| # | Entity | Status | State |
|---|---|---|---|
| 1 | 53 937 717 116 FROST CIVIL PTY LTD & MCMAHON CIVIL PTY LTD |
ABN Active | NSW 2627 |
| 2 | 11 639 091 473 MCMAHON CIVIL PTY LTD |
ABN Active | NSW 2629 |
| 3 | 18 671 476 930 MCMAHON SHAMROCK CIVIL PTY LTD |
ABN Active | NSW 2217 |
| 4 | 31 882 257 127 MCMAHON SERVICES PTY LTD AND YORK CIVIL PTY LTD |
ABN Cancelled | SA 5094 |
| 5 | 37 639 137 376 MCMAHON CIVIL & RAIL PTY LTD |
ABN Cancelled | WA 6064 |
| 6 | 56 655 474 730 MCMAHON'S CIVIL AND CONTRACTING PTY LTD |
ABN Active | WA 6057 |
| 7 | 24 069 371 535 M CIVIL CONSTRUCTIONS PTY LIMITED MCMAHON MARINE AND CIVIL CONSTRUCTIONSPTY LTD |
ABN Active | QLD 4165 |
| 8 | 49 653 692 077 PATRICIA MARY MCMAHON Patricia McMahon Professional Civil Celebrant |
ABN Active | QLD 4170 |
| 9 | 24 069 371 535 M CIVIL CONSTRUCTIONS PTY LIMITED MCMAHON MARINE AND CIVIL CONSTRUCTIONSPTY LTD |
ABN Active | QLD 4165 |