National Poly Industries is a leading manufacturer of Polyethylene Water Tanks and associated products designed and built to meet the harsh Australian conditions.

The company is Australian owned and operated. With over 20 years experience manufacturing water tanks and over 15 years experience making Polyethylene tanks we have the experience to support our commitment to providing you with a high quality tank at the best value.

National Poly Industries offer a comprehensive range of sizes, colours and designs to meet your needs.

Our tanks range in size from 1000L to 37,200L and are manufactured from food grade material in accordance with the Australian tank standard AS4677.

Our advanced manufacturing process uses computer-controlled rotational moulding machines to produce one-piece tanks with extra strength.

Our tanks do not have a vertical side seam and do not require a pole to support the roof.