| 2003 BOSS Winners Report | 
| Place | Subcategory | Name | City | Club | 
| AMERICAN LAGER | 
| 1ST | BOS3 | 068 | Classic American Pilsner | Jerry Sadowski & Tom Sadowski | Crete, IL | BOSS | 
| 2ND | 059 | Light/Standard/Premium | Ted Grudzinski | Villa Park, IL | Urban Knaves of Grain (UKG) | 
| 3RD | 050 | Classic American Pilsner | Rick Georgette | West Bloomfield, MI | 
| AMERICAN PALE ALES | 
| 1ST | 045 | American Pale Ale | Dan Humphrey | Rockford, MI | Primetime Brewers | 
| 2ND | 023 | American Amber Ale | Joe Formanek | Bolingbrook, IL | Urban Knaves of Grain (UKG) | 
| 3RD | 060 | California Common Beer | Ted Grudzinski | Villa Park, IL | Urban Knaves of Grain (UKG) | 
| BARLEYWINE AND IMPERIAL STOUT | 
| 1ST | 064 | Russian Imperial Stout | Jerry Sadowski & Tom Sadowski | Crete, IL | BOSS | 
| 2ND | 147 | Russian Imperial Stout | Lee Mayer | Oak Forest, IL | BOSS | 
| 3RD | 029 | Russian Imperial Stout | Scott Lasky | Vernon Hills, IL | BABBLE | 
| BITTERS & SCOTTISH ALE | 
| 1ST | 038 | Ordinary Bitter | Kevin Spealman | Glen Ellyn, IL | Urban Knaves of Grain (UKG) | 
| 2ND | 129 | Special or Best Bitter | Chris Ingermann | Muncie, IN | 
| 3RD | 034 | Special or Best Bitter | Doug Newberry | Batavia, IL | Silverado Homebrew Club | 
| BOCK | 
| 1ST | BOS1 | 048 | Doppelbock | Rick Georgette | West Bloomfield, MI | 
| 2ND | 042 | Traditional Bock | Dan Humphrey | Rockford, MI | Primetime Brewers | 
| 3RD | 015 | Doppelbock | Dave Persenaire | Tinley Park, IL | BOSS | 
| BROWN ALE | 
| 1ST | 071 | Southern English Brown | Darrell Proksa | Downers Grove, IL | Urban Knaves of Grain (UKG) | 
| 2ND | 037 | American Brown Ale | Joe Formanek | Bolingbrook, IL | Urban Knaves of Grain (UKG) | 
| 3RD | 021 | Mild | Sylvia Banach | New Lenox, IL | BOSS | 
| CIDERS | 
| 1ST | BOM2 | 104 | New England-Style Cider | Jay Lubinsky | Orland Park, IL | BOSS | 
| 2ND | 126 | Standard Cider and Perry | Steve Conner | Wingo, KY | Music City Brewers | 
| 3RD | 065 | Standard Cider and Perry | Jerry Sadowski & Tom Sadowski | Crete, IL | BOSS | 
| Place | Subcategory | Name | City | Club | 
| ENGLISH AND SCOTTISH STRONG ALE | 
| 1ST | 055 | Strong Scotch Ale (Wee | Michael Uchima | Naperville, IL | Urban Knaves of Grain (UKG) | 
| 2ND | 132 | Strong Scotch Ale (Wee | John Blichmann | Lafayette, IN | Tippecanoe Homebrewers | 
| 3RD | 138 | Old Ale | John Blichmann | Lafayette, IN | Tippecanoe Homebrewers | 
| ENGLISH PALE ALE & IPA | 
| 1ST | BOS2 | 032 | Joe Formanek | Bolingbrook, IL | Urban Knaves of Grain (UKG) | 
| 2ND | 031 | Strong Bitter/English Pale | Joe Formanek | Bolingbrook, IL | Urban Knaves of Grain (UKG) | 
| 3RD | 022 | Strong Bitter/English Pale | Zbig Banach | New Lenox, IL | BOSS | 
