Anyone recommend a place where I would be able to acquire some of this.

Thinking this sort of thing.
http://www.greenpowerscience.com/SHOPREFLECTIVEBUY.html

I am making a parabolic mirror out of a satellite dish and a small steam engine for poops n chuckles.

??
http://www.acrosolarlasers.com/mirror.html
??

Preferably looking for something in the country though.

I was thinking maybe a window tinting company might be a good start.

Steam powered computer lol