| A Sharp, LLC | Pennsylvania |
| A Simple World | California |
| A Small Orange, LLC | Georgia |
| A Street Web Design | Oregon |
| A to Z Computer Center, LLC | Connecticut |
| A Visual Identity | Arizona |
| A Web | New York |
| A Working Website | Arizona |
| A&A Search, LLC | New Hampshire |
| A&B Business | South Dakota |
| A&B Software, LLC | Connecticut |
| A&D Medical | Michigan |
| A&H Software House, Inc. | New York |
| A&J Programming | California |
| A&K Robotics, Inc. | |
| A&K Systems | California |
| A&R Tarpaulins, Inc. | |
| A&T Systems, Inc. | Maryland |
| A* | California |
| A+ Cable Runners | Florida |
| A+ Computer Service | Tennessee |
| A+ Computer Specialists, Inc. | Minnesota |
| A+ Conferencing | Texas |
| A+ Mobile PC Doctors | Massachusetts |
| A+ Perfect Computers, LLC | Connecticut |
| A+L Development, LLC | |
| A+R Media Studio, LLC | |
| A-1 Enterprise, Inc. | Nevada |
| A-1 Internet Design | New York |
| A-1 Technology, Inc. | New York |
| A-1 Telecom, Inc. | Michigan |
| A-2-Z Solutions, Inc. | Florida |
| A-Alpha Bio, Inc. | Washington |
| A-B Computer Solutions, Inc. | Louisiana |
| A-Game Strategic Marketing | |
| A-ITpro | California |
| A-Jour Net, Inc. | Colorado |
| A-Level Capital | Maryland |
| A-LIGN | Florida |
| A-List Hosting | North Carolina |
| A-M Systems, LLC | Washington |
| A-P-T Research, Inc. | Alabama |
| A-Players | |
| A-Synaptic | Massachusetts |
| A-Systems Corporation | Utah |
| A-Team Computer Services, LLC | Wisconsin |
| A-Tech International | Kansas |
| A-Tek Computer Services | Ohio |
| A-Teq Systems, LLC | Alaska |
| A-TRAC Computer | Massachusetts |