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Derwent Industries is a 100% Australian owned and operated business, and prides itself on providing its customers with products, service and solutions to meet their expectations. Derwent has offices located in Bendigo, Hobart, Melbourne, Sydney, Wodonga and recently added Auckland, to help us service our customer base efficiently. Doug Evans Director, sits on the Australian and New Zealand Standards Committee for WS16 and WS 22 (As representative of the Australian Industry Group (AIG)) 


In December of 2022, the Australian Business Growth Fund (ABGF), invested in the growth of Derwent, joining Derwent as a minority shareholder, investing $15 million into the Derwent Group. For further information on this investment announcement go to: Derwent Industries- ABGF

Derwent is committed to a strong business relationship, which provides our customers with leading edge product, underpinned by our commitment to consistency, efficiency and innovation. We maintain a sales team who are located around Australia, who regularly visit our clients and discuss product performance, improvements and satisfaction. Derwent is extremely proud of our well-trained and loyal workforce who are the cornerstone of our continued success.

Derwent Industries incorporates:


  • Derwent Foundry,

  • Derwent Pipelines,

  • Derwent Clamps, 

  • Derwent Couplings,

  • Derwent Bendigo - Keech Foundry

  • Mackay Australia

Industry Segments:

  • Automotive

  • Defence

  • Flow Control

  • Industrial

  • Mining

  • Rail

Derwent Foundry - Hobart Est. 1840

The Hobart Foundry is situated in Derwent Park, Hobart, Tasmania and has both ISO 9001 accreditation and full Standards Mark across its broad range of water fittings. Derwent Foundry® Tasmania was established in 1840 and has undergone numerous changes and restructuring to allow supply of competitive castings throughout Australia and overseas to various industry segments. The Foundry in Hobart manufactures ductile iron water fittings DN 80 – 1000.

Derwent Clamps and Couplings:

Derwent Clamps™ and Derwent Couplings™ have been added into the Derwent range with a new manufacturing facility being established in Wodonga - North East Victoria. The 316 Stainless Steel Clamps and Couplings trade under the Kawandah logo and have been developed for the Australian and export markets.

The range of Australian Made products produced in Wodonga includes, 316 SS Repair Clamps, Tapped Clamps, Sewer OB Junctions, Flanged Offtakes & Variable Couplings.

Derwent’s facility in Wodonga prides itself on providing solutions for its customers and being able to provide fast turnaround for emergency repairs.

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Bendigo Foundry, Victoria.
The addition of the Bendigo site (Formerly KEECH Casting) highlights Derwent’s commitment to Australian manufacturing and its belief in the need for supply chain security as we move forward. The facility has been designing and manufacturing high integrity steel castings for over 85 years. Supplying the world’s biggest mining and industrial companies with its unique patented products, designed and developed in the Bendigo facility.

The Bendigo facility, under the KEECH brand currently produces a range of Ground Engaging Tools - (G.E.T), tillage implements, rolling stock components and custom casting products are manufactured to Australian and ISO 9001 quality standards. Our products are supported by sales offices across Australia and are staffed by experienced field engineers. The facility also has a network of distributors in Australia and around the world to support our products. Our employees are proud of their role in developing, manufacturing and marketing a diverse range of high-integrity steel castings.

Mackay Rubber:  The business will form part of the Derwent Industries Group, trading as Mackay Australia Pty Ltd – Mackay Rubber. Mackay commenced operations in 1932 as a small but efficient supplier of OEM automotive parts, since this time Mackay has grown to become Australia’s largest and most trusted designer, manufacturer, and distributor of a diverse range of engineered rubber and rubber composite products. The Mackay products service the Automotive, Defence, Transport, Rail, Marine, Mining, Construction, and Industrial markets globally.

To read more about Mackay Products:

Mission Statement

To provide our customers with the highest quality product and professional service at all times whilst maintaining wherever possible Australian and New Zealand Made in our product offering.

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