| PARIS | Packetized Automatic Routing Integrated System 
| Others |
| PARIS | Passenger Routing and Information System
| Others |
| PARIS | Performance And Results Information System
| Others |
| PARIS | Planning, Analysis, and Reporting Information System
| Others |
| PARIS | Policy And Re Insurance System
| Others |
| PARIS | Population Are Running! I Surrender!
| Others |
| PARIS | Prediction And Reporting Interactive Software
| Others |
| PARIS | Primary Access Regional Information System
| Others |
| PARIS | Process Analysis And Risk Identification System
| Others |
| PARIS | Professional Audio Recording Integrated System
| Others |
| PARIS | Public Authorities Reporting Information System
| Others |
| PARIS | Public Autism Resource and Information Service
| Others |
| PARIS | Purchasing Accounting Reporting Information System
| Others |
| PARIS | Purchasing And Accounting Reporting Information System
| Others |