| Program for Appropriate Technology in Health | Academic & Science |
| Ameripath, Inc. | Business |
| Positive Alternatives to Homosexuality | Community |
| Professional Association for Theraputic Horsemanship | Community |
| Professional Association of Traditional Healers | Community |
| Perseverance Achievement Transition Heart | Community |
| Parents As Tender Healers | Community |
| People Assisting The Homeless | Community |
| Professional Association of Treatment Homes | Community |
| Positive Approach to Teen Health | Community |
| Personal Accountability, Trust, and Honor | Community |
| Peddle Around Through History | Community |
| Perseverance, Accomplishment, Triumph, and Honor | Community |
| Peaceful Assistance, Training, and Housing | Community |
| Prevention Assistance and Temporary Housing | Community |
| Partnership Assistance To the Homeless | Community |
| Presbyterian Answer To Hunger | Community |
| Search a specified Path (potentially in another directory) | Computing |
| PathFund | Cryptocurrency |
| PathDAO | Cryptocurrency |
| Potomac-appalachian Transmission Highline | Electronics |
| Protocol Action Towards Homeostasis | General |
| Preservation Of Authentic Traditions And Healing | General |
| Positive Action Training Highway | General |
| Projects for Assistance in Transition from Homelessness | General |
| Partnership Accountability Training Hope | General |
| People Acting To Help | General |
| Play at the Hub | General |
| Partners Against Trafficking Humans | General |
| Perseverance Accomplishment Triumph Honor | General |
| Pause Acknowledge Think Help | General |
| Program on Advanced Technology for the Highway | General |
| Predicting Action of The Human | General |
| Program for Advanced Transit and Highway | Governmental |
| Partners For Advanced Transit And Highways | Governmental |
| Port Authority Trans Hudson | Governmental |
| People Attempting To Help | Governmental |
| Primary Ability Training Huddle | Governmental |
| Piers Anthony Thread Homepage | Internet |
| Purpose, Alignment, Transformation, and Health | Medical |
| Personal Awareness Through Health | Medical |
| Promoting Action Toward Health | Medical |
| Program For Aids Treatment And Health | Medical |
| Proactive Advantage for Total Healthcare | Medical |
| Partnering to Advance Training and Health | Medical |
| Population Assessment of Tobacco and Health | Medical |
| Personal Actions To Health | Medical |
| Physicians At Teaching Hospitals | Medical |
| Professional Association of Therapeutic Horsemanship | Medical |
| Post Abortion Treatment And Healing | Medical |
| Pursuing Alternative Treatments for Healing | Medical |
