SAP AG (ISIN: DE0007164600, FWB: SAP, NYSE: SAP) is a German software corporation that provides enterprise software applications and support to businesses of all sizes globally. Headquartered in Walldorf, Germany, with regional offices around the world, SAP is the largest enterprise software company in the world (as of 2009).[2] It is also the largest software company in Europe and the fourth largest globally.[3] The company's best known products are its SAP Enterprise Resource Planning (SAP ERP) and SAP BusinessObjects software.