Tulavax (Pty Ltd) is a diversified investment and industriel holdings company with focus on the following investments and operations in Property, Resources & Mining, Petroleum & Energy, Rail & Engineering, Power and Finance.

ASTRON ENERGY Proprietary Limited (formerly Chevron SA (PTY) LTD) Astron Energy is a leading refiner and marketer of petroleum products in South Africa. It does business through its subsidiary Astron Energy Proprietary Limited in which Mr Mpho I. Scott is the Chairperson of the company. The company's network of Caltax service stations help develop the company into one of the country's top five petroleum brands. It operates in refinery in Cape Town and have interests in a lubricants plant in Durban Kwa-Zulu Natal.