Identifying Brand of Vinyl Siding

I've read some other threads and realize this is a much more challenging question that it would seem, however I'm hoping maybe I get lucky and someone will recognize this vinyl siding. It's probably circa. 2003-2008. I brought it to two local supply houses, neither of which could identify it or had anything that matched. They both mentioned it seemed like a better built heavier-duty panel. It's a double-4inch, w/ a 3/4" rise. One supply hosue said the 3/4" rise is not so common, the other supply house said the nailing fin folding over in the direction it does is not so common either. I'm hoping with these few features perhaps someone could identify the brand. Here is a link to pictures: https://www.flickr.com/photos/varuzzo/sets/72157652695163351