| ADL | ⊕ United States | software specification language | |||
| Algae | ⊕ United States | W3C net query language | |||
| ANSERO III | ⊕ United States | ||||
| AP2 | ⊕ United States | Symbolic assembler for Rice R1 computer | |||
| APL | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | Relational calculus language for GM | ||
| Aspirin | ⊕ United States | ||||
| BOSS | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | Bridgeport 1054 NC language | |
| BSL | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | PL/S variant | ||
| Cola | ⊕ United States | ||||
| CYBIL | ⊕ United States | ||||
| DAISY | ↓ ↑ ⊕ Business Data Processing | ⊕ Ad hoc query languages | ⊕ United States | query language for decision support | |
| dBXL | ⊕ United States | dBase super clone | |||
| Delta | ↓ ↑ ⊕ String and List Processing | ⊕ United States | String-processing language for Tandems | ||
| DIALECT | ↓ ↑ ⊕ Experimental and other | ⊕ United States | |||
| Director | ⊕ United States | Animated programming lagnuage for children | |||
| DL | ⊕ United States | Description Language | |||
| DLG | ⊕ United States | ||||
| DSM | ⊕ United States | DIGITAL Standard MUMPS | |||
| EDL | ⊕ United States | ||||
| EGL | ⊕ United States | ||||
| EULOR | ⊕ United States | ||||
| FOOL | ↓ ↑ ⊕ String and List Processing | ⊕ Strict evaluation LISPs | ⊕ United States | Small Scheme | |
| FORCE | ↓ ↑ ⊕ Business Data Processing | ⊕ Labelled Matrix | ⊕ United States | dBASE dialect for MS-DOS | |
| FORD GRAPHICS SYSTEM | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | ||
| GCL | ⊕ United States | Gambit Command Language | |||
| HYLA | ⊕ United States | ||||
| IBAL | ↓ ↑ ⊕ Specialised Languages | ⊕ Bayesian | ⊕ United States | ||
| IMP | ⊕ United States | Interpretive Menu Processor | |||
| ISAC | ⊕ United States | ||||
| ISP | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | System for graphical communication with satellites | ||
| LIMAP | ⊕ United States | ||||
| MACRO-10 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ United States | |||
| MCL | ⊕ Task-oriented | ⊕ United States | Robotics language | ||
| MDBS-QRS | ↓ ↑ ⊕ Business Data Processing | ⊕ Network DB | ⊕ United States | ||
| MINOPT | ⊕ United States | ||||
| MIT Logo Blocks | ⊕ United States | ||||
| ML | ⊕ United States | Manipulator Language | |||
| OLQ2 | ↓ ↑ ⊕ Business Data Processing | ⊕ Hierarchical DB | ⊕ United States | IDMS query language | |
| PC | ⊕ United States | Parallel C | |||
| PINBOL | ↓ ↑ ⊕ Experimental and other | ⊕ Decision tables | ⊕ United States | Decision table language for controlling pinball machines | |
| PMSL | ⊕ United States | ||||
| PRIME POWER | ⊕ United States | ||||
| QLP | ↓ ↑ ⊕ Business Data Processing | ⊕ Hierarchical DB | ⊕ United States | Query language for Univac | |
| rc | ⊕ United States | Microsoft resource language | |||
| SDL | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Structure Definition Language | ||
| Sig | ⊕ United States | ||||
| SPARCL | ⊕ United States | ||||
| SPL | ↓ ↑ ⊕ Multi-purpose | ⊕ Other PL/Is | ⊕ United States | Student Programming Language | |
| TCL | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ United States | Tree Command Language | ||
| TSP | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | |||
| TUTOR | ⊕ United States | Interactive FORMAC | |||
| UAL | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | User adaptive language | ||
| Wright | ↓ ↑ ⊕ Specialised Languages | ⊕ External systems testing | ⊕ United States |