sort by Rank | Alpha
| Possible Meanings | Rank |
| Assistant Dean for Public Services | **** |
| Asiago Database on Photometric Systems | **** |
| Alpha Delta Phi Society | **** |
| Aiken Department of Public Safety | *** |
| Augusta Department of Public Safety | *** |
| American Dental Professional Services | *** |
| Automatic Disc Programme Selection | *** |
| Associate Degree in Paralegal Studies | *** |
| Alexander Dickson Primary School | *** |
| Albion Department of Public Safety | *** |
| Activated deficient plasma substrate | ** |
| Alabama Department of Public Safety | ** |
| Albion Dept of Public Safety | ** |
| Arizona Department of Public Safety | ** |
| Achievements of Deaf Pupils in Scotland | ** |
| alkaline-de-esterified pectins | ** |
| Automatic Distributed Partitioning System | ** |
| Alaska Department of Public Safety | ** |
| Automated Discrepancy Processing System | ** |
| Automatic Data Processing Systems | ** |
| Automatic Display and Plotting System | ** |
| Auxiliary Data Processing System | ** |
| Automated Data Processing Systems | ** |
| Application Development Project Support | * |
| Auto Dynamic Positioning Services | * |
| Allsystems Document Preservation Services | * |
| Automated Data Processing Security | * |
| Advanced Digital video broadcast Production System | * |
| Automated Development Plan System | * |
| Automated Data Processing Section | * |