| PTIS | Packaging and Technology Integrated Solutions 
| Others |
| PTIS | Packaging Technology Integrated Solutions
| Others |
| PTIS | Passenger Train Information System
| Others |
| PTIS | Patent And Trademark Information Service
| Others |
| PTIS | Payroll Tax Incentive Scheme
| Others |
| PTIS | Perguruan Tinggi Ilmu Statistik
| Others |
| PTIS | Permit Tracking Issuance System
| Others |
| PTIS | Photo Thermal Ionization Spectroscopy
| Others |
| PTIS | Physical Therapy Injury Specialists
| Others |
| PTIS | Portable Translation Initiation Site
| Others |
| PTIS | Posterior Talar Impingement Syndrome
| Others |
| PTIS | Prem Tinsulanonda International School
| Others |
| PTIS | President of Transitional Islamic State
| Others |
| PTIS | Program Test Input System
| Others |
| PTIS | Public Transit Infrastructure Stream
| Others |
| PTIS | Public Transport Information Service
| Others |
| PTIS | Public Transportation Infrastructure Study
| Others |