Rodger Wilson Contracting's D-6 N and D-7 N bulldozers. Gavin Spencer (right) discussing blade skin replacement with operator.
Spencer Engineering Ltd (SEL) is a specialised engineering firm, based in Alexandra and servicing major industry clients throughout the Queenstown Lakes, Central Otago and Southland areas.

We design, fabricate and install
- Structural steel building frames
- Tank, pump and pipe components
- Integrated irrigation systems
- Heavy machinery modifications and repairs

We operate out of purpose-built premises in Alexandra with fully equipped machining and precision welding facilities. We transport finished components on a daily basis to clients across the southern south island.

Our clients include leading New Zealand companies in these sectors
- Mining
- Energy
- Large scale commercial and domestic building
- Viticulture, Horticulture and Agriculture
- Adventure Tourism and Skifields

Gavin Spencer, the General Manager of SEL, personally supervises all construction projects - in the workshop and during installation. Gavin has over 27 year's personal experience in heavy engineering design and fabrication for a wide range of industries and has a high quality staff of well-trained and experienced tradesmen.

SEL prides itself on excellent workmanship - delivered to you on time, within budget and to exacting quality specifications. We guarantee everything that leaves our workshop!

- Performance Under Pressure -