Elder Wood Preserving Co., Inc., pressure treats lumber and plywood to protect it against termites and fungi for construction purposes. Its milling facilities produce a range of wood products from dimensional lumber, timbers, boards, and plywood and plywood siding to fencing, flooring, lattice, and decking and deck accessories (spindles, balusters, hand rails, step stringers). The company has an environmental monitoring program and shares its results with scientists, universities, and government agencies. Elder Wood Preserving was founded in 1977.