sort by Rank | Alpha
| Possible Meanings | Rank |
| Program and Administrative Services | **** |
| Pluripotent Adult Stem Cells | **** |
| Projet Accompagnement Solidarite Colombie | **** |
| Portable Applications Standards Committee | *** |
| Port Adelaide Sailing Club | *** |
| PA Association of School | *** |
| Public Administration Select Committee | *** |
| Personal Assistance Services Council | *** |
| Preliminary Administrative Services Credential | *** |
| Professional Administrative Services Credential | *** |
| Pakistan Administrative Staff College | *** |
| Plains Area Service Committee | *** |
| Proportional Ambient Sensing Control | *** |
| Patient Accounting Service Center | *** |
| Physicians Ambulatory Surgery Center | *** |
| Petroleum Accountants Society of Canada | *** |
| Progressive Alternatives Society of Calgary | *** |
| Plantation Acres Saddle Club | *** |
| phosphoric acid swollen cellulose | ** |
| platelet antibody-secreting cells | ** |
| Patient Accounting Services Center | ** |
| Polish Academy of Sciences | ** |
| Performance Assessment Scoring Center | ** |
| Pasadena Alumni Support Center | ** |
| Phonology at Santa Cruz | ** |
| Philippines Australia Studies Centre | ** |
| Peoria Area Sports Commission | ** |
| Paranormal Awareness Society Corp | ** |
| phosphoric acid-activated acidified sodium chloride | ** |
| Pan American Sanitary Conference | ** |
| Professional Association of Specialty Contractors | ** |
| Public Accountants Society of Colorado | ** |
| Palestinian Armed Struggle Command | ** |
| Page Standards and Cross | ** |
| Pastoral Affairs Standing Committee | ** |
| Public Accounts Select Committee | ** |
| Park Athletic Soccer Club | ** |
| Programme Approval Sub Committee | ** |
| Penncrest Area Soccer Club | ** |
| Perceptional Adaptive Subband Coding | ** |
| Program on Age and Structural Change | ** |
| Project Accompagnement Solidarite Colombie | ** |
| Palestine Armed Struggle Command | ** |
| Public Advice Service Centre | ** |
| Parkland Area Soccer Club | ** |
| Public Art Selection Commission | ** |
| Pacific Association of Schools and Colleges | ** |
| Precision Adaptative Subband Coding | ** |
| Pacific Area Standards Conference | ** |
| Persons Animals Ships and Cannon | ** |
| Planning Advisory Sub Committee | ** |
| Pilot Agricultural Service Centers | ** |
| Planning Administrative Services Committee | ** |
| Plymouth Advisory Sports Council | ** |
| Prince Albert Sailing Club | ** |
| Pastoralist Affairs Standing Committee | ** |
| Performing Arts Special Collections | ** |
| Public Advice and Service Centres | ** |
| Planning Application Sub Committee | * |
| Parent Association Steering Committee | * |
| Partial Aperture Solar Calibrator | * |
| Pennsylvania Association of Senior Centers | * |
| Practical Approaches to Secure Computation | * |
| Publications Activities and Services Committee | * |
| Pacific Asia Standards Congress | * |
| pakaistan administrative staff college | * |
| Pharmaceutical Aseptic Services Committee | * |
| Pharr Action Shooters Club | * |
| Port Arthur Ski Club | * |
| Project Accompanying Safety Certification | * |
| Public Arts Selection Commission | * |
| Purpose of Art Selection for the City | * |
| Pendleton Area Saddle Club | * |
| Professional Administrative Staff Council | * |
| Palo Alto Scientific Center | * |
| Pan American Standards Committee | * |
| Particle Accelerator Society of China | * |
| Peach Arch Soccer Club | * |
| Pedestrian Activated Signal Control | * |
| Pilot Agriculture Service Centres | * |
| Polar Atmospheric Snow Chemistry | * |
| Political Action Strategy Committee | * |
| Pan American Silver Corporation | * |
| Partial Aperture Solar Calibration | * |
| Performing Arts Summer Camp | * |
| Publicly Available Software Collection | * |