SAP is #1 in the ERP market .As of 2010, SAP has more  than 140,000 installations worldwide ,over 25 industry-specific business solutions, and more than 75,000 customers in 120 countries.

SAP stands for Systems Applications and Products in Data Processing.It was Founded in 1972 by Wellenreuther, Hopp, Hector, Plattner and Tschira.

SAP is both the name of both the Company and their ERP Product.SAP system comprises of a number of fully integrated modules, which covers virtually every aspect of the business management.

Other Competiting products in market are  Oracle, Microsoft Dynamics etc.