| PTCS | Pallavan Transport Consultancy Services, Limited 
| Others |
| PTCS | Part Time Claim System
| Others |
| PTCS | Passive Thermal Control Section
| Others |
| PTCS | Passive Thermal Control System
| Others |
| PTCS | Payload Module Thermal Control Subsystem
| Others |
| PTCS | Payload Test and Checkout System
| Others |
| PTCS | Percutaneous Transluminal Coronary Stenting
| Others |
| PTCS | Performance and Tuning Car Show
| Others |
| PTCS | Performance Tested Comfort System
| Others |
| PTCS | Performance Tested Comfort Systems
| Others |
| PTCS | Performance Traction Control System
| Others |
| PTCS | Personal Trading Compliance System
| Others |
| PTCS | Photographic Intelligenceman Senior Chief Petty Officer
| Others |
| PTCS | Pilot Translational and Clinical Studies
| Others |
| PTCS | Pilot Translational Clinical Studies
| Others |
| PTCS | Planning, Training, and Checkout System
| Others |
| PTCS | Post Traumatic Church Syndrome
| Others |
| PTCS | Precision Telescope Control System
| Others |
| PTCS | Primary Test of Cognitive Skills
| Others |
| PTCS | Professional Tax Contracting Services
| Others |
| PTCS | Professional Technical Computational Skills
| Others |
| PTCS | Propellant Tanking Computer System
| Others |
| PTCS | Proton Therapy Center Switzerland
| Others |