| American Barcode and RFID | Arizona |
| American Binary | Washington |
| American Brand Services | |
| American Broadband Services | California |
| American Business Capital Corporation | |
| American Business Solutions, Inc. | Ohio |
| American Business Systems | Arkansas |
| American Business Systems, Inc. | Massachusetts |
| American Business Technologies, Inc. | Ohio |
| American Business Telephone & Technologies | Connecticut |
| American Cable and Electronics, Inc. | Wisconsin |
| American Center for Physics | |
| American Chase | |
| American Circuit Technology | California |
| American College of Education | Indiana |
| American College of Nurse-Midwives | |
| American College of Radiology | |
| American College of Rheumatology | |
| American Communication Systems, Inc. | New York |
| American Communications Equipment | Maryland |
| American Computer & Robotics Museum | Montana |
| American Computer Development, Inc. | Maryland |
| American Computer Resources, Inc. | Connecticut |
| American Computer Solutions, Inc. | Florida |
| American Copy Service Center, Inc. | Connecticut |
| American Creative, Inc. | |
| American CryoStem Corporation | New Jersey |
| American CyberSystems, Inc. | Georgia |
| American Data Group | Colorado |
| American Data Group | |
| American Data Path, Inc. | Colorado |
| American Data Systems, Inc. | Florida |
| American David Livingstone University of Florida | |
| American Design & Development | |
| American Devices | Connecticut |
| American Digital Agency, LLC | |
| American Digital Cartography, Inc. | Wisconsin |
| American Digital Corporation | Illinois |
| American Digital Studios | |
| American Direct Marketing Services, Inc. | Texas |
| American Distributors, Inc. | New Jersey |
| American Eagle Systems, Inc. | New York |
| American Ecotech | Rhode Island |
| American Electronic Components, Inc. | New Jersey |
| American Enterprise Institute | |
| American Eonomic Association | |
| American Express | |
| American Gene Technologies | Maryland |
| American GNC Corporation | California |
| American Graphics Institute, Inc. | Massachusetts |