Willem Diederik Coetzee

African Oxygen Ltd. is engages in the manufacture and marketing of gases and welding products. It operates through the following three segments: Atmospheric Gases, Liquefied Petroleum Gas (LPG) and Hard Goods. The Atmospheric Gases segment includes oxygen, nitrogen and argon gases. The LPG segment supplies LPG to bulk users in all sectors of the South African market. The Hard Goods segment comprises of include arc equipment, gas equipment, welding consumables and other products. The company was founded in 1927 and is headquartered in Johannesburg, South Africa.

Puregas (Pty) Ltd. engages in the supply of purified and blended hydrocarbon gas propellants and foam blowing products. It offers ozone friendly propellants, special gases, LPG, ammonia, beverage grade carbon dioxide, fire suppression, and technical, engineering and training services. The company was founded in 1971 and is headquartered in Alberton, South Africa.