About Us

Sema is a New Zealand Company who specialises in the design and manufacture of variable speed pump controllers for the Dairy Industry.

We are proud to be locally owned and operated, with our products being manufactured in the Mighty Waikato.  The Waikato is the heart of New Zealand’s dairy as well as being the home for many agricultural businesses.

Our purpose built premises in the Waikato, where our Sema products are manufactured

The Company was established in 2013, by Maurice Coates, an Electrical Engineer who has extensive experience in the Dairy Sector as well as Industrial Automation. Sema was founded on the principles of providing quality durable equipment at a competitive price.

Initially, we only produced a Milk Pump Controller but now our product range incorporates Vacuum, Water, Irrigation, and Effluent Pump Controllers. Our custom-built software is programmed into a micro-controller in the drives which ensures they are easy to set-up and install. To support our portfolio of products we also manufacture a range of accessories including Float Level Probes, Milk Sweeps and Stirrer Kits. As our operations have continued to expand, our controllers can now be found in farms all over New Zealand.

Scroll to Top