In our 29-criterion evaluation of master data management (MDM) providers, we identified the 12 most significant ones — BackOffice Associates, EnterWorks, IBM, Informatica, Magnitude Software, Pitney Bowes, Reltio, Riversand, SAP, Semarchy, Stibo Systems, and TIBCO Software — and researched, analyzed, and scored them. This report shows how each provider measures up and helps enterprise architecture (EA) professionals select the right one for their needs.