- CT Miner
- Address:Koie 80 Tallin, Estonia
- Stopptuli Ltd
- Address:Kellam�e 6-6 Maardu 74113 Estonia
- Artefix
- Address:Vana-Lna 21-1 Tallinn 10134 Estonia
- BitBoard LLC
- Address:Roosi 18 Jogeva Estonia
- Icegold OU
- Address:Pikk 7 Tallin Estonia
- X-boost technologies
- Address:Sopruse pst 3-94 Tallinn Estonia
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