| EUROPEAN AMBER & DARK LAGER | 
| 1ST | 006 | Oktoberfest/Maerzen | Lita Proksa | Downers Grove, IL | Urban Knaves of Grain (UKG) | 
| 2ND | 136 | Munich Dunkel | Brian Bethke | Mokena, IL | BOSS | 
| EUROPEAN PALE LAGER | 
| 1ST | 017 | Dortmunder Export | Dave Hahne | Glen Ellyn, IL | Urban Knaves of Grain (UKG) | 
| 2ND | 069 | Northern German Pilsner | Jerry Sadowski & Tom Sadowski | Crete, IL | BOSS | 
| 3RD | 115 | Bohemian Pilsner | John Blichmann | Lafayette, IN | Tippecanoe Homebrewers | 
| FRUIT & SPICED BEERS | 
| 1ST | 151 | Cherry Russian Imperial Stout | John Dalton | New Lenox, IL | BOSS | 
| 2ND | 016 | Blonde ale w/strawberry and | Dave Hahne | Glen Ellyn, IL | Urban Knaves of Grain (UKG) | 
| 3RD | 124 | Raspberry flavoring | Steve Conner | Wingo, KY | Music City Brewers | 
| KOELSCH & ALTBIER | 
| 1ST | 135 | Koelsch-Style Ale | Chris Ingermann | Muncie, IN | 
| 2ND | 010 | Duesseldorf Altbier | Michael Tollefson | Hainesville, IL | BABBLE | 
| 3RD | 066 | Northern German Altbier | Jerry Sadowski & Tom Sadowski | Crete, IL | BOSS | 
| LIGHT ALE | 
| 1ST | 111 | American Wheat | Jeff Carlson | Grand Rapids, MI | Primetime Brewers | 
| 2ND | 098 | American Wheat | Chris Sheridan | Grand Rapids, MI | Primetime Brewers | 
| MEADS | 
| 1ST | BOM1 | 030 | Varietal Honey Traditional | Joe Formanek | Bolingbrook, IL | Urban Knaves of Grain (UKG) | 
| Place | Subcategory | Name | City | Club | 
| 2ND | BOM3 | 062 | Metheglin | Jerry Sadowski & Tom Sadowski | Crete, IL | BOSS | 
| 3RD | 061 | Other Fruit Melomel | Jerry Sadowski & Tom Sadowski | Crete, IL | BOSS | 
| PORTER & STOUT | 
| 1ST | 020 | Brown Porter | Sylvia Banach | New Lenox, IL | BOSS | 
| 2ND | 024 | Foreign Extra Stout | Joe Formanek | Bolingbrook, IL | Urban Knaves of Grain (UKG) | 
| 3RD | 131 | Brown Porter | Chris Ingermann | Muncie, IN | 
| SMOKED & SPECIALTY BEER | 
| 1ST | 118 | Other Smoked Beer | Tony Kuligowski | Evergreen Park, IL | Homebrewer's Pride of the | 
| 2ND | 028 | Russian Imp stout with | Scott Lasky | Vernon Hills, IL | BABBLE | 
| 3RD | 056 | So. English Brown w/hazelnut | Michael Uchima | Naperville, IL | Urban Knaves of Grain (UKG) | 
| STRONG BELGIAN ALES | 
| 1ST | 047 | Tripel | Rick Georgette | West Bloomfield, MI | 
| 2ND | 103 | Belgian Strong Golden Ale | Robert Donahue | Tinley Park, IL | BOSS | 
| 3RD | 081 | Belgian Strong Golden Ale | Ron Stazuk | Palos Hills, IL | Urban Knaves of Grain (UKG) | 
| WHEAT BEER, BELGIAN & FRENCH ALES | 
| 1ST | 093 | Bavarian Weizen | Ray Steinhart | Tinley Park, IL | BOSS | 
| 2ND | 117 | Belgian Specialty Ale | Tony Kuligowski | Evergreen Park, IL | Homebrewer's Pride of the | 
| 3RD | 083 | Weizenbock | Ron Stazuk | Palos Hills, IL | Urban Knaves of Grain (UKG |