Industias Oleoquímicas S.A. de C.V. (IOSA) produces polyester polyols, adhesives and coatings. Customers of IOSA are in the following markets: shoe sole, wheels, and other elastomeric parts industries as well as a broad range of polyester polyols for the rigid polyurethane foam industry. IOSA´s products are based on PET, adipic acid and ftalic anhydride. IOSA´s manufacturing plant is located in Tenango, Edo. de México; 1 hour southwest of Mexico City.