- PHA
- Public Housing Agency (Governmental » US Government)*** Pulmonary Hypertension Association (Community » Non-Profit Organizations)** Pulse Height Analysis (Academic & Science » Electronics)* Pharmacia Corporation (Business » NYSE Symbols)* Prince Hall Affiliated (Academic & Science » Universities)* Parks and Horticulture Authority (Governmental » Environmental)* Potentially Hazardous Asteroid (Academic & Science » Astronomy)* Preventive Health Assessment (Medical » Physiology)* Potentially Hazardous Asteroids (Governmental » NASA)* Palomino Horse Association (Community » Sports)* Physical Health Assessment (Governmental » Military)* Poly- Hydroxy Alkanoate (Miscellaneous » Plastics)* Pacific Health Association (Community » Non-Profit Organizations)* Phan Rang, Vietnam (Regional » Airport Codes)* Packowski Heinritz Associates (Business » Firms)* Pearl Harbor Associates (Community » Non-Profit Organizations)Plant Health Australia (International » Australian)
Abbreviations dictionary. 2012.