| Platformatic | California |
| Platformatic, Inc. | |
| Platformeco, LLC | |
| Platinum Passports Marketing | |
| Platinum SEO Services | |
| Platinum Systems | Wisconsin |
| Platma | |
| Platoi Industries, Inc. | |
| Platt College | California |
| Platte Canyon Multimedia Software Corporation | Colorado |
| Platypus Technologies, LLC | |
| Plaudit Design | Minnesota |
| Plausible Labs Cooperative, Inc. | California |
| Plavno | |
| Play Media | |
| Play-it Health | Kansas |
| PlayBig Digital, LLC | |
| Playbite, Inc. | |
| Playbook Digital, Inc. | |
| PlaybookUX, LLC | |
| PlayBrassMonkey.com | |
| Playco | California |
| Player's Choice Video Games | North Carolina |
| PlayerData, Inc. | |
| PlayerLync, LLC | Colorado |
| Playermaker | Florida |
| PlayFirst, Inc. | California |
| Playful Studios | |
| Playgig, Inc. | California |
| Playground | California |
| Playground Consulting, Inc. | Nevada |
| Playground Global | California |
| Playground Studio Co | |
| PlayHT | |
| Playlister | |
| PlayMetrics, LLC | North Carolina |
| Playon.tv | New York |
| Playroom, Inc. | |
| PlaySafe ID | |
| Playsino, Inc. | California |
| Playsout | |
| Playstudios | |
| Playvox by NICE | |
| PlayVS | |
| Playwire | Florida |
| Plaza Marquee, Inc. | New York |
| PLCs Plus International, Inc. | California |
| PLDA, Inc. | California |
| Plecco Technologies, Inc. | North Carolina |
| Pledge | |