OneSteel headquarters details
- City
- Sydney
- State / region
- State of New South Wales
- ZIP / postal code
- 2000
- Country
- Australia
- Phone
- +61 2 9625 8731
- Founded
- 2000
- Website
- infrabuild.com
- linkedin.com/company/onesteel
Location map
Open in Google MapsAll OneSteel office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Sydney HQ | State of New South Wales | Australia | Headquarters |
Showing the headquarters of 20 recorded locations. See every location in GraphIQ →
About OneSteel
OneSteel is headquartered in Sydney, State of New South Wales, Australia. Founded in 2000, the company has 20 recorded locations across 7+ countries and employs approximately 628 people worldwide.
Where is OneSteel's main office?
OneSteel's main headquarters office is located at Sydney, State of New South Wales 2000, Australia. This is the company's primary corporate address.
OneSteel regional offices
Beyond its headquarters in Sydney, OneSteel has recorded locations in Australia, Canada, New Zealand, South Korea, Thailand, United Kingdom and United States.
OneSteel contact information
The main switchboard for OneSteel headquarters can be reached at +61 2 9625 8731. Official website: infrabuild.com.
What does OneSteel do?
OneSteel is a mining company currently based in Sydney, New South Wales, Australia. It has been founded in 2000.
Frequently asked questions
Where is OneSteel headquarters?
OneSteel's headquarters is located at Sydney, State of New South Wales 2000, Australia.
How many offices does OneSteel have?
GraphIQ records 20 locations for OneSteel across 7+ countries, as of October 2026.
When was OneSteel founded?
OneSteel was founded in 2000 and employs approximately 628 people.
What is OneSteel's phone number?
The main phone number for OneSteel headquarters is +61 2 9625 8731.
How many employees does OneSteel have?
OneSteel has approximately 628 employees (GraphIQ estimate, 2026).