- PTD
- Property Tax Division (Governmental)* Power Transmission and Distribution (Business » Firms)* Permanent total disability (Medical » Physiology)* Participatory Technology Development (Academic & Science » Universities)* Participatory Technology Development (Governmental » US Government)* Participatory Technology Development (Business » Firms)* PenTeleData (Business » Firms)* Password Tracker Deluxe (Computing » Software)* Password Tracker Deluxe (Computing » Security)* Professional Technical Development (Business » Positions)* Professional Technical Development (Community » Educational)* Provisioning Technical Documentation (Governmental » Military)
Abbreviations dictionary. 2012.