Jul 01, 2011. /Lesprom Network/. Griffin Lumber, Cordele, Ga., USA, will shut down its sawmill and planer the week of July 4. Sales and shipping will be closed July 4 but will be open the rest of the week, as Random Lengths reported. Griffin Lumber Company is a family owned business that was established in 1948. The Company manufactures Southern Yellow Pine Lumber, production includes 70% radius edged decking and 30% dimension lumber.