- precision tool making & fine blanking: Dunedin.

- Sheetmetal: Timaru.

- Digital Analogue Technical Services Ltd, electronics engineers: Auckland.

- ground & water engineers (or here).

- milking equipment, pressure vessels, marine & heavy engineering, steel fabrication.

- consulting mechanical engineers, Rotorua (or here).

- engineering & infrastructure management.

- steel fabricators: Tauranga.

- Consulting Engineers: Dunedin.

- vacuum technology.