- SPIRAL SIGHT BUSINESS SOLUTION Limited
- copper ore, tanzanites, rubi, amathest, garnet.
- Address:PLOT 263,Ngweze street,Rukwa MPANDA, RUKWA
- AMY INCTz
- rubi,red ganet,apataite,moon stone, felispar, black tomarine,green ganet, gapaksn, and green tomaline..
- Address:TZ, DSM, Tanzania
- SD Mine Company Limited
- copper ore, tanzanites, rubi, amathest, garnet.
- Address:PLOT 263,Ngweze street,Rukwa MPANDA RUKWA 255 Tanzania
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