CWF Hamilton & Co LTD was formed in 1939 as an engineering workshop. In the last 30 years, CWF Hamilton has focussed solely on the waterjet side to become a world leader in this market. Today HamiltonJet employs over 380 staff in all aspect of waterjet design, production and service. Three foundries making aluminium, stainless steel and Aluminium Bronze castings using sand gravity and investment casting processes. One of the most successful integrated foundry operations in New Zealand.