Industrial Valve Engineering Supplies (PTY) LTD. Specialising in industrial valves and engineering supplies. Vemco, started trading in a small rented premises in 1979, manufacturing Syphon tubes, Hydraulic test pumps and a small range of Valves. From this humble beginning we started a group of individual companies, separately trading in Spartan, Pretoria, Brits and Chrisville and called ...