Wilco is one of a select few precast manufacturers accredited as a Precast NZ Certified Plant. To achieve this, strict quality control measures are maintained and audited by external agencies. This ensures the highest quality precast products and first-class customer service. Wilco is based at Papakura, South Auckland and employs around 70 personnel.This highly-skilled team of engineers, draughtsmen, project managers and production personnel, coupled with the best of production facilities, allows us to maintain our leading position for quality, service and reliability.