sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Petrotechnical Open Standards Consortium | *** |
| Political Science at Case | *** |
| PEGI Online Safety Code | *** |
| Point of Sale Centre | *** |
| Parents of Students of Color | *** |
| Pacific Online Systems Corp | *** |
| Partners Online Specialty Consultations | *** |
| Physician Owned Surgical Centers | *** |
| Public Office Selection Committee | *** |
| Petroleum Open Software Corporation | *** |
| Partitioning and Optimizing SISAL Compiler | *** |
| Part of State College | *** |
| Petrochemical Open Software Corporation | *** |
| Principles of Subject Control | ** |
| purchase of service contracting | ** |
| Public Open Space and Conservation | ** |
| Park and Open Space Commission | ** |
| Parents for the Online Safety of Children | ** |
| Perceptions of School Culture | ** |
| Petroleum Open Standards Consortium | ** |
| Pan Ocean Shipping Company | ** |
| Piecewise Orthogonal Signal Correction | ** |
| Petrotechnical Open Software Consortium | ** |
| Pledger Orthopedic Spine Center | ** |
| Pacific Operations Support Center | ** |
| Petrotechnical Open Systems Corporation | ** |
| Parents for the Online Safety for Children | * |
| Post Operational Safety Case | * |
| PACAF Operations Support Center | * |
| Piedmont Offshore Sportfishing Club | * |
| Policy and Oversight Service Center | * |
| Pre Operative Screening Clinic | * |
| Programme and Operations Support Cluster | * |
| Petrotechnical Open Standard Consortium | * |
| Petrochemical Operation Services Co | * |
| Policy and Oversight Subcommittee | * |
| Preparation for Overseas Study Course | * |
| Public Opinion Survey on the Courts | * |
| Personnel Operations Service Center | * |
| Petrotechnical Open Software Company | * |
| Petroleum Open Software Company | * |
| Petrotechnical Open Software Corner | * |
| Polaris Oulu Scifi Club | * |