| PTRC | Parent Training and Resource Center 
| Others |
| PTRC | Patent and Trademark Resource Center
| Others |
| PTRC | Patent and Trademark Resource Centers
| Others |
| PTRC | Patent Trademark Resource Center
| Others |
| PTRC | Petroleum Technology Research Center
| Others |
| PTRC | Petroleum Technology Research Centre
| Others |
| PTRC | Physical Therapy and Rehab Concepts
| Others |
| PTRC | Piedmont Triad Regional Council
| Others |
| PTRC | Planning and Transport Research and Computation
| Others |
| PTRC | Plant Transformation Research Center
| Others |
| PTRC | Portland Terminal Railroad Company (Oregon)
| Others |
| PTRC | Professional Tax Registration Certificate
| Others |
| PTRC | Property Tax Reduction Consultants
| Others |
| PTRC | Psychiatric Treatment and Recovery Center
| Others |
| PTRC | Public Transport Regulatory Commission
| Others |
| PTRC | Putney Town Rowing Club
| Others |