- Robot Welding Systems 1Unit 2/ 13 Woodthorpe Drv, Willetton, WA
- 50 Geotechnics Pty Ltd 277 Hawford Wy, Willetton, WA
- Asto Geophysical Consulting Pty Ltd 316 Ghost Gum Rd, Willetton, WA
- DSM Consulting Engineers Pty Ltd 4Unit9/ 113 High Rd, Willetton, WA
- Hydrosolutions Pty Ltd 5Unit 14/ 14 Whyalla St, Willetton, WA
- Amia Associates 620 Ebro Way, Willetton, WA
- N F Engineering 7Unit 2 11 Woodthorpe Dr, Willetton, WA
- Absolute Monitoring Technologies (Underwater Electronics) 8U 7/ 30 Gympie Way, Willetton, WA
- Capricorn Roads 9Unit 3 153 High Rd, Willetton, WA
- R G B Electronics 10240 High Rd, Willetton, WA
- Schultz Automotive 116 Gympie Way, Willetton, WA
- Applied Resolution Technologies 122/ 24 Yampi Way, Willetton, WA
- Alan Diggin 1316 Trident Tce, Willetton, WA
- Enigin WA 146 4 Whyalla St, Willetton, WA