Company Profile


Who we are?

RES Engineering (formerly Rukuhia Engineering Ltd) is a Hamilton Based engineering company founded on Stainless steel manufacturing, maintenance and general engineering. Specializing in Bulk holding vessels. Fuel tank and pipe work manufacturing and installation from 500 liters to 200,000 liters.

  • Examples:

  • Milk Holding Silos

  • Spare Parts & Site Maintenance

  • Chemical Silos

  • Trailer Tanks Refurbishments

  • Bulk Fuel Storage Silos

  • Design & Certification

  • Chemical & Fuel delivery Lines

  • Walkways & Safety Rails

  • Add Blue tank Solutions

  • Road Tankers

RES Engineering has a workshop situated in Ellis Street Hamilton. The company currently employs highly efficient qualified workshop staff and 4 site service Technicians along with 3 management and office personnel.

The Staff have many years of both stainless steel mild steel and aluminum welding and fabrication experience. RES Engineering is always happy to offer an obligation-free quotation service.


The company currently services the Auckland, Waikato, King Country, Bay of Plenty areas. We have approved Fuel Pro Agents throughout the North and South Islands, for any of your requirements.


Currently we service and maintain dairy farm silos on site and workshop based. Also upgrades of equipment in the dairy and meat works industry. We currently design and fabricate new fuel tanks & refurbish upgraded and modified tanks. We can supply certifications and tank approvals. RES complete upgrades to fuel pipe lines, steam lines on site or workshop based. We have 4 site engineers who specialize in welding and fabrication. Site work including Process engineering, silo installations and servicing, walkways, safety hand rails and galvanized pipe yards. RES install air line pipe work which can be run in plastic, aluminum and steel pipe, RES are site safe approved to work off elevated platforms. We have site service engineers to complete airline and product dispensing pipe work to cover the North Island.

RES are all-round general fabrication engineers who have the ability to weld alloys, steels and stainless steels. As part of being a service engineering company RES staff have approvals from Site safe, confined space entry, working at heights, appropriate welding certificates to cover the requirements of our our customers. RES also has a certified BA welding engineer for very specialized confined space projects. These are a sample of other site work services RES Engineering offer. The team at RES has built a reputation over the last 15 years as the preferred silo maintenance and repair specialists for Milk silos throughout New Zealand. Delivering a professional efficient service with the combined knowledge of over 50 years in the industry. Our staff come all qualified and abides to safe working practices. We also have a full workshop facility available.


RES are proud of our high standard of safety policy. We all as a team have the view of zero tolerance. All staff attends safety meetings all staff have the appropriate certificates and qualifications for each trade attained. Kind Regards from the Management. Our health and safety manuals and system is independently audited every 3 months to assure a high standard of site working environment is sustained.

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