| ASPL | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | ||
| C | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ CPL, BCPL and B | ⊕ United States | Unix systems programming language |
| Concurrent Pascal | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | Dialect of Pascal which supports monitors |
| GTL | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other Algol 60s | ⊕ United States | Georgia Tech Algol |
| IMP72 | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other Algol 60s | ⊕ United States | Extensible Algol |
| PL/I Checkout Compiler | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ IBM PL/Is | ⊕ United Kingdom | |
| PLUTO | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other PL/Is | ⊕ Canada | U Toronto Teching PL/I |
| SIMPL-RD | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Portable systems versino of SIMPL | |
| SIMPL-S | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Systems language derived from SIMPL-D | |
| SIMPL-X | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | GP extensible language | |
| SPL | ⊕ 1972 | ↓ ↑ ⊕ Multi-purpose | ⊕ PL-360s | ⊕ United States | HP System Programming Language |