This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Who are all the different vendors providing this certification and which is better?
There is a link to exam centers on the OMG Website. I can't tell which is better. The only thing these exam centers do, is provide you a location and a computer where you can do the certification, in a controled environment. It does not make a difference which one you choose.