Landiwe Jackie Mahlangu

Development Bank of Southern Africa Ltd. operates as a development finance institution. It offers finance services that include grants, lending, investing, underwriting guarantees and arrangement of finance. The firm also offers training, development and expertise, agency service, development information and technical assistance services. The company was founded in 1983 and is headquartered in Johannesburg, South Africa.

Interwaste Holdings Ltd. engages in the provision of commercial and industrial waste management services. It operates through the Logistics and Facilities segments. The Logistics segment includes on-site management, waste recycling, commodity trading, and transportation. The Facilities segment focuses on the disposal of waste volumes using a solution or facility such as blending, hazardous treatment, converting to refuse derived fuel, or disposal via landfill. Its services include integrated waste management, waste classification, waste disposal, landfill construction and maintenance, and waste logistics. The company was founded by William Alan Hardy Willcocks and Bronwyn Lee-Ann Willcocks on June 26, 1989 and is headquartered in Germiston, South Africa.

Sea Kay Holdings Ltd. is engaged in construction and engineering services. It operates business through the following subsidiaries: Sedibeng Bricks, Sea Kay Engineering Services and Sea Kay Property Developments. The company was founded by Corne Kruger in 1998 and is headquartered in Vereeniging, South Africa.

Amazwe Holdings Pty Ltd. functions as an investment holding South African company. The private company is based in Johannesburg, South Africa. The CEO of the company is Seth Malefetsane Radebe.

Esteq Group Pty Ltd. engages in the development and provision of engineering software solutions. It offers product lifecycle management, product design, engineering simulation, test and measurement, and manufacturing operations. The company was founded by Cobus Oosthuizen in 1993 and is headquartered in Pretoria, South Africa.