The following is a list of Oregon-based breweries and microbreweries. The list partially includes the number of barrels sold as of 2003, based on information from the Oregon Liquor Control Commission .

• Deschutes Brewery, Bend, 62,018 barrels
• Widmer Brewing, Portland, 58,139 barrels
• Portland Brewing, Portland, 23,935 barrels
• BridgePort Brewing, Portland, 22,983 barrels
• Rogue Ales, Newport, 8,437 barrels
• McMenamins, scattered throughout Oregon and Vancouver, Washington, based in Portland
• Full Sail Brewing Company, Hood River
• Nor'Wester, Lake Oswego
• MacTarnahan's Brewing, Portland
• Hair of the Dog Brewing, Portland
• Rock Bottom Brewing, Portland
• Umpqua Brewing, Roseburg