A Valley® Irrigation Authorized ProviderRecognized as a world leader in quality and innovation, Nelson Irrigation focuses on providing exceptional products – including Rotator® sprinklers, control valves, pressure regulators 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 Irrigation’s world class products continue to be designed and made in Walla Walla, Wash.