- J&M Trading Company Limited
- Address:Kibo Road, Plot No 567 Dar-es-Salaam Dar-es-Salaam 34280 Tanzania
- freen
- Address:
- RAW MINING INT.
- Address:Tanzania
- Kingstone Mining Resources
- Address:P. O. BOX 32624 DAR ES SALAAM, TANZANIA Dar es Salaam Dar es Salaam 255 Tanzania
- Sinostrong Co.,Ltd
- Address:
- Stonetown
- Address:8 / 45 Kijitoinyama, MAKUMBUSHO
- Bonzul Gems Ltd
- Address:
- Cahou Mining Group Ltd
- Address:bing bang street Sinza Dar es salaam 00255 Tanzania
- ADAMAS TANZANIA LTD
- Address:Maktaba Street
- Al-esiri company
- Address:MAKORORA
- Africangems
- Address:P. O. Box 18045
- La Puerta Tanzanite
- Address:
- Moreshine Gemstone Enterprises
- Address:UMATI Building 2nd floor, Samora / Zanaki St
- Essy Investments Co.
- Address:Dar es salaamP.o box 5811
- Rawgoldlimited
- Address:long street Douala litoral region Tanzania
- DUDU TRADING CONPANY PLC
- Address:Toure Drive
- Fresh Produce Ltd
- Address:787, Mbezi
- uzuri trading company
- Address:Livingstone
- BonZul Gemstones
- Address:
- Shimbwe
- Address:Uru Road Shimbwe Village Tanzania Killimanjaro Killimanjaro 00255 Tanzania