| Power Turbine Speed | Academic & Science |
| Probability Theory of Safety | Academic & Science |
| The Professional Technicians Society | Academic & Science |
| Parents Teachers and Students | Academic & Science |
| Penetration Testing Student | Academic & Science |
| Pittsburg (ks) | Airport Code |
| Part Time Sweeper | Banking |
| Patsystems | Business |
| Points International LTD. | Business |
| Platsearch NL | Business |
| Peredovve Tekhnologii Sukhogo | Business |
| Promoting The Stereotype | Business |
| Pacific Telemanagement Services | Business Management |
| Paratroopers Training School | Community |
| Public Television Service | Community |
| Palmer Trinity School | Community |
| Pali Text Society | Community |
| Parent Technology Support | Community |
| Parents Teachers Students | Community |
| Porsche Travel System | Community |
| Portage Township Schools | Community |
| Pack The Sanctuary | Community |
| Premature Typing Syndrome | Community |
| Pass The Soup | Community |
| Parallel Technical Sessions | Community |
| Pay Terminals and System | Computer and Networking |
| Payphone Terminals and System | Computer and Networking |
| Pay Terminal System | Computer and Networking |
| Pivot Table Service | Computing |
| Paper Technology Specialists | Computing |
| Precision Transforms | Computing |
| Press To Select | Computing |
| Parallel Transaction Server | Computing |
| Page Table Shadowing | Computing |
| Per Trunk Signaling | Computing |
| Push To Share | Computing |
| Platform Trust Service | Computing |
| Profile Test Specification | Computing |
| Protocol Type Selection | Computing |
| Pay To Surf | Computing |
| Priority Telecommunications Services | Computing |
| Pivot Table Services | Computing |
| Praise The Sun | Computing |
| Product Technology Snapshot | Computing |
| Potential Trouble Source | Electronics |
| Princeton Theological Seminary | General |
| Production Tracking System | General |
| Point To Self | General |
| Peak Time Savings | General |
| Payments Transaction System | General |
| Pakistan Testing Service | General |
| Puzzle Tombe Sorche | General |
| Perkins Technical Services | General |
| Purchaser Technical Specification | General |
| Production Tool Supply | General |
| Pontiac Trans Sport | General |
| Pedal Travel Sensor | General |
| Pritsche | General |
| Procurement Technical Specifications | General |
| Purple Tibbied Skye | General |
| Phenomenally Tall Socks | General |
| Professional Training Simulation | General |
| Package Tracking System | General |
| Pittsburgh Theological Seminary | General |
| PIN Transaction Security | General |
| Peace Theological Seminary | General |
| Public Test Server | General |
| Pre Time Skip | General |
| Private Test Server | General |
| Proprietary Trading System | General |
| Plavayushchij Transportyer Sryednyj | General |
| Performance Test Specification | General |
| Power Transmission Specialties | General |
| Parker Tracking System | General |
| Profile Tuning Suite | General |
| Public Test Servers | General |
| Put To Sleep | General |
| Pi Tau Sigma | General |
| Pilot Training System | General |
| Pathways To Success | General |
| Packet Transport System | General |
| Pipeline Testing Station | General |
| Part Time Scholarship | General |
| Phoenix Tech Solutions | General |
| Planet The Stickman | General |
| PIN Transaction Standards | General |
| Personal Transport Ship | General |
| Paris Tuning Show | General |
| Parktronic System | General |
| Personal Telephone Integration System | General |
| Peugeot Talbot Sport | General |
| Personal Transportation System | General |
| Part Throttle Shifting | General |
| People Transport | General |
| Public Transport Management System | General |
| Parking and Transit Services | General |
| Pre Teen Sensastion | General |
| Parking and Transportation Services | General |
| Perfect Time Span | General |
| Points To Spend | General |
| Pull Twist And Snip | General |
| The Pentecostal Theological Seminary | General |
| Partial Template Specialization | General |
| Passenger Transport Solutions | General |
| Pre Teen Sensation | General |
| Perform To Serve | General |
| Police Tutorial Service | Governmental |
| Post-Traumatic Stress | Governmental |
| Product Testing Section | Governmental |
| Parking Transportation Services | Governmental |
| Practical Test Standards | Governmental |
| Post Tax Syndrome | Governmental |
| Prisoner Transportation Services | Governmental |
| Pre Trial Services | Governmental |
| Political Terror Scale | Governmental |
| PATANSAONGI | Indian Railway Station |
| Psycho Teenage Shopper | Jobs |
| Palm Tree Surfer | Jobs |
| Personal Trainer Specialist | Jobs |
| Paid To Surf | Jobs |
| Paid To Signup | Jobs |
| Polypeptide Therapeutic Solutions | Medical |
| Patient transport services | Medical |
| Post thrombotic syndrome | Medical |
| patients | Medical |
| Pediatric Trauma Score | Medical |
| Peptide Transport System | Medical |
| Post-Traumatic Syringomyelia | Medical |
| Prior To Surgery | Medical |
| Positive Threshold Shift | Medical |
| Pediatric Therapeutic Services | Medical |
| Pediatric Trauma Society | Medical |
| Pneumatic Tube System | Medical |
| Psychological Therapy Service | Medical |
| Patient Transport Service | Medical |
| Peroxisomal Targeting Signal | Military and Defence |
| Permission To Speak | Military and Defence |
| Promote The Service | Military and Defence |
| Problem Tracking System | Military and Defence |
| Projectile Tracking System | Military and Defence |
| Post Telephone Switch | Military and Defence |
| Pseudo Terminal Slave | Networking |
| Playtest Server | Networking |
| Presentation Time Stamp | Networking |
| Pseudo Tty Slaves | Networking |
| ATKINSON Municipal Airport, Pittsburg, Kansas | Regional |
| Phuture Tech Software | Softwares |
| Payload Test Set | Space Science |
| Payload Transportation System | Space Science |
| Perfect Touch Soccer | Sports |
| Personal Track Safety Certificate | Sports |
| Points | Sports |
| Personal Track Safety | Sports |
| Private Trading System | Stock Exchange |
| Post Trading System | Stock Exchange |
