| AUTOLEV | 1988 | Specialised Languages | Modelling | United States | Mechanical systems language |
| AUTOMOD | 1984 | Specialised Languages | Modelling | United States | Auto MOdelling language |
| MODEL II | 1979 | On-Line | Modelling | United States | Evolution of Model |
| OMNI | 1976 | Specialised Languages | Modelling | United States | |
| SDSC | 1962 | Specialised Languages | Modelling | United States | The State Description Compiler |
| TOSS | 1969 | Experimental and other | Modelling | United States |