| # | Entity | Status | State |
|---|---|---|---|
| 1 | 15 698 955 670 MARK DANIEL OLDS |
ABN Cancelled | VIC 3142 |
| 2 | 16 922 720 318 MARK FREDERICK OLDS |
ABN Cancelled | QLD 4130 |
| 3 | 18 903 275 288 St Mark's Old Collegians Association Incorporated |
ABN Active | SA 5006 |
| 4 | 21 983 037 039 ST MARKS ANGLICAN COMMUNITY SCHOOL OLD SCHOLARS ASSOCIATION |
ABN Active | WA 6023 |
| 5 | 25 583 115 249 ROBERT MARK OLD |
ABN Cancelled | VIC 3043 |
| 6 | 30 083 675 659 MARK GREGORY OLDS |
ABN Cancelled | VIC 3012 |
| 7 | 37 526 894 779 ANGUS OLDING & MARK COLEMAN |
ABN Cancelled | NSW 2577 |
| 8 | 51 813 594 834 STEVEN MARK OLDS |
ABN Cancelled | SA 5037 |
| 9 | 76 411 591 746 MARK G & WENDY E OLD |
ABN Cancelled | WA 6147 |
| 10 | 83 726 342 647 MARK BARRY OLDING |
ABN Cancelled | NSW 2037 |
| 11 | 90 864 301 965 MARK JOHN OLDS |
ABN Active | QLD 4020 |
| 12 | 16 922 720 318 MARK FREDERICK OLDS MARK OLDS |
ABN Cancelled | QLD 4130 |