| # | Entity | Status | State |
|---|---|---|---|
| 1 | 21 537 252 059 A TONKIN & J TONKIN & M.E TONKIN |
ABN Active | NSW 2795 |
| 2 | 86 370 319 537 E.A TONKIN & J TONKIN |
ABN Active | NSW 2650 |
| 3 | 40 110 823 718 A.E HOLLOW & S.E RYAN & E.K TONKIN & J.P VARBARO |
ABN Active | SA 5159 |
| 4 | 22 993 828 102 H.E DOWSON TONKIN & A.J SCHULZE |
ABN Cancelled | QLD 4680 |
| 5 | 38 861 596 300 J.M BENNETT & K.R MACANSH & E.L TONKIN & C.A WHETHAM |
ABN Cancelled | NSW 2291 |
| 6 | 39 417 402 105 J.E KIRCHNER & R.A TONKIN |
ABN Active | NSW 2340 |