A microbrewery makes 15,000 barrels of beer per year and sells 75+ percent of its beer off-site.
A brewpub is a combination restaurant and brewery that sells 25 percent or more of its own beer on-premise, with food.
A regional brewery has annual beer production of between 15,000 and 2 million barrels.
Some regional breweries are hired as contract brewers to make and market other private-label brands for brewpubs.