Primary Hydrogen Corp. engages in the acquisition, exploration, and development of mineral properties in Canada. It holds a 100% interest in the Arthur Lake property, which include tow claims covering an area of approximately 543 hectares located in southwest of Vanderhoof, British Columbia; and 100% interest the Blakelock hydrogen project comprising 109 mineral claims that covers an area of 2,207 hectares located in northern Ontario. The company was formerly known as Millbank Mining Corp. and changed its name to Primary Hydrogen Corp. in November 2024. The company was incorporated in 2020 and is based in Vancouver, Canada.