About Us

Wenco Pty Ltd

In 1972 Mario Peca (the founder) established Welding and Engineering Contractors in O’Connor Western Australia, to meet the special needs of fabrication and construction companies requiring formed steelwork, by investing in specialised equipment.

In 1980 this entity incorporated into WENCO PTY LTD.

In 1985 Wenco embarked on a business plan to expand the company’s facilities, equipment and services to satisfy the ever-growing needs of the oil, gas and mining sectors.

Encouraged by and collaborating with some of WA Industry heavy i.e. Alcoa, BHP, Woodside, Harnischfeger (earth moving equipment), Wenco commissioned some of the largest rolling and pressing equipment in Australia.

In early 1993 the practical completion of this plan was achieved.

In 1995 Wenco achieved third party certification from DNV to ISO 9002:1994. As such Wenco operates a quality system with appropriate procedures and documentation to satisfy our client’s requirements.

We currently have provisional acceptance for AS14001 for OH&S & Environmental accreditation and are well on the way to implementing NATA Accreditation for Hydrostatic Testing. And now 40 years later, Wenco is a diverse, still family owned Western Australian business.

Servicing all major industries from oil & gas, industrial, marine and mining industries, as well as energy and water utilities on both onshore and offshore areas.

Wenco OSOS is the leader in the provision of Structural, Mechanical, Piping and Engineering services.

Our multi-disciplinary service includes:
  • Supply and installation of metallic pipes (carbon steel, stainless steel and alloy steel) and non-metallic pipes (GRP, GRE and HDPE)
  • Supply and installation of piping supports
  • Installation of valves, pumps and equipments connected to the piping system
  • Maintenance, reparation and painting of pipes and tanks
  • Shop and field hydro test

Our strengths are in service, maintenance and repair, utilising our over 40 years of expertise in Mechanical works/engineering, Fibreglass Pipe Installation and now Rubber supply and Installation. Our plan is to seek new opportunities mainly in South East Asia as well as globally, by offering our expertise.

The one key element of Mario’s stewardship has been to identify and seek new fields and opportunities

Our multi-disciplinary approach helps to reduce operational costs, while enhancing efficiency, productivity and safety.

Whether you are looking for an individual service or the complete, integrate package, overseen by a single project team with all the organisational, time and cost-saving benefits that brings,

An addition to our vast service base is the supply of rubber products and associated services.


We deliver:

  • Design and engineering
  • Project Management
  • Procurement and construction
  • Commissioning
  • Inspection and survey
  • Ongoing maintenance

Services Offered in a Nutshell


We cover the full scope of piping needs and can manage the entire process from supply to fabrication, installation and maintenance.

Wenco possesses the knowledge and expertise to cover all aspects of the project life from the design through the commissioning and final inspection.

Wenco is the Sales Representative and Distributor of NOV GRE piping products in Australia.

Our Vision

Wenco’s vision is to become the premier EPCM provider in Australia for Onshore Offshore, Mining and Public Infrastructure projects.

We provide our clients with the highest quality personnel and project management services to deliver zero harm projects on time and on budget.

Our approach to service and quality is uncompromising, with the highest consideration to safety and personal development

Company History

From Year 1980 - 2015

Incorporated ( 1980 )

Incorporated ( 1980 )

Wenco commended design & manufacture services of rolled & pressed steelwork for WA based construction companies.

Expansion Investment<br> ( 1985 - 1993 )

Expansion Investment
( 1985 - 1993 )

Major investment in new infrastructure including purpose built facility in O’Connor WA. Core capability growth into Oil, Gas and Mining.

International Certification<br><em> ( 1995 - 2004 )</em>

International Certification
( 1995 - 2004 )

Certified to International Quality Standards ISO 9002:1994 ISO 9001:2000.

Incorporated ( 1980 )

Incorporated ( 1980 )

Certified to International Quality Standards ISO 9002:1994 ISO 9001:2000.


1980

In 1972 Mario Peca (the founder and Managing Director) purchased factory units and accompanying land in O’Connor Western Australia and duly started to develop them into one of Australia’s pre-eminent heavy engineering steel fabricators with an eye for uniqueness. Mario incorporated Wenco Pty Ltd in 1980 and thus established a business to meet the special needs of fabrication and construction companies who required formed steel work, but could not afford or justify the investment in heavy equipment required to carry out this work.

1985

In 1985 Wenco embarked on a business plan to expand the company’s facilities, equipment and services to directly satisfy the ever-growing needs of the oil, gas and mining sectors. Encouraged and collaborating with some of WA Industry heavy weights Alcoa, Woodside, Harnischfeger (earth moving equipment), Wenco commissioned some of the largest rolling and pressing equipment in Australia (which still holds true). In 1993 the practical completion of this plan was achieved.

1995

In 1995 Wenco gained international recognition by achieving Third Party Certification from DNV to ISO 9002:1994. As such Wenco operates a quality system with appropriate procedures and documentation to satisfy our client’s requirements. We currently have provisional acceptance for AS14001 for OH&S & Environmental accreditation and are well on the way to implementing NATA Accreditation for Hydrostatic Testing.

2015

As of today 2015 (40 years later) Wenco is a diverse, family owned Western Australian business. Servicing all major industries from oil & gas, industrial, marine and mining industries, as well as energy and water utilities on both onshore and offshore areas. Our strengths are in service, maintenance and repair – utilising our 35 years expertise in Mechanical works/engineering and Fibreglass Pipe Installation.


Where We Are Heading

Our endless pursuit for excellence continues as we aim at becoming a one stop service provider for all areas of industry. We are rapidly expanding our capabilities to help us achieve this vision.

We have started taking up SMP (Structural Mechanical Packages) and LSTK (Lump Sum Turnkey) projects where we provide complete service from design through to handover.

Our Project Management and Resource team is growing and providing the highest quality services to our customers.

Our large fabrication base in O’Connor is the perfect backdrop to ensure costs are controlled by prefabricating preassembly under cover, prior to sending components to site.

Wenco services the oil & gas, marine and mining industries as well as water utilities on both onshore and offshore.

We specialise in service, maintenance and repair utilising our 40 years expertise in Mechanical, Heavy Engineering and Fibreglass Pipe Installation.

What Our Clients Say...

    monadelphousblue-scopeyara
  • We would be very pleased to partner with Wenco again in the future and hence would enthusiastically recommend Wenco for any site GRE piping installation works to prospective clients

    Michael Woods, Project Manager
    Infrastructure – Solid Waste Management
    (www.monadelphous.com.au)
  • Wenco Pty Ltd is one of Australia’s most widely experienced and best equipped heavy engineering companies with a ‘can do’ attitude to match.

  • Here I would like to highlight the way you and your team supported us right from mobilization to execution of job in shortest possible time with high quality of SAFETY and RELIABILITY standards during plant outage is highly appreciated by one and all.

International Certificates

Wenco PTY LTD
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