MO & IL’s Trusted Basement Waterproofing & Foundation Repair Contractor Serving Greater St. Louis, Springfield, IL & Everywhere in Between Founded in 1986, Woods Basement Systems, Inc. has become Illinois and Missouri’s trusted contractor for basements & foundations. Our services include basement waterproofing, basement finishing, crawl space repair, foundation repair and concrete leveling. Woods Basement Systems, Inc. is family owned and operated. We pride ourselves on our superior customer service and our patented and proven products and services — each designed to repair and upgrade your basement, crawl space, or foundation. We service homeowners in St. Louis, Springfield, and throughout Central Illinois and Eastern Missouri.