| Phosphor Studios | Illinois |
| Phosphorex, LLC | Massachusetts |
| Phosphorus Cybersecurity, Inc. | Tennessee |
| PhosphoSolutions | Colorado |
| Photo Fabricators, Inc. | California |
| PhotoBiz, LLC | North Carolina |
| Photobucket | Colorado |
| Photobucket.com, Inc. | |
| Photodigm, Inc. | Texas |
| PhotoELF | Minnesota |
| Photofeeler, Inc. | |
| Photogra, Inc. | Georgia |
| PhotoMix | Virginia |
| Photon | |
| Photon Biosciences, LLC | |
| Photon CMS, Inc. | |
| Photon Engineering, LLC | Arizona |
| Photon Marine, Inc. | |
| Photon Medical Communications, Inc. | Arizona |
| Photon.Net | Michigan |
| Photongarden | Minnesota |
| PhotonHub Europe | |
| Photonic Network | Arizona |
| Photonic Studio | |
| PhotoniCare, Inc. | North Carolina |
| Photonics Online | Pennsylvania |
| Photonics, Inc. | Pennsylvania |
| Photonics.com | Massachusetts |
| PhotonPharma, Inc. | |
| PhotonVPS | California |
| PhotoPharmics, Inc. | Utah |
| PhotoShelter, Inc. | |
| PhotoShelter, Inc. | |
| Photoshop Help | California |
| PhotoshopCAFE.com | California |
| PhotoshopWorld | Florida |
| PhotoSoft Systems | California |
| Photoswitch Biosciences, Inc. | Ohio |
| Photozig, Inc. | California |
| Photronics, Inc. | Connecticut |
| Photys Therapeutics | |
| PHP | North Carolina |
| PHP Capital | Colorado |
| PHP Kemist | Utah |
| PHP Point Of Sale, LLC | New York |
| PHP The Right Way | |
| Phrasly, LLC | |
| Phraxis, Inc. | |
| Phreesia | Delaware |
| Phronetik | |