Twin State, Inc., formerly Twin-State Engineering and Chemical Company is a privately held Iowa corporation, with three major manufacturing facilities. Our products are distributed through a network of 16 retail outlets and independent and cooperative dealers in Iowa, Illinois, Wisconsin, and Minnesota. Twin State is the largest producer of liquid fertilizer (Liqui-Grow) in Iowa and has a commitment to reinvest retained earnings in the fluid industry for the years to come.
Twin State is family owned and operated since 1958. Founded in Iowa by the Tinsman brothers, Hovey and Scott, we developed a manufacturing process for clear liquid fertilizer analysis for the agricultural market in eastern Iowa and northwestern Illinois. Pictured (from left): Scott Tinsman, Jr., Hov Tinsman III, and Bruce Tinsman.Twin State has three manufacturing plants, located in Durant, IA, Hampton, IA, and Janesville, WI, that supply our retail locations. Pictured: Durant, IA manufacturing facility. Twin State (Liqui-Grow) has 16 retail locations all throughout Illinois, Iowa, and Wisconsin. Pictured: Aerial view of Twin State (Liqui-Grow) in Dewitt, IA. Twin State (Liqui-Grow) has grown to employ more than 130 full-time and 200 seasonal employees. We concentrate on hiring quality staff in all areas, including administration, production, research, sales, and application. Pictured: Employees from Tipton, IA retail location. Twin State (Liqui-Grow) retail sales professionals and Liqui-Grow research team testing liquid suspension fertilizer application uniformity.Twin State (Liqui-Grow) is committed to reinvesting in our business to further serve our customers in the years ahead, particularly in our research efforts. Pictured: Agronomy Lead Dr. Jake Vossenkemper assisting a grower to resolve an agronomic issue in the field.Twin State (Liqui-Grow) research team applying in-season nutrients to small plot corn research trials.We are proud to announce a new division of the business, L.E.A.D. Academy – Liqui-Grow Excellence in Agronomy Development. Twin State will expand investment in research and education, sharing insights with growers through meetings and virtual events. Pictured: Dr. Jake Vossenkemper recording an educational, agronomic video for growers.
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