| # | Entity | Status | State |
|---|---|---|---|
| 1 | 23 024 031 424 JOHN ARCHIE MACCALLUM RBS Computers and Electronics |
ABN Cancelled | NSW 2790 |
| 2 | 27 200 718 518 JOHN HENRY ROSS BOYD RB Computing |
ABN Active | NSW 2517 |
| 3 | 27 200 718 518 JOHN HENRY ROSS BOYD RB COMPUTING |
ABN Active | NSW 2517 |
| 4 | 54 949 042 535 ROBERT BELLIS RB Computers |
ABN Cancelled | NSW 2541 |