Brewery (Number of groups) (Click a Brewer to view coasters) Sort by brewer name	Code	Sort by Production Dates *RED = CLOSED*	Sort by city	Sort by count
Mountain State	See: Mountain State Brewing Company (WV-MNST)
Manor Hill Brewing	MD-MANR	2015-	Ellicott City	23
Market Street Public House	MD-MARK	2014-	Denton	2
Maryland Beer Company	MD-MARL	2018-	Elkton	5
Ministry Of Brewing	MD-MINI	2020-	Baltimore	1
Monument City Brewing Co.	MD-MNMT	2017-	Baltimore	15
Mobtown Brewing Co.	MD-MOBT	2019-	Baltimore	2
Mojo Highway Brewing Co	See: Frederick Brewing Co. (MD-FRD)
Monocacy Brewing Co.	MD-MONO	2012-	Frederick	10
Monumental Brewing Co.	MD-MONU	1900-1920	Baltimore	6
Mount Brewing Co.	MD-MOUN	1873-1899	Baltimore	1
Mully's Brewery	MD-MULL	2012-	Prince Frederick	12
Mount Vernon Brewing Co.	MD-MVER	1880s-1890s	Baltimore	1
Maryland brewers with coasters:				11
Alternate brewer referencess:				2
total record count:				19