American Leather Chemists Association
		American Meat Institute
		Asociación Química Española de la Industria del Cuero (AQEIC)
		BLC Leather Technology Centre Ltd.
		Brasilian Society
		Central Leather Research Institute
		China Leather industry Association (CLIA)
		Colombian Leather Society (ACOLCUR)
		CSIC (Barcelona, Spain)
		CTC (Centre Technique du Cuir)
		Greek Society (ELKEDE)
		Institute Quimic de Sarria (Barcelona, Spain)
		Leathernet
		Lederinstitut Gerberschule Reutlingen (LGR)
		International Leather Industry Directory
		ISO, International Organization for Standardization
		Leather Industries of America
		University of Northampton
		Society of Leather Technologists and Chemists (United Kingdom)
		Swiss Leather Society (VESLIC)
		Turkish Society
		U.S. Hides, Skin and Leather Association
		International Union of Shoe Industries Technicians
		USDA, Eastern Regional Research Center, Hides Lipids and Wool Research
		Verein fuer Gerberei-Chemie und -Technik (VGCT)