| Placements.io | |
| Placer Labs, Inc. | California |
| PlaceSpeak, Inc. | |
| Placester | |
| Placid Tech, LLC | |
| PlacingIT | |
| PlagSpotter | New York |
| Plaible, Inc. | |
| Plaid Tractor Creative | Washington |
| Plaid, Inc. | |
| Plain | |
| Plain Black | Wisconsin |
| Plain Theory, Inc. | |
| Plaine Products, LLC | |
| Plakar | |
| Plakous Therapeutics | |
| Plaky | California |
| Plan 2 Succeed Consulting, LLC | |
| Plan 9, Inc. | |
| Plan B Computer Services | California |
| Plan-It Marketing, Inc. | |
| Plan2Play | Colorado |
| Planalytics, Inc. | Pennsylvania |
| Planar | Oregon |
| Planar Monolithics Industries, Inc. | Maryland |
| Planatome | |
| Planbase | |
| Planck Resolution Ltd | New York |
| PlanData Systems Corporation | New York |
| Planday | California |
| Plane | California |
| PLANELOGIX | North Carolina |
| Planera, Inc. | |
| Planet 9 Studios, Inc. | California |
| Planet Argon, LLC | |
| Planet Biotechnology, Inc. | California |
| Planet DDS, Inc. | California |
| Planet Labs, Inc. | California |
| Planet Links, LLC | Arizona |
| Planet Marketing | California |
| Planet Media | |
| Planet Mug | California |
| Planet Networks, Inc. | New Jersey |
| Planet Studio, LLC | Georgia |
| Planet Technologies | Maryland |
| Planet Technology | Massachusetts |
| Planet Tools, LLC | |
| Planetary | |
| Planetary Technologies, Inc. | |
| PlanetBids, LLC | |