- Global Engineering & Construction Pty Ltd 111 Kingaroy St, Kingaroy, QLD
- Kingaroy Engineering Works Pty Ltd 22 Jarrah St, Kingaroy, QLD
- Stolzenberg H Engineering Works Pty Ltd 325 Haly St, Kingaroy, QLD
- Sumac Engineering 4Cooyar Rd, Kingaroy, QLD
- John D Vidler 5PO Box 334 Kingaroy, Kingaroy, QLD