Sigma Industrial Services (Pty) Ltd was established in January 2015. The company’s head offices are currently located at 4A Dr Beyers Naude Street Middelburg. The company provides metallurgical, destructive and non-destructive testing (NDT) services to power plants, paper, smelters, refinery, foundry, refinery, mining, and petro-chemical industries. Our aim is to expand our services to a wide range of mechanical, metallurgical, welding and non-destructive testing.