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We are passionate about our work

Terracorp Industries was established by Daryn and Melissa Kerr in 2011 to provide innovative water storage solutions for Northern Australia. Since then we have grown to be the Northern Territory’s leading manufacturer and supplier of poly water tanks and other poly products. Our tanks range in size from 550 litres to 30,000 litres and are suitable for domestic, rural, agricultural, commercial and industrial applications.

We now produce a wide range of high quality rotationally moulded poly products, including water tanks, waste management products, firefighting units, spillage bunds, tubs, troughs, gear covers, inspection pits and more. We specialise in custom moulding and poly welding and will look at manufacturing any plastic products to your requirements.

We are a locally owned Territory company, with all our products manufactured at our premises in Yarrawonga, Northern Territory. We supply to Darwin, the Northern Territory, Kimberley and Pilbara regions of Northern Australia.

Commitment to quality

Terracorp can be trusted to provide the best quality products and the best service to our customers.

All our products are made using polyethylene with a UV24 rating. This material is 100% Australian quality food-grade, meeting strict Australian Standards for food (AS2070) and drinking water (AS4020) storage.

We comply with AS/NZ ISO 9001:2015 Quality Management Systems, ensuring that every product we make meets and exceeds the strict requirements of these quality standards. This is an internationally recognised accreditation that covers the provision of design, development and manufacture of plastic water tanks and plastic products. This certification offers our customers independent verification of our commitment to quality assurance through independent annual audits.

Our extensive quality management systems and testing – from the raw materials to the final product – ensure the highest levels of consistency of service and product performance to our valued customers.

For more information on quality see our Quality Assurance page.

our people

are our most important asset


We are a locally owned Territory company, with all our products manufactured at our premises in Yarrawonga, Northern Territory.

We are a family business, passionate about supporting and growing local communities. We are committed to buying local, employing local and being pro-active in the local community.


Our values underpin everything that we do



We welcome everyone at Terracorp



We work for the best outcome for all



We do what we say



We think outside the square



We provide solutions to save and store water



We are proud to see our growth benefiting our local community

2017 Telstra Business Awards Finalist
(Micro Business Award)

In 2017 Terracorp Industries was named as a finalist of the Telstra Business Awards – Micro Business category (Northern Territory).

We were honoured to be nominated and humbled to be considered alongside some very inspiring and deserving Northern Territory businesses.

We could not have achieved this recognition without the dedication and hard work of our talented team. Our culture is embedded with passion to provide ‘best product and best service’ to all our customers and industry partners.

Congratulations to Nth Degree Engineering Services for winning in our category and HiQA Geotechnical for being named Northern Territory Business of the Year.

Territory Lift Article

‘I get great satisfaction when people compliment us on either the quality of our products or the service they have received. When we get repeat customers or new clients who have been referred by an existing customer that indicates to me that we are doing our job right.

– Daryn Kerr, Managing Director, Terracorp
Territory Life article, Nov/Dec 2014 Edition (pp 54-55)

A vision to provide innovative water saving solutions for the greater Northern Australia

Water is a human necessity. We need it to survive.

Water scarcity is a social and environmental issue Australia wide. The Northern part of Australia has over seven months of dry season with only three to four months of the tropical wet season. As the population increases in the Darwin region, water will become a scarcer commodity.

We are addressing this issue by manufacturing water tanks suitable for domestic, industrial and agricultural operations. We also use our social media platforms to educate our market about the water issues we increasingly face.

Got questions? Talk to us about your needs.

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