iLevel by Weyerhaeuser. TimberStrand laminated strand lumber is available in a broad range of products, including wall studs, rafters, beams, treated sill plate, columns, window and door headers, and concrete form board. The product is manufactured from faster growing species, including aspen and yellow poplar, and from trees not straight or large enough for conventional building products. It is available in lengths up to 64 feet, depending on product. SFI certified. 888.453.8358.

Koetter Woodworking. The manufacturer’s line of hardwood flooring is available in nine native species, including cherry, maple, hickory, red oak, white oak, and black walnut. Panels can be plain sawn or quarter sawn, and come in a ½ inch thickness and widths from 2 inches to 7 inches. FSC certified. 812.923.8875.

Potlatch. The company’s line of FSC-certified lumber includes 2x4 to 2x6 Douglas fir and larch dimensional framing lumber, 2x4 to 2x12 hem fir dimensional framing lumber, 2x4 to 2x6 SPF studs, 2x4 to 2x12 Southern yellow pine dimensional framing lumber, and red cedar decking, boards, and siding in a variety of widths, lengths, and depths. Certified plywood panels are also available. 509.835.1500.