Классификатор Brewers Association http://www.beertown.org/
Классификатор выходит с 1993 года.
Здесь приведена классификация 2006 года (в аттаче полный текст классификатора)
К этому классификатору имеют отношение Большой Американский Пивной Фестиваль (Great American Beer Festival) и судьи Мирового Кубка Пива (World Beer Cup).
1. Ale Styles
1.1. British Origin
1.1.1. Classic English-Style Pale Ale
1.1.2. English-Style India Pale Ale
1.1.3. Ordinary Bitter
1.1.4. Special Bitter or Best Bitter
1.1.5. Extra Special Bitter or Strong Bitter
1.1.6. English Summer Ale
1.1.7. Scottish-Style Light Ale
1.1.8. Scottish-Style Heavy Ale
1.1.9. Scottish-Style Export Ale
1.1.10. English-Style Pale Mild Ale
1.1.11. English-Style Dark Mild Ale
1.1.12. English-Style Brown Ale
1.1.13. Old Ale
1.1.14. Strong Ale
1.1.15. Strong Scotch Ale
1.1.16. Imperial Stout
1.1.17. Other Strong Ales or Lagers
1.1.18. Other Low Strength Ales or Lagers
1.1.19. English-Style Barley Wine Ale
1.1.20. Robust Porter
1.1.21. Brown Porter
1.1.22. Sweet Stout
1.1.23. Oatmeal Stout
1.2. Irish Origin
1.2.1. Irish-Style Red Ale
1.2.2. Classic Irish-Style Dry Stout
1.2.3. Foreign (Export)-Style Stout
1.2.4. Porter See British Origin
1.3. North American Origin
1.3.1. American-Style Pale Ale
1.3.2. American-Style Strong Pale Ale
1.3.3. American-style India Pale Ale
1.3.4. Imperial or Double India Pale Ale
1.3.5. American-Style Amber/Red Ale
1.3.6. Imperial or Double Red Ale
1.3.7. American-Style Barley Wine Ale
1.3.8. Golden or Blonde Ale
1.3.9. American-Style Brown Ale
1.3.10. American-Style Stout
1.3.11. Specialty Stouts
1.3.12. Porter
1.4. German Origin
1.4.1. German-Style Kölsch/Köln-Style Kölsch
1.4.2. German-Style Brown Ale/Düsseldorf-Style Altbier
1.4.3. Berliner-Style Weisse (Wheat)
1.4.4. South German-Style Hefeweizen/Hefeweissbier
1.4.5. South German-Style Kristal Weizen/Kristal Weissbier
1.4.6. German-Style Leichtes Weizen/Weissbier
1.4.7. South German-Style Bernsteinfarbenes Weizen/Weissbier
1.4.8. South German-Style Dunkel Weizen/Dunkel Weissbier
1.4.9. South German-Style Weizenbock/Weissbock
1.4.10. Kellerbier (Cellar beer) or Zwickelbier
1.5. Belgian and French Origin
1.5.1. Belgian-Style Flanders/Oud Bruin or Oud Red Ales
1.5.2. Belgian-Style Dubbel
1.5.3. Belgian-Style Tripel
1.5.4. Belgian-Style Pale Ale
1.5.5. Belgian-Style Pale Strong Ale
1.5.6. Belgian-Style Dark Strong Ale
1.5.7. Belgian-Style White (or Wit)/Belgian-Style Wheat
1.5.8. Belgian-Style Lambic
1.5.9. Belgian-Style Gueuze Lambic
1.5.10. Belgian-Style Fruit Lambic
1.5.11. Belgian-Style Table Beer
1.5.12. Other Belgian-Style Ales
1.5.13. French-Style Bière de Garde
1.5.14. French & Belgian-Style Saison
2. Lager Beer Styles
2.1. European Germanic Origin
2.1.1. German-Style Pilsener
2.1.2. Bohemian-Style Pilsener
2.1.3. European-Style Pilsener
2.1.4. European Low-Alcohol Lager/German Leicht(bier)
2.1.5. Münchner-Style Helles
2.1.6. Dortmunder/European-Style Export
2.1.7. Vienna-Style Lager
2.1.8. German-Style Märzen/Oktoberfest
2.1.9. European-Style Dark/Münchner Dunkel
2.1.10. German-Style Schwarzbier
2.1.11. Bamberg-Style (Smoke) Rauchbier Lager
2.1.12. Traditional German-Style Bock
2.1.13. German-Style Heller Bock/Maibock
2.1.14. German-Style Strong Doppelbock
2.1.15. German-Style Strong Eisbock
2.2. North American Origin
2.2.1. American Lager
2.2.2. American-Style Light Lager
2.2.3. American-Style Low-Carbohydrate Light Lager
2.2.4. American-Style “Light” Amber Lager
2.2.5. American-Style Premium Lager
2.2.6. American-Style Pilsener
2.2.7. Dry Lager
2.2.8. American Ice Lager
2.2.9. American Malt Liquor
2.2.10. American-Style Amber Lager
2.2.11. American-Style Märzen/Oktoberfest
2.2.12. American Dark Lager
2.3. Other Origin
2.3.1. Baltic Porter
2.3.2. Australasian, Latin American or Tropical-Style Light Lager
2.3.3. Dry Beer (Japanese)
3. Hybrid/Mixed Beer Styles
3.1. Other Origin
3.1.1. American Cream Ale or Lager
3.1.2. California Common Beer
3.1.3. Japanese Sake-Yeast Beer
3.1.4. Light American Wheat Ale or Lager with Yeast
3.1.5. Light American Wheat Ale or Lager without Yeast
3.1.6. Dark American Wheat Ale or Lager with Yeast
3.1.7. Dark American Wheat Ale or Lager without Yeast
3.1.8. American Rye Ale or Lager with or without Yeast
3.1.9. German-Style Rye Ale (Roggenbier) with or without Yeast
3.1.10. Fruit Beers
3.1.11. Flavored Malt-Fermented Beverages
3.1.12. Vegetable Beers
3.1.13. Chocolate/Cocoa-Flavored Beers
3.1.14. Coffee-Flavored Beers
3.1.15. Herb and Spice Beers
3.1.16. Specialty Beers
3.1.17. Specialty Honey Lagers or Ales
3.1.18. Gluten-free Beers
3.1.19. Smoke-Flavored Beer (Lager or Ale)
3.1.20 Experimental Beer (Lager or Ale)
3.1.21. Wood- and Barrel-Aged Beer
3.1.22. Non-Alcoholic (Beer) Malt Beverages
3.1.23. Alcohol-Free Malt Tonic