Groff's Sawmill, also known as Groff & Groff Lumber, is a third-generation family-owned business located in Quarryville, Pennsylvania. The company specializes in producing and selling a large selection of kiln-dried, premium domestic and exotic hardwood lumber. Their inventory includes popular species such as black walnut, white oak, maple, pine, red and white oak, box elder, and poplar. They offer various wood products including natural edged slabs and figured pieces, serving customers both online and in their retail shop.