N & G Williers Contractors is a family owned business with over 70 years of industry experience. We are a Pretoria based company handling projects accross South Africa. We Specialise in Bore Hole Pumps, Yield Test on Boreholes, Boosters, Sewer, Drainage Pumps and more. Also For HDPE butt & electrofusion welding, pipe line/manifolds & package sewer plants.