TMI (Transvaal Mining & Implement Spares) is a family business turned Pty Ltd, with a rich history dating back to 1986. From a three-man operation, it has evolved into a fully-fledged factory in Laser Park, Roodepoort. Current directors Daleen Potgieter and Maresa Zietsman have steered the company for 23 years, providing quality replacement parts for South African farmers with affordable, locally produced products.