Yeasts: A group of microorganisms which reproduce by budding. They are used in fermenting some foods and in leavening breads
Wyeast Laboratories, Inc.
Produces yeast for beer and wine making. Products, FAQ, company history and information about yeast.
White Labs
Manufactures liquid yeast for brewers. Includes recipes, yeast database, newsletter, homebrewer information and links, FAQ, and testimonials.
Turbo Yeast
Offers extremely alcohol-tolerant yeast and complex nutrients that quickly ferment mash into alcohol.
http://www.distillery-yeast.com/
http://www.distillery-yeast.com/
Lesaffre Yeast
Producers of yeast, yeast extracts, malt and a variety of bioconversions for the food and animal feed industry.
http://www.lesaffre.com/default_eng.asp
http://www.lesaffre.com/default_eng.asp
Crown Yeast Company Ltd.
Manufacturers of instant and active dried baking yeast for the bakery trade; exported worldwide.