sort by Rank | Alpha
| Possible Meanings | Rank |
| Social Policy and Development Centre | *** |
| Sclerosis Parkinsonism Dementia Complex | *** |
| State Planning and Development Commission | *** |
| Special Programme for Developing Countries | *** |
| Special Political and Decolonisation Committee | *** |
| State Peace Development Council | *** |
| SHELL Petroleum Development Corporation | *** |
| South Providence Development Corporation | *** |
| Signal Processing for Digital Communications | *** |
| State Peace and Development Committee | ** |
| Sensible-Problem Drinking Classification | ** |
| Striato-pallido-dentate calcifications | ** |
| strio-pallido-dentate calcinosis | ** |
| simplified procedure of direct calorimetry | ** |
| sharad pawar dental college | ** |
| State Power Development Corporation | ** |
| State Planning and Development Committee | ** |
| Social Policy and Development Center | ** |
| Science Park Development Corporation | ** |
| State Planning Development Commission | ** |
| South Pembrokeshire District Council | ** |
| Sate Peace and Development Council | ** |
| Southside Planning District Commission | ** |
| Student Professional Development Committee | ** |
| Shell Petroleum and Development Company | ** |
| Social Policy Development Centre | ** |
| Scholarship Programme for Diaspora Children | ** |
| Social Policy Development Center | ** |
| Strategic Planning Development Committee | ** |
| Sociaal Psychiatrisch Diensten Centrum | ** |
| Scottish Pug Dog Club | ** |
| State Peace and Democracy Council | ** |
| State Property Development Company | ** |
| Shell Petroleum Dev Company | ** |
| St Petersburg Dream Center | ** |
| State and Peace Development Council | ** |
| Special Program for Developing Countries | ** |
| Strategic Plan Development Committee | ** |
| Seacoast Professional Development Center | ** |
| Service Planning and Development Committee | ** |
| Stallion Property and Development Company | ** |
| Space Physics Data Center | ** |
| Secure Primary Data Centre | ** |
| Static Plume Dilution Chamber | ** |
| Saudi Petrochemical Development Co | ** |
| Sedgwick Properties Development Corporation | ** |
| Shell Production and Development Company | ** |
| South Pittsburgh Development Corporation | ** |
| State Property Development Co | ** |
| Sadaluhung Padjadjaran De Corps | ** |
| Special Personality Development Course | ** |
| Special Purpose Development Corporation | ** |
| Sybase Product Download Center | ** |
| Shell Production Development Company | * |
| Steorn Private Developers Club | * |
| Saudi Petrochemical Development Company | * |
| Smart Patient Diary Card | * |
| Scottish Polymer Development Centre | * |
| State Personnel Development Center | * |
| State Police and Development Council | * |
| Student Professional Development Conferences | * |
| Sydney Parts Distribution Centre | * |
| State and Peace and Development Council | * |
| Sukhna Port Development Company | * |
| Space Physics Division Code | * |