For an overview of this statistic (and the point guard numbers), click here. I ran the numbers for centers, and here are the top 10 in EPM:

Tim Duncan (0.781)
Dwight Howard (0.730)
David Lee (0.720)
Andrew Bogut (0.665)
Marcus Camby (0.644)
Nazr Mohammed (0.625)
Joakim Noah (0.620)
Samuel Dalembert (0.619)
Andrew Bynum (0.616)
Brook Lopez (0.616)

Next 5: Jefferson, M. Gasol, Shaq, Horford, Nene

Mohammed is the only player in the top 15 playing less than 20 minutes per game. He’s averaging 8-5 and almost a block per game in 17.1 minutes…Andrew Bogut is having something of a breakthrough year, averaging 16-10 with 2.3 blocks per game…Who are the bottom five Cs playing more than 25 minutes per game? 1. Ben Wallace, 2. Channing Frye, 3. Mehmet Okur, 4. Spencer Hawes and 5. Andrea Bargnani.

Photo from fOTOGLIF