Perth Metro
| Address: | Unit 9 524 Abernethy Road |
| Kewdale Western Australia 6105 | |
| Phone: | +61 8 9376 2999 |
| Fax: | +61 8 9353 1145 |
| Office Hours: | Monday to Friday 7.30 AM – 4.00PM |
| Email: | gcs@gcs.com.au |
| PO Box: | 204, Welshpool DC 6986 |
Goldfields
| Address: | 39 Great Eastern Highway |
| Kalgoorlie Western Australia 6430 | |
| Phone: | +61 8 9022 8555 |
| Fax: | +61 8 9022 8055 |
| Office Hours: | Monday to Friday 7:30 AM – 4:00 PM |
| Email: | gcs@gcs.com.au |
| PO Box: | 2272, Boulder 6132 |