Tessenderlo Kerley helps unlock your crop's potential.

Throughout Tessenderlo Kerley's growth and expansion, our focus on agriculture has remained constant.
TKI is a fertilizer and crop protection company covering North America, able to deliver products on schedule through strategically placed production sites and an ample storage network of more than 60-plus terminals — crucial for customers' short application windows.
TKI's sulfur-based liquid fertilizers and soil amendments are used on a variety of crops and soils to boost net return per acre through proper plant nutrition and soil amendment where needed.
With more than 60 years of work supporting agriculture, Tessenderlo Kerley continues to develop and provide products specifically designed to maximize net return per acre and improve crop quality. TKI's goal is to maintain its leadership position in agriculture.
On the horizon, TKI is focused on developing innovative new products that continue to benefit customers and growers.
Tessenderlo Kerley is the leading producer of urea triazone slow release nitrogen fertilizer solution, a premier SRN source used in specialty and broadacre crops.