Ubuntu Mix (Pty) Ltd, trading as CUB3 Concrete, is a South African owned and controlled construction company that was founded in 2016 by Casper Lotter, Wilkie Wilken and Cornel Wohlmarans. The company specialises in all grades of concrete, including mortars and plasters.

Ubuntu Rebar(Pty) Ltd, is a South African owned and controlled construction company that was founded in 2017 by Casper Lotter, Wilkie Wilken, Rassie Erasmus and Cornel Wohlmarans. The company specialises in the cutting, bending, supply and fixing of rebar for the general construction industry.

Ubuntu Bricks was started in 2007 by Casper Lotter after completing his studies at the University of Stellenbosch. The factory was built on the family farm next to a quarry which was developed in 2006, Vlakteplaas Crushers. By reducing the transport cost of the raw materials Ubuntu Bricks is able to make this cost saving available to our customers.