| Year | Medal | Brew | Brewery | Location |
|---|---|---|---|---|
| 1996 | Gold | Old Rasputin | North Coast Brewing Company | Fort Bragg, California |
| Silver | Imperial Stout | Wiibroes Brewery | Elsinore, Denmark | |
| Bronze | Centennial Russian Imperial Stout | Trinity Brewhouse | Providence, Rhode Island | |
| 1998 | Gold | Ruffian Imperial Stout | Mt. Valley Brewpub | Suffern, New York |
| Silver | Old Rasputin | North Coast Brewing Company | Fort Bragg, California | |
| Bronze | Inkwell Extra Stout Cottage | Offshore Ale Company | Oak Bluffs, Massachusetts | |
| 2000 | Gold | Imperial Stout | Rogue Ales | Newport, Oregon |
| Silver | Imperial Porter | Uehara Shuzuo Company | Niigata, Niigata, Japan | |
| Bronze | Warhead Stout | Thunder Canyon Brewery | Tucson, Arizona | |
| 2002 | Gold | Imperial Stout | Rogue Ales | Newport, Oregon |
| Silver | Black Chocolate Stout | Brooklyn Brewery | Brooklyn, New York | |
| Bronze | Old Rasputin | North Coast Brewing Company | Fort Bragg, California | |
| 2004 | Gold | Kappler Stout | Etna Brewing Company | Etna, California |
| Silver | High Desert Imperial Stout | Great American Restaurants | Centreville, Virginia | |
| Bronze | Imperial Oatmeal Stout | Boundary Bay Brewery & Bistro | Bellingham, Washington | |
| 2006 | Gold | Blackout Stout | Great Lakes Brewing Company | Cleveland, Ohio |
| Silver | Night Rider Imperial Stout | Pizza Port | Carlsbad, California | |
| Bronze | Russian Imperial Stout | Iron Hill Brewery & Restaurant | Wilmington, Delaware | |
| 2008 | Gold | Black Chocolate Stout | Brooklyn Brewery | Brooklyn, New York |
| Silver | High Desert Imperial Stout | Great American Restaurants | Centreville, Virginia | |
| Bronze | Blackout Stout | Great Lakes Brewing Company | Cleveland, Ohio |