| Year | Medal | Brew | Brewery | Location |
|---|---|---|---|---|
| 1996 | Gold | St. Charles Porter | Blackstone Restaurant & Brewery | Nashville, Tennessee |
| Silver | Haystack Black | Portland Brewing Company | Portland, Oregon | |
| Bronze | Porter | Stoddards Brewhouse boost Eatery | Sunnyvale, California | |
| 1998 | Gold | Black Jack Porter | Left Hand Brewing Company | Denver, Colorado |
| Silver | Black Butte Porter | Deschutes Brewery | Bend, Oregon | |
| Bronze | Possum Trot Brown Ale | 75th Street Brewery | Kansas City, Missouri | |
| 2000 | Gold | Porter | Willow Street Brewery | San Rafael, California |
| Silver | Porter | Concord Junction Brewing Company | Concord, Massachusetts | |
| Bronze | Black Butte Porter | Deschutes Brewery | Bend, Oregon | |
| 2002 | Gold | Chocolate Porter | Bayhawk Ales | Irvine, California |
| Silver | Exodus Porter | Sweetwater Brewing Company | Atlanta, Georgia | |
| Bronze | Pioneer Porter | Fredericksburg Brewing Company | Fredericksburg, Texas | |
| 2004 | Gold | Exodus Porter | Sweetwater Brewing Company | Atlanta, Georgia |
| Silver | Mount Diablo Porter | Pyramid Breweries, Inc. | Seattle, Washington | |
| Bronze | Bad Elmers Porter | Upland Brewing Company | Bloomington, Indiana | |
| 2006 | Gold | Old Grind Porter | Etna Brewing Company | Etna, California |
| Silver | Lazy Jake Porter | Long Valley Pub & Brewery | Long Valley, New Jersey | |
| Bronze | Total Disorder Porter | Big Horn Brewing Company | Seattle, Washington | |
| 2008 | Gold | Porter | Bell's Brewery, Inc. | Galesburg, Michigan |
| Silver | Cutthroat Porter | Odell Brewing Company | Fort Collins, Colorado | |
| Bronze | St. Charles Porter | Blackstone Restaurant & Brewery | Nashville, Tennessee |