The company John S. Mattheou Sons OE (JSM) was found by engineer John S. Mattheou ex military ordnance officer in 1983. Since 1983, JSM provides with success its services in the sector of Transport, Shipping, Industry and it has contracted collaborations with specialised factories around the world. It is based in privately-owned offices and deposits in Thrakomakedones Athens Greece. Our mission “ Satisfy our customers by Supplying OEM parts & provide after sales service ”