| ARIZ Precision Medicine | California |
| Arize AI, Inc. | California |
| Arizon Solutions, Inc. | Texas |
| Arizona Bay, LLC | California |
| Arizona Christian University | Arizona |
| Arizona Commerce Authority | |
| Arizona Computer Guru | Arizona |
| Arizona Computer Services, Inc. | Arizona |
| Arizona Connector | Arizona |
| Arizona Internet Marketing, LLC | Arizona |
| Arizona Macintosh Users Group | Arizona |
| Arizona Media Association | |
| Arizona Microtek, Inc. | Arizona |
| Arizona Oncology | |
| Arizona Research Center | Arizona |
| Arizona State University | Arizona |
| Arizona State University Linux User Group | Arizona |
| Arizona State University School of Computing and Augmented Intelligence | Arizona |
| Arizona State University School of Computing, Informatics and Decision Systems Engineering | Arizona |
| Arizona State University School of Mathematical and Statistical Sciences | Arizona |
| Arizona State University The Polytechnic School Information Technology | Arizona |
| Arizona Technology Council | Arizona |
| Arizona Web Services | Arizona |
| Arizona Western College | Arizona |
| Arizona's Printer Service, Inc. | Arizona |
| ARJ Software | Massachusetts |
| ARK Clinical Research | |
| Ark Diagnostics, Inc. | California |
| Ark Systems | California |
| Ark Web Studios | |
| ARKA Group, L.P. | |
| Arkadium | New York |
| Arkansas Baptist College | Arkansas |
| Arkansas Northeastern College | Arkansas |
| Arkansas Small Business and Technology Development Center | Arkansas |
| Arkansas State University | Arkansas |
| Arkansas State University Newport | Arkansas |
| Arkansas State University System | Arkansas |
| Arkansas State University System Foundation, Inc. | Arkansas |
| Arkansas State University Three Rivers | Arkansas |
| Arkansas State University-Beebe | Arkansas |
| Arkansas State University-Mid-South Information System Technology | Arkansas |
| Arkansas State University-Mountain Home | Arkansas |
| Arkansas Tech University | Arkansas |
| Arkansas Telecommunications Association | Arkansas |
| Arkansas Valley Communications | Arkansas |
| ArkansasWeb.com | Arkansas |
| Arkatechture | Maine |
| ARKAY Engineering Sales, Inc. | Ohio |
| Arkayli Biopharma | |