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
Calvert Brewing Co.	MD-CALV	2015-2024	Upper Marlboro	7
Carling Brewing Co.	MD-CARL	1961-1975	Baltimore	68
Carling National Breweries, Inc.	MD-CARMD	1975-1979	Baltimore	61
Chesapeake Bay Brewing Co.	MD-CBBC	2001-2003	La Plata	1
Checkerspot Brewing	MD-CHEC	2018-	Baltimore	8
Chesapeake Brewing Corp.	MD-CHES	1937-1938	Baltimore	2
Chick Brewing Co	MD-CHIC	2011-	Easton	1
Clay Pipe Brewing Co	MD-CLAY	2002-2006	Westminster	5
Clipper City Brewing Co.	MD-CLP	1995-	Baltimore, Helethorpe	134
Crooked Crab Brewery	MD-CROO	2018-	Odenton	9
Cult Classic Brewing	MD-CULT	2018-	Stevensville	6
Cumberland Brewing Co.	MD-CUMB	1890-1969	Cumberland	167
Cushwa Brewing Company	MD-CUSH	2016-	Williamsport	6
Maryland brewers with coasters:				13
Alternate brewer referencess:
total record count:				13