| Boral Limited | 13 008 421 761 |
| Boral Cement | 62 008 528 523 |
| Boral Construction Materials Ltd | 70 000 614 826 |
| Boral Resources (WA) Ltd | 57 008 686 904 |
| Boral Resources (QLD) Pty Ltd | 46 009 671 809 |
| Allen's Aphalt Pty Ltd | 49 103 076 508 |
| Q-Crete Premix Pty Ltd | 63 160 844 173 |
| Boral Resources (VIC) Pty Ltd | 87 004 620 731 |
| Boral Resources (NSW) Pty Ltd | 51 000 756 507 |
| Dunmore Sand and Soil Pty Ltd | 62 003 497 229 |
| Boral Recycling Pty Ltd | 42 000 061 843 |
| De Martin & Gasparini Pty Ltd | 57 074 598 299 |
| De Martin & Gasparini Queensland Pty Ltd | 11 000 512 005 |
| De Martin & Gasparini Pumping Pty Ltd | 63 074 598 262 |
| De Martin & Gasparini Contractors Pty Ltd | 57 074 598 299 |
| Boral Construction Materials Group Ltd | 15 000 028 080 |
| Concrite Pty Ltd | 86 000 795 166 |
| Boral Resources (SA) Ltd | 72 007 516 494 |
| Bitumax Pty Ltd | 72 007 591 835 |
| Road Surfaces Group Pty Ltd | 92 009 907 779 |
| Alsafe Premix Concrete Pty Ltd | 36 003 290 999 |
| Boral Transport Ltd | 31 000 111 571 |
| Bitupave Ltd | 53 000 102 376 |
| Boral Resources (Country) Pty Ltd | 51 000 187 002 |
| Found Concrete Pty Limited | 93 620 531 820 |
| Boral Share Business Services Pty Ltd | 31 000 373 660 |