| PTSC | P Toluene Sulfonyl Chloride 
| Others |
| PTSC | Packet Technologies and Systems Committee
| Others |
| PTSC | Paper Toilet Seat Cover
| Others |
| PTSC | Parent Teacher and Student Commitee
| Others |
| PTSC | Parent Teacher and Student Committee
| Others |
| PTSC | Parent Teacher Student Conference
| Others |
| PTSC | Parents Teachers Students and Communities
| Others |
| PTSC | Parents Teachers Students Communities
| Others |
| PTSC | Parking Traffic Safety Committee
| Others |
| PTSC | Participant Technology Systems Center
| Others |
| PTSC | Partnership Towards Safer Communities
| Others |
| PTSC | Patty Turner Senior Center
| Others |
| PTSC | Pay Trend Survey Committee
| Others |
| PTSC | Pentagon Telecommunications Service Center
| Others |
| PTSC | Performance Tire Service Company
| Others |
| PTSC | Peters Township Swim Club
| Others |
| PTSC | Petro vietnam Technical Services Corporation
| Others |
| PTSC | Petroleum Technical Services Corporation
| Others |
| PTSC | PetroVietnam Technical Services Corporation
| Others |
| PTSC | Philippine Transworld Shipping Corporation
| Others |
| PTSC | Physical Therapy Specialists Clinic
| Others |
| PTSC | Porter Township School Corporation
| Others |
| PTSC | Portland Timbers Supporters Club
| Others |
| PTSC | Post Trading Standing Committee
| Others |
| PTSC | Post Transition State Complex
| Others |
| PTSC | Power Telephone Supply Company
| Others |
| PTSC | Pricing Tables Sliders and Comparison
| Others |
| PTSC | Prime Time Single Catholics
| Others |
| PTSC | Professional Training Standards Committee
| Others |
| PTSC | Public Transport Service Corporation
| Others |
| PTSC | Public Transportation Service Corporation
| Others |
| PTSC | Public Transportation Services Corporation
| Others |