- Maxx Engineering Pty Ltd 122a Hovia Tce, South Perth, WA
- Acoustic Laboratories Australia Pty Ltd 2Unit 3/ 2 Hardy St, South Perth, WA
- Gray & Lewis 3Suite 5/ 2 Hardy St, South Perth, WA
- Gabriels Environmental Design Pty Ltd 4Unit 3/ 2 Hardy St, South Perth, WA
- Noralee Pty Ltd 548 Angelo St, South Perth, WA
- Scott Smalley Partnership 6Suite 8/ 100 Mill Point Rd, South Perth, WA
- Dames & Moore Pty Ltd 785 The Esplanade, South Perth, WA
- Arenko 826 Hardy St, South Perth, WA
- Civiltech 917 Lyall St, South Perth, WA
- Drew Rod Consulting Engineer 10Unit 7/ 1 Charles St, South Perth, WA
- Petro Min Engineers 112/ 9 Bowman St, South Perth, WA
- Amec Engineering Pty Ltd 12U2/ 31 South Perth Esp, South Perth, WA
- Metago Environmental Engineers (Aust) Pty Ltd 1315 Bowman St, South Perth, WA