| # | Entity | Status | State |
|---|---|---|---|
| 1 | 88 374 036 118 N.S.W. RAILWAY SIGNALLING MUSEUM INCORPORATED |
ABN Cancelled | NSW 1630 |
| 2 | 90 851 209 325 H.A ADAM & S.J SIGNALL |
ABN Cancelled | QLD 4160 |
| 3 | 96 071 045 200 S & J MOLLOY SIGNALLING PTY. LTD. |
ABN Cancelled | NSW 2000 |
| 4 | 26 132 311 708 STEVEN SKURRIE S & K Signalling Services |
ABN Cancelled | VIC 3224 |
| 5 | 44 101 040 939 ACTVEST PTY LTD U.S. SIGNALS |
ABN Active | VIC 3153 |
| 6 | 63 636 822 065 A & S TRAINING PTY LTD A & S Signalling |
ABN Active | NSW 2515 |