engineered poly products

Engineered Poly Products

High-Quality Agriculture Products You Can Trust


In the harsh climate of Australia, it’s vital that businesses in the agriculture sector have secure and durable liquid storage systems in place.

Whether it’s collecting and storing rainwater, ensuring livestock have access to food and water, spraying crops with fertiliser, or being prepared in case of fire, heavy demands are placed on our products.

At COERCO, all our products are designed and manufactured under strict control to ensure they are suitable for drinking quality and fully UV stabilised in all colours to survive the toughest of conditions. With a full warranty against faulty workmanship, you can rest assured that COERCO agriculture products won’t let you down.


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Would you like to improve your farm’s water planning, efficiency and productivity? Are you ready to invest in products that will last for decades and revolutionise your everyday operations?

Get in touch today for a no-obligation chat and free quotation!

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The Highest Rated Poly Tank Manufacturer... By Customer Reviews!

" Great team with efficient delivery that places tanks in the spot you want. Strong tanks which will last in the environment we throw at it. Won't buy another brand as they just don't last. Have bought numerous tanks from Coerco now and making me happy as so will be buying more in the future. First to have a tank over 22,500 litres which you need to keep water up to the big spray rigs out there now. Look forward to my new Flexi n tank, a first for me from you guys. I am sure it won't disappoint. Thanks! "

Murray McDonald, Kellerberrin, WA

" Had a 50kl tank delivered last week. Some issues with getting road train into my block. Michael the driver was excellent in making sure i got what i needed and was a satisfied customer. "

Joe Kelly, Perth, WA

" We have been very happy with the polyethylene septic tanks provided by Coerco, and we now use these as standard on all our new homes. Previously we used concrete tanks which were much heavier and needed machinery to lift them. We generally needed two concrete tanks compared to the one poly tank with a baffle which we now use as standard. This means we can install them faster, with less work, and less digging. We find the sales staff at Coerco to be very helpful, knowledgeable, quick to act, and professional in every respect. I would certainly recommend Coerco as a company. "

Andrew Sharpe - Stallion Homes, Northam, WA

" Purchasing a water tank for the Kendenup fire brigade, I received excellent service from all members of the Coerco group with whom I liaised. They have a terrific receptionist in Carly who is exceptionally courteous and welcoming, sales staff member Brayden was very helpful and prompt in all communications and their carrier was helpful in the delivery and locating the tank correctly on site. A terrific company who I would highly recommend. Thanks to all concerned. "

Brian Appleby, Kendenup, WA

" Great service, great value and prompt delivery of my new Coerco Liquid Fertiliser Tank from Landmark. Cheers Coerco "

Damian McEllister , Narrogin, WA

" Great experience, from the point of order to point of delivery. Great communication from the office staff and the truck driver on delivery dates and times and somewhat surprised to hear from them to make sure we were happy with the product, delivery and placement. Very happy with the product. Will definitely use again! "

Christine Schilling , Beverley, WA

" I had two 32,000 litre tanks ordered and delivered and I'm very happy with them and the delivery. "

Rick Bee , Narrogin, WA

" As an agent for Coerco they are so easy to deal with making it even easier for the customers. Nothing is an issue for them. "

Craig Bassett - Elders Ltd, Geraldton, WA

" Fantastic Experience. The service was 10 out of 10, and the process was seamless from quote through to delivery. Was even more impressed after getting an after sales follow up call to make sure I was happy. "

Darren Tindal , Albany, WA

" Coerco have always been our go-to supplier for poly tanks. Good quality tanks. We've requested to customise the tank fittings and were executed well. Great customer service, always prompt in responding to queries and requests. "

Jerica Marise Razon , Malaga, WA

" Great service for my project. Delivery drivers very professional and product first class. "

Adam Van Nellestyn , Busselton, WA

" Rain water tanks for our house, best quality,exact colour, prompt delivery. Carrier very helpful on delivery. Just up the road for great locally made products... "

Phyllis Brosnan , Toodyay, WA

" Really happy with the service & communication we received from Coerco throughout the whole purchase and delivery and not forgetting the great tanks as well. Alex their delivery driver is a legend as our tanks placement location was a very tricky one and nothing was a problem for him and he stayed until the job was fully completed. Would recommend these guys 100% "

Cy Bettjeman , Brunswick Junction, WA

" We have purchased Coerco Products over the last 15 years from troughs to tanks and are completely satisfied with all of the products. The service is good and the truck driver is very helpful when delivering the tanks. This company is employing people in a small rural town which is another reason to purchase these products. "

Phillip Tomlinson, Wanerie, WA

" Product is excellent, price was right, and the fella who dropped the tanks off was a good bloke, all in all a can do no fuss company. You'll have no dramas here 👌 "

Louie Hughes, Munglinup, WA