Opposition Brewing Company - Medford (OR)
Ordnance Brewing - Boardman (OR)
Oregon City Brewing Company - Oregon City (OR)
Oregon Trail Brewery - Corvallis (OR)
Old Town Brewing - Portland (OR)
Old Market Pub and Brewery - Portland (OR)
Old 99 Brewing Company - Roseburg (OR)
Off the Rail Brewery - Forest Grove (OR)
Oak Hills Brewing - Portland (OR)
Oakshire Brewing - Eugene (OR)
Oblivion Brewing Company - Bend (OR)
Occidental Brewing - Portland (OR)
Ninkasi Brewing Company - Eugene (OR)
Mystic Roots Brewing - Terrebonne (OR)
Mt. Hood Brewing Co. - Ice Axe Grill - Government Camp (OR)
Mt. Tabor Brewing Company - portland (OR)
Moonshrimp Brewing - Portland (OR)
Monkless Belgian Ales - Bend (OR)
Montavilla Brew Works - Portland (OR)
Migration Brewing Company - Portland (OR)
Mia and Pia's Pizzeria-Brewhouse - Klamath Falls (OR)
McMenamins Brewery (Corporate Location) - Troutdale (OR)
Max's Fanno Creek Brew Pub - Portland (OR)
Mazama Brewing Company - Corvallis (OR)
Market Street Pub and Brewery - Portland (OR)
Manifest Beer Company - Eugene (OR)
MacTarnahan's Brewing Company - Portland (OR)
Madcow Brewing Company - Portland (OR)
Lucky Labrador Brewing - Portland (OR)
Lompoc Brewing, LLC/ The 5th Quadrant - Portland (OR)
