| AxTools | Texas |
| Axtria | New Jersey |
| Axure Software Solutions, Inc. | California |
| Axus Technology | Arizona |
| Axway | Arizona |
| Axxcelera Broadband Wireless | California |
| Axxerion USA | California |
| Axxess Technology Solutions, Inc. | Texas |
| Axxiem Web Solutions | New York |
| Axxon Group | Kentucky |
| AXYS Media, Inc. | |
| AY Automate | |
| AY Software Corporation | Colorado |
| Aya Healthcare, Inc. | |
| Ayala Pharmaceuticals, Inc. | |
| Ayannah Information Solutions Corporation | California |
| Ayar Labs, Inc. | California |
| Ayasdi, Inc. | California |
| Ayata | Texas |
| Ayatas Technologies | California |
| Ayehu, Inc. | California |
| Ayera Technologies, Inc. | California |
| AYKsolutions, LLC | New York |
| Ayla Networks, Inc. | California |
| Ayna Corporation | New Hampshire |
| Aynetsoft | Wyoming |
| Ayoka, LLC | Texas |
| Ayokay, LLC | |
| Ayraxs Technologies, Inc. | |
| Ayronix | Colorado |
| Ayrshare | New York |
| Ayrstone Productivity, LLC. | Arizona |
| AYS Consulting Services | North Carolina |
| AYS Labs, LLC | |
| Aytera International, Inc. | California |
| Aytm | New Jersey |
| Aytu BioPharma, Inc. | |
| Ayudante, Inc. | |
| AyuVis Research, Inc. | Texas |
| Ayyansoft | |
| Ayyeka | New York |
| AZ Citation Services | |
| AZ Computer Lab, Inc. | Arizona |
| AZ Data Tek | Arizona |
| AZ Displays, Inc. | California |
| AZ Got Nerd | Arizona |
| AZ Tech Services | |
| AZ TechCelerator | Arizona |
| AZ Technology, LLC | |
| AZ Website Designs | Arizona |