Jsm. John S. Mattheou Sons O.e. is a speciallisisng in rolling stock spare parts.We represent, co-operate with a large number of european manufacturers specialising in relling stock parts and sub assemblies.We offer a wide range of rolling stock parts, bogies & spare parts, car body parts, aircondition parts, electric, elektronic parts, custome made to drawings parts etc.Approved supplier of ose (greek railways), listed in kcr supplier list.