At Sioux Steel Company, we’ve spent over a century focused on providing value to our customers. What started in 1918 as a dre ... am to start a steel corrugating business has grown into a fourth- generation, family-owned company that manufactures products that provide solutions throughout the world. Because we know that value is just as important to you, we stand behind the quality and durability of all of our products. Sioux Steel is the company known for offering a ten year warranty on our grain systems, the longest in the industry. And, an unbelievable LIFETIME warranty on our Guaranteed gates. At Sioux Steel Company, we pride ourselves on our superior reputation for integrity, honesty, and the highest-quality products. We look forward to another century of providing exceptional value in every product we manufacture. Our mission is not only to satisfy our customers, but we want them to be delighted to do business with us. Whether your order for Sioux products is large or small, frequent or occasional, we feel a definite obligation to provide you with high-quality products and outstanding service. read more