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, Cornel Wohlmarans and Wilkie Wilken. 

Ubuntu Rebar(Pty) Ltd, is a South African owned and controlled construction company that was founded in 2017 by Casper Lotter, Wilkie Wilken, Cornel Wohlmarans and Rassie Erasmus. 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.