Tessenderlo Kerley
Tessenderlo Kerley, Inc (TKI) headquartered in Phoenix, Arizona (US), produces sulphur-based liquid specialty fertilizers (including ammonium, potassium, calcium and magnesium thiosulphate) that are used worldwide as fertilisers for cereal and broad-acre crops, and for arboricultural and vegetable crop cultivation. Other sulphur derivatives are used for widely differing industrial applications including; mining, water and waste-water treatment, soil remediation and a wide range of chemical processes.
TKI focuses on supplying environmental services by processing by-products from petroleum, gas and selected industrial operations such as mining and turning these orphaned streams into added-value products.
TKI also develops and distributes regulated crop protection chemistries through its NovaSource business unit. NovaSource serves all areas of regulated chemical market including agriculture, horticulture, turf, forestry, aquatic, structural pest control and biocides.
| Tessenderlo Kerley | Production units | Main products |
|---|---|---|
| Belgium | Tessenderlo Chemie Ham | calcium and potassium thiosulphate |
| North America | Tessenderlo Kerley (Phoenix)
TKI has sales offices in Mexico, Lebanon and Chile. | liquid sulphur fertilisers: ammonium, calcium,
magnesium and potassium thiosulphate, crop protection products; slow release nitrogen solutions, sulphur based solutions and MPR services |
| Turkey | Tessenderlo Agrochem (TA). | plant nutrient solutions including KTS®, NZN®, KPS™, MagThio© and NFE® |



