- May, 2009
Seattle International Film Festival
- May, 21 2009 Billy O Wines donated Mazie Chardonnay to the Seattle International Film Festival.
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- May, 2009
The Leukemia and Lymphoma Society
- May, 8 2009 Billy O Wines donated select cases for the 25th Annual Seattle Celebrity Waiters Luncheon benefitting The Leukemia and Lymphoma Society.
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- April, 2009
FareStart
- April 2, 2009 Billy O Wines and Dunham Cellars Winemakers Dinner at the Space Needle. Benefiting FareStart, this sold out winemakers dinner featured Mazie Chardonnay and select wines from Dunham Cellars.
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- November, 2008
Washington State Chapter of the Cystic Fibrosis Foundation
- November, 1 2008 Billy O Wines donated 65 cases of Roses Rosé at the 25th annual Cystic Fibrosis Foundation Breath of Life Gala and auction.
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- October, 2008
Seniors Making Art
- October, 25 2008 Billy O Wines donated 25 cases of Mazie Chardonnay at the 13th annual Seniors' Making Art's Black tie Gala.
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