South Dakota Soybean Processors LLC

South Dakota Soybean Processors, LLC owns and operates three processing facilities and two oil refineries in South Dakota. The company's principal place of business is in Volga, South Dakota, where it operates a soybean processing plant and refinery and maintains administrative offices. It also owns and operates a small oilseed processing plant near Miller, South Dakota. Additionally, the company owns a controlling interest in and manages High Plains Processing, LLC, which operates a large oilseed processing plant and refinery located two miles south of Mitchell, South Dakota. Construction of the Mitchell facility was completed and start-up operations commenced in October 2025, nearly doubling the company's total production capacity. South Dakota Soybean Processors, LLC is owned by approximately 2,240 members, many of whom are agricultural producers in South Dakota and neighboring states. These members deliver and sell soybeans to the company's facilities for processing. All assets and operations are domiciled in South Dakota, where all products are produced. The core business involves processing locally grown soybeans into soybean meal and hulls, as well as soybean oil and related oil byproducts. Soybean meal and hulls are marketed and sold primarily to resellers, feed mills, and livestock producers as livestock feed. Multiple grades of soybean oil, in either crude or refined formats, are marketed and sold to the food, biodiesel, and chemical industries. Under certain market conditions, the company may register and deliver warehouse receipts for crude oil under specific terms and conditions of a Chicago Board of Trade (CBOT) soybean oil futures contract. The company also markets and sells contracting services for the construction and management of oilseed processing facilities.