NEPEAN Building & Infrastructure

Business Profile

NEPEAN Building & Infrastructure is an integrated manufacturer of fabricated metal products and hot-dip galvanising services. Proudly supplying the architectural, civil, construction, industrial and mining markets throughout Australia with our unique hybrid supply chain model. Established in 1955 as the Graham Group in Yagoona, NSW, we have evolved by providing highly specialised solutions and tailored support. Our industrial manufacturing, galvanising facilities, and support branches service customers nationally, employing over 260 highly skilled individuals. Our Australian and international manufacturing sites are committed to quality, safety and compliance with an integrated quality management system. Facilities hold relevant accreditation for quality ISO 9001:2015, environment ISO 14001:2015 and safety ISO 45001:2018.

Products and Services

  • Access Covers
  • Aluminium Grating
  • Aluminium Handrail Systems
  • Building Lintels
  • Drainage Grates
  • Expanded Metals
  • Flat Bar
  • FRP Grating
  • FRP Handrail Systems
  • Galv Handrail Systems
  • Hot-Dip Galvanising
  • Perforated Metals
  • Stainless Steel Grating
  • Stainless Steel Handrail Systems
  • Stair Stringers
  • Steel Grating
  • Safety and Access Solutions
  • Residential Building Products


  • ISO 9001:2015 Quality System
  • ISO 14001:2015 Environmental System
  • ISO 45001:2018 Safety System
  • Master Builders Association
  • Australian Steel Institute - Sustainability Charter - Platnium
  • Galvanisers Association
  • NATA Accredited Laboratory - ISO/IEC 17025 - #12043
  • SAI Global 3rd party product approvals to AS3996-2019 (certificate SMK40898)
  • WSAA appraisal (PA-2046)
  • Weldlok currently hold the below authority approvals
  • Sydney Water
  • Icon Water
  • Hunter Water
  • City West Water (MLB)
  • SEQ (South East QLD)
  • QUU (Queensland Urban Utility)
  • Unity Water
  • TMR QLD (Transport & Main Roads)

Share this profile on:

FB Twitter LinkedIn
Premium Member
Australian Made

Contact Details

Head Office
117-153 Rookwood Rd
Yagoona NSW 2199
ABN  54125224302

Other Locations

Coffs Harbour NSW
Banyo QLD
Derrimut VIC
Belmont WA
Productivity Force provides contract and labour hire solutions for the civil and non-civil industries. We specialise in FRP works which we have being conducting on most of the large infrastructure project in NSW. Our management teams and work crews of highly skilled trades and apprentices can take on all sized projects. Productivity Force have been working with tier 1 and tier 2 companies for a number of years and understand the complexity of large infrastructure projects
View Company Profile
+61 3 8371 0100
Intrax Consulting Engineers is an end-to-end supplier that provides a broad base of engineering services including structural, civil, mechanical, electrical, hydraulic, surveying and geotechnical engineering to the building and land development industries. At Intrax we focus on understanding our clients' needs and objectives by listening and communicating properly, and then planning carefully to coordinate internally and externally to meet those objectives. Our pointed focus on these aspects of our work means that we guarantee to provide an optimised, end to end quality assured solution that mitigates risk and meets the clients' objectives. The market sectors portfolio in which Intrax currently operates are: * Community Infrastructure * Industrial * Buildings and Property (Commercial and Residential) * Healthcare * Childcare * Education and Training * Local Government * Land Development * Infrastructure Find out more at
View Company Profile
Jirindi Solutions aspires to establish and maintain a reputation as a quality provider of business services and solutions throughout the industries in which we are involved. Jirindi's objective is to deliver a high level of service, professionalism, integrity, honesty, with safety a core value and at commercially competitive pricing. Being a 51% Aboriginal owned business. Jirindi aspires to deliver Aboriginal geared services and solutions through participation and training of Aboriginal persons in addition to proactive involvement, leadership, and mentorship opportunities through our affiliate organisations.
View Company Profile