Markus Ekberg

Kalvinit Oy provides exploration and mining services. The company executes exploration and mining of limonite, kaolin, and other industrial minerals in Finland. The company was founded in 1997 and is headquartered in Kuusankoski, Finland.

Endomines AB engages in the exploration, mining, and extraction of gold and ilmenite deposits. Its site is found in Eastern Finland along the Karelian Gold line. The company was founded on October 20, 2005 and is headquartered in Stockholm, Sweden.

Outokumpu Mining Oy provides mining services. The company was established in 1989 and is headquartered in Ainastalo, Finland.

Part of Sigmaroc Plc, Kuovila Limestone Oy engages in mining. The company is based in Hattu, Finland. Kuovila Limestone was acquired by Juuan Dolomiittikalkki Oy, a SUB of Sigmaroc Plc from Endomines AB on November 26, 2012 for $0.23 million.