| PropBidder, Inc. | |
| PropDispatch | Texas |
| Propel Media, Inc. | California |
| Propel PLM, Inc. | California |
| Propel Venture Partners | |
| Propel, Inc. | New York |
| PropelAuth, Inc. | |
| Propellant Media | |
| Propellant Ventures | Illinois |
| Propelled Technologies, LLC | Alabama |
| Propeller | Louisiana |
| Propeller Aero, Inc. | Colorado |
| Propeller Head Software, Inc. | North Carolina |
| Propeller Health | Wisconsin |
| Propeller Media Works | Vermont |
| Propellic | |
| Propelo | California |
| Propelo Media | |
| PropelSys Technologies, LLC | Texas |
| Proper Technologies, Inc. | California |
| ProperExpression | |
| Properties Online, LLC | California |
| Property Guard | Oregon |
| Property Minder | California |
| Property Panorama, Inc. | Ohio |
| Propertyware | Texas |
| PropFlow, LLC | |
| ProPharmaCon, LLC | |
| ProPhase Labs, Inc. | New York |
| Prophecy | |
| Prophesy | Connecticut |
| Prophet | |
| Prophet One Solutions | Indiana |
| Prophet Security, Inc. | |
| Prophet Security, Inc. | |
| Prophit.ai | Ohio |
| ProPlanet Internet Solutions, Inc. | Illinois |
| Proplanner | |
| PROplus Technology, Inc. | California |
| Proposa | New York |
| ProposalSpace, LLC | |
| Propricer | California |
| Proprio | Washington |
| ProProfs | California |
| ProProfs | |
| PROPSproject | New York |
| PropStream | California |
| PropTech Acquisition | California |
| Propulsion | |
| Propy, Inc. | Florida |