Cindy Hamilton wrote:

> We don't have perry in the U.S., except possibly as a specialty
> product
> at extremely low volumes. I've never seen it, although I can't say
> I've
> looked.

It does look like it is rare in the USA and it tends to be called "pear
cider". Here are a couple of producers:
<http://www.fishbrewing.com/spire-mountain-cider/pear-cider/>
<http://www.woodchuck.com/woody/wp-content/themes/woodchuck-2/images/lb/cider-styles/pear.jpg>

Victor