GreenFirst Forest Products Inc operates as a forest products business consisting of four operating sawmills located in Ontario. The company manufactures and markets a range of spruce-pine-fir (SPF) lumber products for use in residential and commercial construction, with by-products from production sold to pulp producers. It operates in a single operating segment, being lumber products. The group's geographic markets are Canada and the United States, with the majority of revenue derived from the United States. The company generates almost all of its revenue from the sale of Lumber products and a small portion of its revenue from the sale of Chips, by-products, and other.