Committed to your success: For nearly 90 years, Sioux Tools has been providing tools that have been designed and built by the best engineers in the country. We use only top-quality materials in our manufacturing process, and we offer the strongest support and warranty in the business. Our over 100 patents are an indication of our innovation in product development and design. Sioux Tools are built tough to provide you with many years of trouble-free service. But with any piece of equipment, service problems can occur, thus Sioux tools are designed to make servicing quick, easy and affordable.