Went through this myself already.
http://www.the75andztclub.co.uk/foru...ad.php?t=81004
Tried one company abroad, but they didn't look good at all IMO.
There is a company round the corner from me that do resin badges. I approached them about doing these. They were very helpful, but the initial set up costs are more than I can manage on my own.
http://www.storm-graphics.co.uk/