| Performance Marketing & Consulting | |
| Performance Motion Devices, Inc. | Massachusetts |
| Performance MS, LLC | |
| Performance Software Associates, Inc. | Colorado |
| Performance Software Corporation | Arizona |
| Performance Trust Capital Partners, LLC | |
| Performance Tuning Corporation | Texas |
| Performance Validation | |
| Performant Capital | Illinois |
| Performax | New Hampshire |
| Performetry | California |
| Performics | |
| Performio | California |
| Performive, LLC | Georgia |
| Performix Business Services, LLC | Minnesota |
| PerformLine | |
| PerformYard | Virginia |
| PerfTestPlus, Inc. | Florida |
| Perfuse Therapeutics | |
| Pergamon Corporation | Pennsylvania |
| Pergatech, Inc. | Minnesota |
| Pergenex Software, LLC | Connecticut |
| PERI Software Solutions, Inc. | New Jersey |
| Peri-Nuc Labs, LLC | Texas |
| PeriCor, LLC | Maryland |
| Perigee Aerospace, Inc. | |
| PeriGen, Inc. | North Carolina |
| Perigon, Inc. | |
| Perimeter 81 Ltd | New York |
| Perimeter Medical Imaging AI | Texas |
| Perini Capital, LLC | Arizona |
| Perion Network Ltd | |
| PeriphaGen, Inc. | Pennsylvania |
| Peripheral Dynamics, Inc. | Pennsylvania |
| Periscope | Minnesota |
| Periscope Holdings | Texas |
| Periscope Technology Solutions Ltd | New York |
| periscopeUP | Maryland |
| Perisoft | Washington |
| Perituza Software Solutions, LLC | |
| Perk USA, Inc. | |
| PerkinElmer | |
| Perkins Communications | Ohio |
| Perkins Medical Services | New Hampshire |
| Perkolate | California |
| Perkville, Inc. | |
| Perl Mongers | Michigan |
| Perle AI | |
| Perma Technologies | |
| Perma-Mark Industries | Massachusetts |