Twin State Inc.
Chemical ManufacturingIowa, United States11-50 Employees
Twin State Inc. is a chemical manufacturing company based in Davenport, Iowa, founded in 1958 by brothers Hovey and Scott Tinsman. The firm designs and produces clear liquid fertilizers for the agricultural market in eastern Iowa and northwestern Illinois, including suspensions, all NPK blends, 10-34-0 starters, and minor elements, with products sold under the Liqui-Grow brand. Twin State remains family-owned and is today operated by three generations. In addition to its fertilizer business, the company manufactures and markets liquid fertilizers, stores and markets grain, runs lumberyards and hardware stores, sells fuel, and maintains a robotics startup. The organization relies on a workforce across administration, production, engineering, research, and sales, with emphasis on training and teamwork. It pursues ongoing research and innovation to provide quality products and timely service to its customers and to stay competitive in the broader market.