| AmpliX | |
| Ampliz | California |
| Amplus Agency | |
| Amply Discovery | |
| AMPLY Power | California |
| Amply, LLC | |
| Amprion | |
| Amprion, Inc. | California |
| Amprius Technologies | California |
| Ampt Web Services, Inc. | |
| Ampt, LLC | Colorado |
| AMPTAB | Washington |
| Amptek, Inc. | |
| AmpUp | California |
| AMPY | Illinois |
| AMR Clinical | |
| Amridge University | Alabama |
| Amritt, Inc. | California |
| Amro Moura | Georgia |
| AMS Experts IT Consulting | |
| AMS Networks | District of Columbia |
| AMS Software | North Carolina |
| AMS Software, Inc. | Oregon |
| AMS Technology | |
| AMS-Qi | |
| AMSAT-NA | Maryland |
| Amsel Medical | Massachusetts |
| Amshot | |
| Amsino International, Inc. | California |
| Amsive | |
| Amsoft | Florida |
| AMSoft Group | |
| AMT Computers | Indiana |
| AMT Manufacturing, LLC | |
| AMT Microwave Corporation | California |
| AMT Software, LLC | Michigan |
| AMT, Inc. | Minnesota |
| AMTdirect | North Carolina |
| AMTECH Computer Services, Inc. | Florida |
| Amtech Software, LLC | Pennsylvania |
| Amtech Systems, Inc. | Arizona |
| Amtek | California |
| AMTELCO | Wisconsin |
| Amtex Systems | New York |
| Amtex Systems, Inc. | New York |
| AmtixBio Corporation | |
| AmTote International, Inc. | Maryland |
| Amtron Technology, Inc. | California |
| Amulet Network Services, LLC | New Jersey |
| Amulet Technologies, LLC | California |