| APAR | 1958 | Excluded from Sammet | External systems control | United States | System for scientific control |
| AUTRAN | 1968 | External systems control | United States | ||
| Cramer and Strauss hybrid oriented language | 1966 | External systems control | United States | ||
| DAPAL | 1963 | External systems control | United States | Daystrom control language | |
| PROTOL | 1970 | External systems control | United Kingdom | Process control language | |
| PROTRAN | 1968 | External systems control | United Kingdom | Process control language | |
| QUIN | 1965 | Specialised Languages | External systems control | United States | Interactive system control language |
| Scanner | 1963 | Specialised Languages | External systems control | United States | Knowlton |
| TREC | 1964 | Specialised Languages | External systems control | United Kingdom | Interactive control system for reactors |