Since 1997, Settje Agri-Services and Engineering, Inc. (SASE) has worked to become the premier provider in the Midwest for livestock systems engineering and design, construction management, manure marketing, and environmental compliance. SASE is the premier provider in the Midwest for livestock systems design, engineering, construction management, and environmental compliance. Our diverse team includes professional engineers, construction managers, agronomists, geologists, field technicians, and groundwater monitoring specialists.