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NEPEAN™ Building & Infrastructure is an integrated manufacturer of fabricated metal products and hot-dip galvanising services, supplying the architectural, civil, construction, industrial and mining markets throughout Australia.

Established in 1955 as the Graham Group in Yagoona, NSW, NEPEAN Building & Infrastructure has evolved by providing specialised solutions and support through industrial manufacturing, galvanising facilities, and support branches to service customers nationally, employing over 260 people.

Our Australian and international manufacturing sites are committed to quality, safety and compliance with an integrated quality management system. Facilities hold relevant accreditations for quality ISO 9001:2015, environment ISO 14001:2015 and safety ISO 45001:2018. The portfolio of specialised and trusted brands include:
• Weldlok – Grating, Handrail, Drainage and Architectural Solutions
• Galintel – Galvanised Steel Lintels and Specialised Building Products
• Galserv – Hot-Dip Galvanising

To learn more please visit our brand websites.

Where to buy

1800 546 835
Visit Website

Where available


* All products may not be available at all stores, countries and regions.

Seal of Approval

Contact information

NEPEAN Building & Infrastructure

117-153 Rookwood Road
YAGOONA, New South Wales 2199

Phone: 02 9707 5000 // Galintel 1800 546 835 // Weldlok 1800 935 356

Visit our website

Our partners

Proudly supporting Australian Made Campaign and the strength of the logo

The Australian Made Campaign

The Australian Made, Australian Grown logo is administered by Australian Made Campaign Limited (AMCL).

ABN: 20 086 641 527

We acknowledge the Traditional Owners of country throughout Australia and recognise their continuing connection to land, waters and culture.
We pay our respects to their Elders past, present and emerging.