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TKI is a solutions provider.

Concentrating on niche segments, TKI's NovaSource® business unit serves the regulated chemical market in the areas of agriculture, horticulture, turf, forestry, aquatic, structural pest control and biocides in the United States and worldwide.
Through two subsidiary companies, MPR Services and Tessenderlo Kerley Services, TKI also provides engineering and construction services to oil and gas sector customers and offers amine and glycol cleaning, and related services to refinery and gas plant customers.
TKI's specialty fertilizer solutions dominate the world's broad acre, fruit and vegetable markets. In plant nutrition, the common link for several of TKI's key nutritional products is the thiosulfate molecule.
TKI is a leader in the slow release nitrogen market with the N-Sure® brand, a triazone-based solution widely used in many crop nutritional programs.
TKI is the world's largest producer of metam-based fumigants. With the acquisition of the Sectagon 42® brand of metam sodium in 1999, TKI entered the crop protection sector that led to the creation of the NovaSource® business unit, to develop and market regulated crop protection chemicals.
Tessenderlo Kerley Formulators (formerly Ag Formulators) became part of Tessenderlo Kerley in 2007, offering toll-processing formulation and secure warehousing to expedite customer manufacturing and marketing.
TKI is a key unit of Tessenderlo Group, a Belgian-based multi-billion (USD) international specialty group founded in 1919. The group provides solutions for global needs in food, agriculture and water management and primarily serve customers in construction, agriculture, industry and health and consumer goods end markets.
Its fields of expertise are:
  • Sulphur-based specialty fertilizers, sulfur derivatives and crop protection
  • Gelatin and processing of Bio-residuals
  • Potassium Sulphate fertilizers and Feed Phosphates
  • Plastic Pipe systems and Profiles
  • Water treatment products and services, organic chlorine derivatives, intermediates and active ingredients for the pharmaceutical industry and compounds 
Tessenderlo group employs about 4,800​ people and is a leader in most of its markets, with a consolidated revenue of 1.4 billion EUR in 2014.
TKI's capabilities were designed to serve you.
TKI employs a global network of formulation technologists, active ingredient suppliers, and specialized marketing partners, all with unique capabilities to develop exceptional product offerings. Teams of technical and administrative professionals work together in strategic geographic locations and within diverse business units.
As part of Tessenderlo Group, Tessenderlo Kerley has the resources to continue developing quality products that complement their core business delivering...
a tradition of innovative solutions.