| PrioSoft Construction Software | Nevada |
| Priovant Therapeutics, Inc. | |
| Priscilla Borges | |
| Prise Design Group | Oregon |
| Prism Computational Sciences, Inc. | Wisconsin |
| Prism Data Technologies, Inc. | |
| Prism Electronics | California |
| PRISM Marketing | Ohio |
| PRISM Marketing | |
| Prism Software | California |
| Prism Software Company | Tennessee |
| Prism Visual Software | New York |
| PRISM, Inc. | Virginia |
| Prism.fm | |
| Prisma | California |
| Prisma Labs, Inc. | California |
| Prisma Optics | Oregon |
| Prisma Therapeutics | |
| Prismark Partners, LLC | New York |
| Prismatic | Florida |
| Prismatic | |
| Prismm | |
| PrismNet Ltd | Texas |
| Prismpay Payment Gateway | Georgia |
| PrismRBS | Nebraska |
| PrismSystems, Inc. | Alabama |
| Prista Corporation | |
| Prista Technologies, LLC | |
| Pristine Surgical, LLC | New Hampshire |
| Pristine Systems Corporation | California |
| Pritzker Private Capital | Illinois |
| Priva | Illinois |
| Privacera, Inc. | California |
| Privacy | New York |
| Privacy Bee | |
| Privacy Data Systems | Indiana |
| PrivacyStar | Arkansas |
| PrivacyWare, Inc. | New Jersey |
| Privafy | Massachusetts |
| Private Equity List | Wyoming |
| Private Internet Access, Inc. | Colorado |
| Private Network Technologies | New Jersey |
| Private Wealth Systems | North Carolina |
| Private.me | |
| Privatenode | |
| Privcap | |
| Privco, Inc. | New York |
| Privily | Texas |
| Privo Technologies | Massachusetts |
| Privoro, LLC | Arizona |