- consolidated gems ltd
- tourmaline,aquamarine,garnets,sapphires,diamonds.
- Address:no 58 yingi layout
- A. G. Nisama Limited
- Gemstones,Mineral Metals,Amethyst,Aquamarine,Emeralds,Sapphires,Garnets,Tantalite,Tin,Topaz,Tourmaline,Zinc Ore,Zircon,Lead Ore,Iron Ore,Manganese Ore,wulframite,Columbite,Copper Ore,Gold,Precious Stones.
- Address:74 / 9 Ajayi Street R. 9-10 Jobose Plaza
- freemanrocks
- quartz, garnet, tourmoline, sapphires.
- Address:standard building jos plateau 234 Nigeria
- Biadtech Nig Ltd
- Gem Stones, Emeralds, Sapphires.
- Address:
- AMAGEMS NIGERIA LIMITED
- Gemstones,Tourmalines,Garnets,Sapphires,Aquamarines.
- Address:No 36 Conacry Avenue Malali Kduna Nigeria
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