Professional Land Surveyors
The practice Williams, Greeff & du Preez was established in 1983 and expanded to Bedfordview Johannesburg in 1986.
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Isazi Surveys was established in Pretoria in 2001 and went into partnership with Williams, Greeff & du Preez in 2002.
We use the most advanced survey technology, ranging from Global Positioning Systems to electronic and robotic theodolites, fully integrated computers, CAD and plotting systems.
Our vast pool of experience and use of technology give us the capability to perform surveys with maximum efficiency and accuracy in the minimum time and at a competitive fee.
Andre du Preez
B.Sc (Land Survey) (UND)
Pr.L (SA) Member PLATO
Andre du Preez
Willem Coetzer
B.Sc (Land Survey) cum laude
(UP) Pr.L (SA) Member PLATO, SAGI
Abe van Zyl
Dip Survey (Topo)
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