List is updated every week:
New Leaf Paper :
New Leaf Paper (San Francisco) sells 100% post consumer waste recycled, Forest Stewardship Council Certified, processed chlorine free and Ancient forest friendly papers. (See their uncoated and offset papers.) They also have 100% recycled, 50% post consumer waste coated options.
Living tree paper co. from Eugene, Oregon sells recycled and tree-free papers. They hvae uncoated options that are 90% post consumer waste and 10% hemp/flax, as well as a variety of other options.
Ecopaper.com 100% tree free paper made from sugarcane (bagasse) wastes, tobacco and mango!