Culpeper is a family-owned and operated business that offers a range of lumber products. It is one of the largest pressure-treated lumber companies in the United States that produces more than 450-million-board-foot of lumber. The company operates various processing plants. It also offers plywood, decking, timbres, boards, and fire-retardant and standard dimensional wood products. The company sells wood lattice, fences, molded products, roof cants and landscape items. It sells a variety of marine products under the TimberGuard, GeoGuard, CMI ArmorWare, Thru Flow, ShoreGuard and C-Loc brand names. In addition, Culpeper offers fiberglass columns that feature smooth, fluted, square and split shafts.