Founded in 1976 by John R. Arend, Inter-Chem is a diversified company with both domestic and international plant foods groups, an energy group and a bulk container group. With corporate headquarters in Tulsa, Oklahoma, Inter-Chem offers a depth of experience in the plant foods and agri-business industries. The four core business units of Inter-Chem include: international plant foods trade and distribution, domestic plant foods trade and distribution, trade of natural resources (specifically sulphur, coal and petroleum) and international packaging. Plant foods cover the full range of plant nutrient products, including phosphates, nitrogen, liquids and potash. Inter-Chem maintains its headquarters in Tulsa, Oklahoma.