| Austin Biosciences | Minnesota |
| Austin Capital Trust Company, LLC | Nevada |
| Austin Coding Academy | Texas |
| Austin College Computer Science | Texas |
| Austin College Mathematics | Texas |
| Austin Energy | Texas |
| Austin Forum on Science, Technology & Society | Texas |
| Austin Free-Net | Texas |
| Austin Lane Technologies, Inc. | Texas |
| Austin Linux Enthusiasts | Texas |
| Austin Mac Repair | Texas |
| Austin MacWorks | Texas |
| Austin N.C., Inc. | Texas |
| Austin Network Services, Inc. | Texas |
| Austin Peasy State University | Tennessee |
| Austin Perl Mongers | Texas |
| Austin Return On Now Internet Markerting, LLC | Texas |
| Austin SEO | Texas |
| Austin SEO Geeks | Texas |
| Austin Startup Week | Texas |
| Austin Startups | Texas |
| Austin Startups List | Texas |
| Austin Technology Council | Texas |
| Austin Technology Incubator | Texas |
| Austin Ventures | Texas |
| Austin Web Design | Texas |
| Austin Web Publishing, Inc. | Texas |
| Austin Women in Technology | Texas |
| Austin Z. Henley | |
| austin78704.com Web & Graphics | Texas |
| AustinPx, LLC | Texas |
| Austintatious Design Co | |
| Austral Biologicals | California |
| Autel Robotics | Washington |
| Auterion Ltd | |
| Auth Armor Technologies, Inc. | California |
| Auth0, Inc. | Washington |
| Authentic Imaging | |
| Authentic Jobs, Inc. | Utah |
| Authentic Web Solutions | |
| Authentic8, Inc. | California |
| AuthenticID, Inc. | |
| Authenticom Services, LLC | Wisconsin |
| authenticWEB | Florida |
| Authenticx | |
| authID, Inc. | Colorado |
| Authlete, Inc. | |
| Author-it Software Corporation | California |
| Authora, Inc. | Washington |
| Authorea | New York |