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Our story starts in 1912 when Scottish foundryman Peter L. Simpson designs the mix-muller. For over 110 years we have been providing absolute reliability. This is our story.

Simpson is committed to providing continuing education to its customers to maximize their investment in our products.

The Engineering Services Group at Simpson has one goal – to help you get the highest performance and efficiency from your investment in Simpson equipment.

The Simpson Test Center provides you with a low cost, risk free method to define and optimize your process while utilizing a variety of conditions and machine configurations.

Join the Simpson Performance Partnership program to start maximizing performance and avoid unexpected downtimes. Discounted rates are available.

Could an obsolete control system shut down your foundry? Yes! Safeguard your production and avoid serious downtime.

Enhance bond integration and prevent clogs with the Simpson Speedmullor® Bond Nozzle Upgrade.

For better mulling and less downtime.

Long-term solution outlasting rubber by 3 or more times.