GLR Resources Inc. engages in the mining and exploration of mineral properties in Canada. The company primarily explores for zinc, lead, copper, gold, and silver ores. It holds interests in the Sackville project located in the District of Thunder Bay, Ontario; the Baldwin property that consists of nine patented mining claim units situated in Eby Township west of Kirkland Lake in the Larder Lake Mining Division of Ontario; and the Casa Berardi property covering an area of approximately 1,150 hectares located in Puiseaux and Orvilliers townships, Quebec. The company is headquartered in Kirkland Lake, Canada.