| Advantco International, LLC | North Carolina |
| Advantec Computer Company | California |
| Advantec Solutions | Oklahoma |
| Advantech | Delaware |
| Advantech B+B SmartWorx | Illinois |
| Advantech Consulting Group | Missouri |
| AdvanTech, Inc. | Maryland |
| Advantiv Solutions, LLC | Arizona |
| Advantiv Technologies | California |
| Advantive | |
| Advantlink Enterprises, Inc. | Florida |
| Advantor Systems | Florida |
| Advanved Worldwide Design | Georgia |
| Advanz Credit Union | |
| Advarra | |
| Advata, Inc. | Washington |
| Advection | Connecticut |
| Advenchen Laboratories, LLC | California |
| Advenchen Laboratories, LLC | |
| Advent Digital | Texas |
| Advent Global Solutions, Inc. | Texas |
| Advent Media, Inc. | Ohio |
| Advent Technologies Holdings, Inc. | Massachusetts |
| Advent Therapeutics, Inc. | |
| Advent Trinity Marketing Agency | |
| AdventHealth University | |
| Adventure Entertainment Cos., LLC | California |
| Adventure Web | Maryland |
| Adventure, Inc. | |
| Adventures in Design | |
| AdVentures Media | |
| Adventures Online | Massachusetts |
| AdventureTech Group, Inc. | Kansas |
| Advernation, LLC | |
| AdverNETs Internet Solutions, Inc. | Colorado |
| Advertising Age | New York |
| Advertising Checking Bureau, Inc. | |
| Advertising Online Agency | |
| Adverum Biotechnologies, Inc. | California |
| Advice Interactive Group | Texas |
| Advice Interactive Group, LLC | Texas |
| AdviceSoft, LLC | New York |
| Adviise, Inc. | Texas |
| AdvikSoft, Inc. | California |
| Advin | California |
| AdviNOW, Inc. | Arizona |
| Advintro, LLC | Texas |
| Advion BioSciences | New York |
| Advirna, LLC | Massachusetts |
| Advirna, LLC | Massachusetts |