Masport Foundries Ltd is New Zealand's largest metal casting production plant .
 
The company was founded in 1911 and, since that time, has continued to stay at the forefront of the industry.

Employing around 100 people at its Auckland plant, the foundry manufactures high integrity iron castings. Each of these castings requires close monitoring to ensure dimensional accuracy and adherence to the metal's tight metallurgical properties. The company supplies a wide range of castings into the agricultural, automotive, structural and mineral processing industries, as well as consumer durables (including the Masport branded solid fuel heaters). Some 40% of the products manufactured are exported to customers in Australia, UK, Dubai and USA.

The foundry uses a high speed DISAFORMA green sand moulding system, high efficiency electric furnaces and both shell and cold-box core making. In-house tooling manufacture and heat-treatment furnaces , as well as the latest spectrographic alloy analyser, round out the foundry equipment. Recent new technology includes 'Magmasoft' solidification simulation software.

The company also has machining capability and specialises in finish -machined brake drums and rotors for caravans , boat trailers as well as semi trailers and trucks .

With close to a century of metal casting experience, Masport Foundries has always focused on using proven , flexible , high technology based plant and processes  to maintain the highest quality standards,
As well as environmental standards , as evidenced by its Telarc accredited ISO 9001 and  ISO 14001 management systems.