersey, United States |
| Merck Research Labs | Boston, Massachusetts, United States |
| Meridian Solar | Austin, Texas, United States |
| Merit Sensor Systems Inc. | Santa Clara, California, United States |
| Merrill Lynch & Co. Inc. | Portland, Maine, United States |
| MesoFuel Inc. | Albuquerque, New Mexico, United States |
| Mesophotonics Ltd. | Southampton Hampshire, United Kingdom |
| MesoSystems Technology Inc. | Albuquerque, New Mexico, United States |
| Metallicum LLC | Sante Fe, New Mexico, United States |
| Metrics Group LLC | Falls Church, Virginia, United States |
