Power and distribution transformers for the African continent are manufactured by SGB-SMIT POWER MATLA in its factories in Pretoria and Cape Town. The Large Power Transformer factory in Pretoria West is a well-equipped factory and is amongst the biggest and most sophisticated transformer manufacturing plants within the Southern Hemisphere and one of two large manufacturers within sub-Saharan Africa. SGB-SMIT POWER MATLA Pretoria manufactures 10MVA to 800MVA transformers with primary voltages of up to 420kV. Other products include arc-furnace, on-board locomotive and grid-connected traction transformers as well as shunt reactors up to 100MVAr.

Edge Line Engineering is a leading provider of mechanical and electrical engineer solutions, specializing in the design, manufacture, and sales of premium quality products for the commercial, industrial, municipal, and mining market sectors. Our team of highly skilled professionals, including electrical engineers, are dedicated to providing our clients with exceptional investment value. With over 50 years of experience in the industry, we have established ourselves as experts in the field, with a focus on electrical transformer and other electrical products. As a proudly South African, level 1 BBBEE company, we are committed to providing our clients with top-quality products and exceptional service

We specialize in the installation and commissioning of transformers up to 20MVA as well as repairs and maintenance on the Medium to High Voltage Electrical components.

Manufacturer of all Transformers from 1Va to 1000Kva. Repairs to all type's of transformer's up to 1200Kva, welders, magnetic choke's, transductors oil, and air cooled.

Manufacturers of transformers from 1va to 20Kva including torroidal types and audio.

Current Electric was established in 1982 and is the leading manufacturer of Current and Voltage Transformers in South Africa, in June 2008 the business was acquired by ACTOM Group (previously known as Alstom) . The product range comprises of Current Transformers up to 33kV and Voltage Transformers up to 22kV for use in medium voltage reticulation products