Shelter Products, Inc. (SPI), is a locally owned wholesale company supplying both retail building centers and the manufacturing housing industry. SPI covers all of Minnesota, eastern North Dakota, eastern South Dakota, northern Iowa and western Wisconsin. SPI trucks service these areas weekly, providing our customers with extensive product lines, allowing them to carry fewer inventories. Our Mission: Shelter Products, Inc. (SPI) has a mission to meet and exceed customer expectations, providing high quality products, on-time delivery and competitive prices. Our friendly, professional staff will strive for superior customer satisfaction. We offer a one-stop shop for outdoor building materials. SPI offers decking, windows, doors, siding, shingles, housewrap, railing, and diamond pier anchoring systems. We also offer interior building products such as cabinets and countertops. Visit our website at www.shelterproducts.com for our complete offerings.