| Actuate Therapeutics, Inc. | Texas |
| Actuated Medical | Pennsylvania |
| Actus Digital | Massachusetts |
| ACTWD | |
| Actylis | New York |
| Actym Therapeutics, Inc. | California |
| ACU Web, Inc. | California |
| AcuamarkDx | New York |
| Acuative | New Jersey |
| Acudata, Inc. | Texas |
| Acuere Software, LLC | Texas |
| Acuitive Solutions, LLC | North Carolina |
| Acuitive Technologies, Inc. | New Jersey |
| Acuity Brands, Inc. | |
| Acuity Human Resources, LLC | Pennsylvania |
| Acuity Innovation, LLC | California |
| Acuity Market Intelligence, LLC | Colorado |
| Acuity Pro, Inc. | Oklahoma |
| Acuity Spatial Genomics, Inc. | Massachusetts |
| Acuity Strategic Partners, LLC | |
| Acuity Technologies | Florida |
| AcuityMD, Inc. | |
| Aculocity, LLC | Illinois |
| Acumatica, Inc. | Maryland |
| Acumed, LLC | Oregon |
| Acumedia Corporation | |
| Acumen Advisors | Virginia |
| Acumen Book | New Mexico |
| Acumen Consulting | Missouri |
| Acumen design and consulting | South Carolina |
| Acumen Pharmaceuticals, Inc. | Virginia |
| Acumence | Indiana |
| Acumentrics Corporation | Massachusetts |
| Acumera, Inc. | Texas |
| Acumium | Wisconsin |
| Acunetix | Texas |
| AcuNett, LLC | Tennessee |
| Acunote | California |
| Acura Pharmaceuticals, Inc. | Illinois |
| AcuraStem, Inc. | California |
| Acurex Biosciences | California |
| Acurx Pharmaceuticals, Inc. | New York |
| Acusis, LLC | Pennsylvania |
| Acute Systems Software | Illinois |
| Acutedge, Inc. | Pennsylvania |
| Acutis Biosciences | New Jersey |
| Acutrack | California |
| ACV Auctions, Inc. | New York |
| Acveti, Inc. | |
| AcvtiveVideo | California |