powder coat

I know there are a few of us from WI on this forum, so I was just wondering who you have used for powder coaters, anodizers , platers. Where are they located. And what kind of price. Is prep included? Maybe we could get a thread going and sticky'd with coaters and anodizers. I have used...

Is it safe to powder coat hubs? I know plenty of people do it but you need to heat the parts to about 400+ degrees during the process. I've read that it's hot enough to do something to aluminum hubs and will slightly weaken them. Also, I've read you shouldn't powder coat cylinders because...