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
Pratt Street Ale House	See: Oliver Brewing Co. (MD-OLV)
Pub Dog Brewing Co.	MD-DOGB	2006-	Westminster	6
Patriot Acres Farm Brewery	MD-PATR	2018-	Sudlersville	3
Patuxent Brewing Co	MD-PATU	2019-2023	Waldorf	3
Peabody Heights Brewery	MD-PEAB	2012-	Baltimore	13
Peoples Service Co.	MD-PEOP	1934-1934	Frederick	1
Pickett Brewing Company	MD-PICK	2022-	Baltimore	2
Pipe The Side Brewing Company	MD-PIPE	2018-	Hampstead	2
Pooles Island Brewing	MD-POOL	2019-	Middle River	3
Public Works Ale	MD-PUBL	2012-2015	Baltimore	3
Maryland brewers with coasters:				9
Alternate brewer referencess:				1
total record count:				10