| BIL | 1978 | Specialised Languages | Microprogramming and HLAs | United States | Balm Implementation Language |
| CENTRAN | 1975 | Excluded from Sammet | Microprogramming and HLAs | United States | High level macro assembler |
| FCPU | 1970 | Microprogramming and HLAs | Sweden | ||
| IBAL | 1968 | Excluded from Sammet | Microprogramming and HLAs | United States | ILLIAC HL Assembler |
| Micro | 1971 | Microprogramming and HLAs | United States | Macro-assembler for microprogrammed processors | |
| MIL | 1970 | Multi-purpose | Microprogramming and HLAs | United States | Micro Implementation Language |
| MPGS | 1972 | Microprogramming and HLAs | Japan | high level microprogramming language | |
| MPL | 1971 | Experimental and other | Microprogramming and HLAs | United States | MicroProgramming Language |
| PEESPOL | 1971 | Experimental and other | Microprogramming and HLAs | United States | UoI microprogramming system |
| SPL | 1969 | Multi-purpose | Microprogramming and HLAs | United States | System Processing Language |