Farai Manyemba

TanzaniteOne SA Ltd. mines and supplies of rough tanzanite and gemstones. The company was established in 1971 and is headquartered in Johannesburg, South Africa.

TanzaniteOne Mining Ltd. extracts, produces, and supplies rough tanzanite. It also produce fine cut and polished tanzanite. The firm provides mining, marketing, cutting and polishing services. The company was founded by Michael John Nunn and is headquartered in Arusha, Tanzania.

Deloitte & Touche provides audit, enterprise risk management, and financial advisory services. The company delivers services in four professional areas: audit, tax, consulting, and financial advisory services. It provides its clients with global services such as entering foreign markets, raising funds, and investing in Mainland China. The company was founded in June, 2003 and is headquartered in Taipei, Taiwan.