There have also been implementations for the Digital VAX, Sperry Univac BC/7, Univac system 80, Siemens BS2000, Burroughs B700, B1700, Hewlett Packard HP3000, ICL 2900 series, Honeywell 6220 and 2020, Four-Phase IV/70 and IV/90 series, Singer System 10 and WANG VS, as well as miscellaneous compilers & runtime environments for Unix-based systems (INFINITE 36 (formerly UNIBOL36)) and PCs (Baby/400, Lattice-RPG).
Кроме мэйнфреймов и машин AS/400 от IBM, RPG был реализован на платформах Digital VAX, Sperry Univac BC/7, Univac system 80, Siemens BS2000, Burroughs B1700, Hewlett Packard HP3000, ICL 2900 series, Honeywell 6220, WANG VS, IBM PC (DOS).