Boston Felt Company, Inc
USA. Needlepunch and pressed felt fabrics and products for a variety of technical and industrial purposes, from natural and man-made fibers and blends thereof. Includes technical and end-use information. The site is also available in Japanese.
http://www.edwardhbest.com/products.htm
http://www.gebr-roeders-ag.de/
http://www.nationalnonwovens.com
http://www.sutherlandfelt.com/
http://www.westernfeltandfiber.com/