As of January 5, 2012
Click on bolded companies and logos for link to their website.
Amerhart AmerAssist Andersen Windows Badger Corrugating Bayer Built Woodworks Benchmark Foam Inc. Blue Linx Company Boise Cascade Builders Insurance Group Building Products, Inc – South Dakota CertainTeed Corporation CP Supply a Division of Packaging Inc. Diversifoam Products DMSi Software Do It Best Corp. Edco Products, Inc. Fabral FastenMaster Federated Insurance Ferche Millwork GAF Glacial Wood Products Golden Valley Supply GRK Fasteners Guardian Building Products Hayfield Window & Door Holiday Stationstores Hutchison Lumber & Building Products Indiana Lumbermens Mutual Insurance Company Infrastructure Tech Solutions International Bildrite JB. O’Meara Company Lake States Lumber, Inc. Larson Manufacturing Company, Inc. LegalShield Pre-Paid Legal Manion's Wholesale Building Supplies Marvin Windows and Doors Metal Sales Mfg Corp Midland Garage Door Mfg. Co. Midwest Lumber Minnesota, Inc. Minnkota Windows North Country Distributors, Inc. Northern Crossarm Northstar Associates Northwestern Lumber Association Orgill Inc. Ozark Natural Paneling Peak Sales and Marketing Pennsylvania Lumbermens Mutual Insurance Company Peterson Wood Treating Prinsco Progressive Affiliated Lumbermen Rader Solutions Real Closet Retail Financial Services Rollex Corporation SafeShield Corp. Compliance Shelter Products, Inc. Simpson Strong-Tie TAMKO Building Products, Inc. Thermo-Tech Windows Twin City Hoo Hoo #12 Universal Forest Products V & H Trucks, Inc. Vector Windows Walsh Building Products Wausau Supply Company Weekes Forest Products Weyerhaeuser Whirlwind Building Components
