Welcome to Kernohan Engineering - Stainless and Pipe (previously Mi Stainless). Based in Nelson, we provide an end-to-end service in mild steel, stainless steel and alloy - from design, fabrication, installation and commissioning through to on-site preventative maintenance and repair. Our capabilities include: Project management; Mechanical design; Fabrication and Maintenance. Our services include CNC plasma cutting and large-scale fabrication from a purpose-built engineering facility.

Design & Fabrication Experts offering the highest quality specialist stainless solutions

Project Management From single installations to multi-disciplined turnkey projects

Manufacturers of the award-winning Fresh Fruit Ice Cream Company machines

We offer full project solutions from conception through to hand-over and, with our proven reputation for excellence and quality standards, we are the preferred engineering partner for many large-scale clients. We work with deep-sea and coastal fishery operations; the food and dairy industry; wineries and general engineering firms, consistently providing high profile customers with service and craftsmanship they have come to expect.

Kernohan Engineering comprises a highly capable team of engineering professionals. The company is headed up by owners Paul and Debbie Liebezeit who are actively engaged in day-to-day operations.

Vision: Become Nelson’s premier stainless, mild steel and alloy engineering firm by achieving extraordinary results for our customers, building satisfying careers for our people, and earning a fair return on the value we deliver.

Values: We are privately owned by active management, guided by our values and a defined sense of social responsibility. View our Social Responsibility statement here (PDF)...


Our Team


Kernohan Engineering provides stainless steel engineering and fabrication services to various industries including deep-sea and coastal fishery operations; the food and dairy industry; wineries and general engineering firms. We also offer services in mild steel and alloy to clients in a wide range of industrial and commercial sectors. As a design driven organization, we work closely with our clients to create solutions that are precisely tailored to needs. The versatility of Computer Aided Design combined with the human expertise of our staff lets us carry out complex one-off designs. In fact, the ability to create innovative design solutions is now a cornerstone of our business and forms a significant part of our workshop output. Our Engineering workshop in Vickerman Street, Port Nelson is fitted out with a comprehensive range of machinery, enabling efficient production to time critical deadlines. We carry a range of plate and tube in stock and can source custom sizes and component parts on short deadlines.

Cutting Plasma cutting: We offer a comprehensive Computer Controlled Cutting Service (CNC) with the ability to convert files direct from DXF, DWG or scanned from a hand sketch or photo. Our plate bed is capable of taking 6.200m x 2.800m sheet size. We cut Mild Steel, Stainless Steel, Aluminium and any conductive metals (i.e. copper, brass, etc.) from 1.5mm to 30mm thick. We can supply plate or cut your own.

Guillotine: 2.50 metres long. Can cut up to 3mm thickness mild steel & stainless and up to 5mm thickness aluminium. Others: Equipment includes; Band Saws, Cold Cut Saws and Orbital GF Saws

Pressing / Folding / Forming Press Brake: 3 metres long. Can press up to 3mm thickness stainless & mild steel sheet and 5mm thickness aluminium sheet.
Hand folders - for light bending work
Tube Benders - for forming from ½ inch to 1½ inch diameter tube.

Welding We have TIG, MIG, ARC and Spot welders, to carry out fabrication of all Stainless Steel, Mild Steel and Aluminium materials together with Caddy (portable) welders for on-site work.

Weld Procedures and Qualified welders: Dairy Ticket AS/NZS 2980 & Asme1X

Machining With a variety of Lathes, Mills and Drill Presses, we are capable of machining components to highly exacting specifications.

Polishing / Finishing Our facility is equipped with polishing equipment and portable hand polishers to buff items to any standard of finish required. In addition, we have a custom-built glass bead blasting cabin for finishing stainless to a matt, brushed finish.

Contact Us

    Kernohan Engineering

    100 Vickerman Street
    Nelson 7043
    New Zealand
    Phone: 03 548 2399
    Email: infosp@kernohan.co.nz