Christant Mzindakaya

Part of Petra Diamonds Ltd., Williamson Diamonds Ltd. operates as a diamond mine. The CEO of the Tanzanian company is Richard Neil Duffy.

The State Mining Corp. provides nonmetallic minerals. Its services include diamond drilling, reverse circulation drilling, and exploration consultancy. The company was founded in 1973 and is headquartered in Dar es Salaam, Tanzania.

Geothermal Power (Tanzania) Ltd. engages in developing geothermal power resources. The company is headquartered in Dar es Salaam, Tanzania.

Tanelec Ltd. manufactures electrical transformers and switchgears. Its products include distribution transformers, medium voltage switchgear, low voltage switchgear, services & repairs and certification & quality control. The company was founded in 1981 and is headquartered in Arusha, Tanzania.

The Southern African Development Community (SADC) is an organization that aims to enhance cooperation and dialogue for Southern African regional integration. The non-profit company is based in Gaborone, Botswana, and has subsidiaries in Botswana. It was established in 1980 as the Southern African Development Co-ordination Conference (SADCC) and later became the SADC Treaty. The official website provides information about SADC, its members, thematic areas of work, news, events, opportunities, documents, and publications. The SADC Dialogue Facility (SDF) is a program that seeks to institutionalize policy dialogue between SADC and its stakeholders, including International Cooperation Partners (ICPs), Non-State Actors (NSA), and other peer organizations on the continent.

Geothermal Power Ltd. engages in developing Geothermal power projects and resources. The company is headquartered in Ebene, Mauritius.