Trachte (pronounced Trock-tee) designs, manufactures, and erects a full line of durable, pre-engineered and customized steel self-storage systems. Headquartered in Sun Prairie, Wisconsin, we are one of the largest manufacturers of steel self-storage systems in the industry. After over 120 years of experience, we've mastered the art of developing smart building products designed, engineered, and customized to meet your needs.