10 initial manufacturers, from Apple to TI.
"Several major mobile manufacturers, including Nokia, Apple and Research in Motion, have signed up for the universal charger initiative led by the Group Special Mobile Association (GSMA), according to Reuters.
[...]
The 10 cellphone manufacturers beginning Micro USB adoption in Europe are Apple, Nokia, Sony Ericsson, Motorola, LG , NEC, Qualcomm, Research In Motion, Samsung and Texas Instruments."
Europe Gets Universal Cellphone Charger in 2010
http://www.wired.com/gadgetlab/tag/microusb/