Yeasts

Crown Yeast Company Ltd.
Manufacturers of instant and active dried baking yeast for the bakery trade; exported worldwide.
http://www.crownyeast.co.uk/

Lallemand
Canadian based producer of yeast and bacteria serving international baking, wine, brewing, food, agriculture, human nutrition and pharmaceutical industries.
http://www.lallemand.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/

Levapan
Specializes in yeast extracts and canned preserves. Company history, products and distribution details.
http://www.levapan.com/

Springer
Offers a wide range of yeast products for food flavouring, fermentation, health foods, and wine making.
http://www.springer.fr/uk/index.php?langue=uk

Turbo Yeast
Offers extremely alcohol-tolerant yeast and complex nutrients that quickly ferment mash into alcohol.
http://www.distillery-yeast.com/

White Labs
Manufactures liquid yeast for brewers. Includes recipes, yeast database, newsletter, homebrewer information and links, FAQ, and testimonials.
http://www.whitelabs.com/

Wyeast Laboratories, Inc.
Produces yeast for beer and wine making. Products, FAQ, company history and information about yeast.
http://www.wyeastlab.com/