Chicken Run

http://www.easy-garden.com/chicken.htm

Egg Cart'n

http://www.eggcartn.com/

Chick-N-Barn

Manufactured by Ware and available at many locations. Here's one friendly dealer. Also other hutches available.

http://www.critter-cages.com/

Here's the entire lineup (please report if link breaks)

http://www.waremfginc.com/products.asp?p=6

Eglu

http://www.omlet.us/

Backyard Farming

http://www.backyardfarming.com/

Henpsa

http://www.henspa.com/

Coops 4 You

http://www.coops4you.com/