William O'Keeffe

Mamba Minerals Ltd. is an iron ore exploration company. Its principal activity is the discovery and development of mineral deposits. The company holds interest in Snelgrove Lake project, a highly prospective iron ore project located in Canada's premier iron ore district, the Labrador Trough in Newfoundland. Mamba Minerals was founded on May 18, 2006 and is headquartered in Rozelle, Australia.

Riversdale Resources Ltd. operates a coal development company. It focuses on hard steel making coal projects. The company is headquartered in Chatswood, Australia.

Champion Iron Mines Ltd. is a Canadian mineral exploration and development company. It is focused on the acquisition, exploration and development of metal deposits, particularly iron ore deposits, in North-Eastern Québec and Newfoundland and Labrador. It currently has interest in Attikamagen, Fermont and Powderhorn/Gullbridge Projects. The company was founded on April 11, 1985 and is headquartered in Toronto, Canada.

Nanuk Diamonds, Inc. operates as a holding company and owns 625 mineral claims. The company was founded on April 19, 2017 and is headquartered in Montréal, Canada.

Québec Iron Ore, Inc. operates as a mining development company. It focuses on developing iron resources. The company was founded in 2015 and is headquartered in Montreal, Canada.

Part of Glencore Plc, Mount Isa Mines Ltd. mines for gold and copper properties. The company is based in Brisbane, Australia. Mount Isa Mines was acquired by Summit Resources Ltd. (Canada) from Resolute Mining Ltd. on January 16, 2001.