I did mine through ICEA, but really no longer feel connected with that group and let mine go. I also certified with a local State program, that is still working for me, and it was patterned after Lamaze Int'l and ICEA.
Now I am a CD with DONA and did my Certified Lactation Educator with
http://www.cappa.net CAPPA. CAPPA is really great, and has distance programs now too.
My favorite groups for CBE are CBI, CAPPA, Lamaze and ALACE. Good Luck!