NELSON IRRIGATION CORPORATION REMAINS UNRELENTING IN ITS MISSION TO IMPROVE THE STATE-OF-THE-ART OF WATER APPLICATION. Recognized as a world leader in quality and innovation, we focus on providing exceptional products including Pivot Sprinklers, Rotator Sprinklers, Pressure Regulators, Control Valves, TWIG Wireless Controls and Big Gun Sprinklers for agricultural and industrial applications. We are very thankful to be in this industry and able to work with great people with common values. It truly is our relationships and customer input that drives our product design and focus on manufacturing excellence. Today, we are continuing to invest in our people and our manufacturing processes, while focusing on Research and Development for the future. True to our commitment, Nelson Irrigations world class products continue to be DESIGNED & MADE IN WALLA WALLA, WASHINGTON, USA.