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.
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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.
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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.
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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.
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Twin State (Liqui-Grow) retail sales professionals and Liqui-Grow research team testing liquid suspension fertilizer application uniformity.
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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.
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Twin State (Liqui-Grow) research team applying in-season nutrients to small plot corn research trials.
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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.
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.
