Enterprise architecture (EA) organizations often toil out of the limelight — helping their firms improve business-IT alignment, rationalize their application portfolio, and guide their use of technology. Forrester teamed up with InfoWorld to identify five leading EA organizations whose practices yield measurable business value. Discover Financial Services stands out for how it built on an EA repository to tie together enterprise program management, IT governance, and EA — and realized savings and cost avoidance of $4.4 million in 2009.