These are a few companys websites I've collected, and I thouhgt they might be useful to somebody.
Lehner-
www.lehner-motoren.de
Schultz-
www.schulze-elektronik-gmbh.com
BK-
www.bk-electronics.com
mgm-
www.mgm-compro.com
Castle Creations-
www.castlecreations.com
LRP-
www.lrp-electronic.de/e/main_frameset_e.htm
Novak-
www.teamnovak.com
Feigao-
www.feigao.com/sdp/85838/4/main-102731.html
JR-
www.jrradios.com
I'l and more over time. If you have any I missed please post up with the URL.:)