| ABC | 1957 | Business Data Processing | Information Retrieval | United States | Data manipulation language from Remington St Paul |
| ABL | 1960 | Specialised Languages | Information Retrieval | Italy | Language manipulation of files |
| ADMINS/11 | 1970 | Business Data Processing | Information Retrieval | United States | ADMINS for the PDP/11 |
| ELHILL | 1972 | Information Retrieval | United States | Text retrieval language | |
| STATUS | 0 | Business Data Processing | Information Retrieval | United Kingdom | Query language |