This just popped up on my Google Alerts. I have no idea how credible the source is. It appears to be about the second bead agreement with Merck. What is not clear is if Cardiogenics is the exclusive supplier or just one of a few or many.
http://www.in-pharmatechnologist.com/Processing-QC/CardioGenics-biologics-beads-to-change-antibody-extraction-landscape