| Amatrol, Inc. | Indiana |
| Amatysta Consulting, LLC | |
| AMAX Engineering | California |
| Amaxra, Inc. | Washington |
| Amaze One | |
| Amaze Software, Inc. | California |
| Amaze Systems | |
| Amaze, Inc. | |
| Amazeinc Internet Solutions | California |
| Amazing Charts, LLC | Rhode Island |
| Amazing Websites | Florida |
| AmazingHiring | |
| Amazingmail.com, Inc. | Arizona |
| AmazingWeb | Washington |
| Amazinum | |
| Amazon Games | Washington |
| Amazon Leo | |
| Amazon Q Developer | |
| Amazon Web Services, Inc. | Washington |
| Amazon.com, Inc. | Washington |
| Amazon.jobs | Washington |
| AMB Web Design, LLC | Nevada |
| Amban.com | Georgia |
| Ambarella | California |
| Ambassador | Michigan |
| Ambassador Solutions | Indiana |
| Ambaum Labs, LLC | |
| AMBC Technologies | |
| Amber Agriculture, Inc. | Illinois |
| Amber Bio | |
| Amber Biology, LLC | |
| Amber Weinberg | Tennessee |
| Ambercycle, Inc. | |
| AmberDot, LLC | California |
| Amberflo, Inc. | California |
| AmberGen, Inc. | Massachusetts |
| Amberstone Biosciences | California |
| Amberteq, Inc. | |
| Amberton University | Texas |
| Ambi Robotics, Inc. | California |
| Ambience Healthcare | |
| Ambience Healthcare, Inc. | |
| Ambient Biosciences | |
| Ambient Clinical | Minnesota |
| Ambient Property Technologies, Inc. | |
| Ambient Scientific, Inc. | |
| Ambient.ai | California |
| AmbioPharm, Inc. | South Carolina |
| Ambiq Micro, Inc. | Texas |
| Ambisafe Software, Inc. | |