Kim's Crane  
   Supplier of origami books and beautiful papers from around the world. Online shopping.
   http://www.kimscrane.com/

L Paper Design  
   Paper folding craft for greeting cards and scrapbooks.
   http://www.lpaperdesigns.com/lp/lp-main.htm

Japanese Paper and Origami Supplies  
   Offers a wide selection of paper and books plus Japanese washi and yuzen paper.
   http://www.origami.com.au/

Paper Jade  
   Offer handmade and regular origami paper from Japan.
   http://www.paperjade.com/

Folded Square  
   Supplier of a range of Origami-based products available worldwide.
   http://www.foldedsquare.co.uk/

Origamido  
   Offers a range of design, production, and instructional services and products for origami and the paper arts.
   http://www.origamido.com/

Origami Papers UK  
   A catalogue of papers from single plain colour to handmade washi. Also has a brief explanation about origami origin and uses.
   http://www.origamipapers.co.uk