Profile: Buffalo Crushed Stone, Inc. is a supplier of construction materials for airport runways, building construction, state & local highways, commercial parking lots and residential driveways. Our products include coarse aggregate, dirt fill, agricultural lime, hot mix asphalt, crushed limestone, sand, gravel and blast furnace slag. Our aggregate is used for drainage stone around perforated pipe. Our stones range in size from approximately 4" to 10" with very few fines.