Altair International Corp., a development stage company, operates in the metals and mining, and green technology sectors in the United States. It explores for lithium. The company's flagship project is the Stonewall project comprising undivided interest in 63 unpatented placer mining claims covering an area of approximately 1,260 acres situated in Nye and Esmeralda counties, as well as 3 unpatented lode mining claims located in Nevada. It is also involved in the research and development of solid-state lithium/graphene battery technology. The company was incorporated in 2012 and is based in Pittsburgh, Pennsylvania.