Hines Supply (originally the Edward Hines Lumber Company), based in Buffalo Grove, Illinois, in the United States, is a business firm specializing in lumber, plywood, decking, doors, windows, trim, and other wood products. It also sells related services such as consultations and cost estimates for building projects. It has outlets in Alsip, Grayslake, Hampshire, Kirkland, Montgomery, St. Charles, Warrenville, Wheaton and Buffalo Grove.