| Microtech Systems, Inc. | California |
| Microtech Ventures | Michigan |
| Microtech, Inc. | Connecticut |
| Microtel | |
| Microtica | California |
| Microtime Computers | Massachusetts |
| Microtools | California |
| MicroTransponder | Texas |
| Microtronic, Inc. | New York |
| Microvascular Tissues, Inc. | California |
| Microvellum | |
| MicroVention, Inc. | California |
| MicroVest | Maryland |
| MicroVision Development, Inc. | California |
| MicroWash | |
| Microwave Advances, LLC | Massachusetts |
| Microwave Communications Laboratories, Inc. | Florida |
| Microwave Component Marketing | Florida |
| Microwave Development Laboratories | |
| Microwave Devices, Inc. | Pennsylvania |
| Microwave Filter Company, Inc. | New York |
| Microwave Networks, Inc. | Texas |
| Microwave Photonic Systems, Inc. | |
| Microwave Products Group | |
| Microwave Solutions, Inc. | California |
| Microway | Massachusetts |
| MicroWeb | Arizona |
| MicroWest Software Systems, Inc. | California |
| Microwize Technology | New Jersey |
| Microworks POS Solutions | |
| Microworks POS Solutions, Inc. | New York |
| Microworks Technologies, Inc. | California |
| MiCTA | Michigan |
| Mid America Solutions, LLC | Indiana |
| Mid America Web Solutions | Illinois |
| Mid Atlantic Consulting, Inc. | Virginia |
| Mid Continent Controls, Inc. | Kansas |
| Mid Michigan College | Michigan |
| Mid-America Christian University | Oklahoma |
| Mid-Atlantic BioTherapeutics | |
| Mid-Atlantic Christian University | North Carolina |
| Mid-Atlantic Computer Solutions | Virginia |
| Mid-Atlantic Crossroads | Maryland |
| Mid-Atlantic Data Systems | New Jersey |
| Mid-Atlantic IT Training | Massachusetts |
| Mid-City Office Systems, Inc. | Indiana |
| Mid-Hudson Web | |
| Mid-Michigan Computer Consultants, Inc. | Michigan |
| Mid-Rivers Communications | Montana |
| Mid-South Marking Systems | Tennessee |