| Assertion, Inc. | Delaware |
| Asserts | California |
| Assess-IT | Virginia |
| Assessment Systems | |
| Assessment Technology, Inc. | Arizona |
| Assessments.com | Utah |
| AssessTEAM | Colorado |
| Asset Controls, Inc. | Missouri |
| Asset Conversion Services, Inc. | California |
| Asset Intertech, Inc. | Texas |
| Asset Management Ventures | California |
| Asset Panda | Texas |
| Asset Partners, Inc. | Illinois |
| Asset Systems, Inc. | Illinois |
| Asset Vue, LLC | Pennsylvania |
| Asset-Map | Pennsylvania |
| Asseta, Inc. | |
| Asseter Labs, Inc. | |
| Assetintel | |
| AssetLab Marketing | |
| AssetSense, Inc. | |
| Assette | Massachusetts |
| Assignar | Colorado |
| Assignar | |
| Assigncorp | California |
| Assindo, Inc. | |
| Assisi Software Corporation | Oregon |
| Assist 2 Develop, Inc. | California |
| ASSIST Business Solutions, LLC | |
| Assist One | Massachusetts |
| assisTek | Pennsylvania |
| Assistive Technology Development, Inc. | |
| Assistive Technology Industry Association | Illinois |
| Associated Communications and Research Services | Oklahoma |
| Associated Components Technology, Inc. | California |
| Associated Systems Professionals, LLC | |
| Associated Systems, Inc. | South Carolina |
| Associated Time & Parking Controls, Inc. | Texas |
| Associates of Cape Cod, Inc. | Massachusetts |
| Association Computer Services, Inc. | Indiana |
| Association for Advancing Automation | Michigan |
| Association for Automatic Identification and Mobility | Pennsylvania |
| Association for Competitive Technology | District of Columbia |
| Association for Computational Linguistics | Pennsylvania |
| Association for Computers and the Humanities | Massachusetts |
| Association for Computing Machinery | New York |
| Association for Computing Machinery University of Illinois Student Chapter | Illinois |
| Association for Executives in Healthcare Information Security | Michigan |
| Association for HighTechnology Distribution | Wisconsin |
| Association for Information Systems | Georgia |