- earth net (T) Ltd
- Address:ohio
- N & K EXPERTS BUSINESS LTD
- Address:Tanzania
- Usambara Mines
- Address:Tanzania
- N & K BUSINESS EXPERTS (T) LTD
- Address:Big Bong street, sinza mori, Other, Tanzania
- Happy Mineral Trading Company
- Address:Plot no 137 Kahama Road, Singida, Other, Tanzania
- JB Group T Ltd.
- Address:Tanzania
- Black Stone Metals
- Address:4805 JAMES LOOP, killeen, Other, USA
- Dar Es Salaam Metal Exchange
- Address:samora avenue, dar es salaam, Other, Tanzania
- JR Logistics International
- Address:
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