Unified by one value system, the diverse business units and services within TKI serve the agriculture, mining, industrial and water reclamation markets with a broad range of products and technologies around the world.

Crop Vitality

Perfect for custom blending, the Crop Vitality line of sulfur-based liquid fertilizers, nitrogen stabilizers and soil amendment products enhance crop quality and the value of harvests. Visit our Crop Vitality website for more information.


Specializing in niche agricultural markets globally, NovaSource serves the Crop Protection market delivering high value agricultural herbicides, fungicides, fumigants, insecticides and heat stress protection products. Visit our Novasource website for more information.

Mining & Industrial

For mining purposes, TKI thiosulfate solutions are non-toxic and are used as depressants, sulfidizers and reagents for metal processing. TKI Industrial customers use our products for many purposes in water treatment and reclamation, pulp and paper, food processing, tanning and other specialty categories. Read more.


Both companies have created and are operating unique processes and equipment that provide effective, efficient and economical water reclamation services to the oil and gas industries. Visit our MPR and ECS websites to learn more.

TK Formulators

Customized toll processing formulation services and secure warehousing are available in the central San Joaquin Valley of California through TK Formulators. Click here for more information.

TK Services

Serving both TKI and third-party customers. TK Services designs, constructs and improves processing plants in the mining, refining, gas processing, petrochemical and chemical industries. Read more.

TK International

TKI has a global footprint with its Tessenderlo Chemie Ham facility in Belgium, Tessenderlo Agrochem in Turkey and sales offices in Mexico, Chile and Lebanon. Read more.