3 links
Turbo Yeast
distillery-yeast.com
Offers extremely alcohol-tolerant yeast and complex nutrients that quickly ferment mash into alcohol.
White Labs
hitelabs.com
Manufactures liquid yeast for brewers. Includes recipes, yeast database, newsletter, homebrewer information and links, FAQ, and testimonials.
Wyeast Laboratories, Inc.
yeastlab.com
Produces yeast for beer and wine making. Products, FAQ, company history and information about yeast.