Mayfield Group Holdings Limited, together with its subsidiaries, provides electrical and telecommunications infrastructure products and services in Australia. It offers switchboards, kiosks, and transportable switch rooms for critical electrical infrastructure. The company also engages in the project management, engineering, design, manufacture, installation, and commissioning of electrical infrastructure. In addition, it provides high, medium and low voltage infrastructure services, including switching, testing, maintenance and asset replacement services; telecommunications and critical power products and services; and protection systems and control panels. The company was founded in 1936 and is based in Edinburgh, Australia.