Brewery (Number of groups)
(Click a Brewer to view coasters) | Sort by code | Sort by Production Dates
RED = CLOSED | Sort by city | Sort by count |
| 1623 Brewing Company | MD-1623 | 2018- | Eldersburg | 7 |
| 5th Company Brewing | MD-5THC | 2018- | Perryville | 3 |
| 7 Locks Brewing | MD-7LCK | 2015- | Rockville | 2 |
| AleCraft Brewery | MD-ALEC | 2017-2024 | Bel Air | 4 |
| American Brewery | MD-AMB | 1933-1973 | Baltimore | 118 |
| Antietam Brewery | MD-ANT | 2013- | Hagerstown | 23 |
| Assawoman Bay Brewing | MD-ASSA | 2014-2017 | Ocean City | 8 |
| Associated Breweries | MD-ASOC | 1936-1937 | Salisbury | 1 |
| B.C. Brewery | MD-BCBR | 2018- | Hunt Valley | 5 |
| Backshore Brewing Co. | MD-BACK | 2014-2021 | Ocean City | 12 |
| Baltimore Brewing | MD-BALTB | 1933-1935 | Baltimore | 8 |
| Baltimore Brewing Co. | MD-BALTC | 1989 - 2005 | Baltimore | 26 |
| Baltimore-Washington Beer Works (RavenBeer) | MD-BWB | 1997- | Baltimore | 46 |
| Bare Bones Grill & Brewery | MD-BBG | 1988- | Ellicott City | 6 |
| Barley and Hops Grill & Brewery | MD-BHG | 1999-2019 | Frederick | 9 |
| Bauernschmidt, Fred American Brewery | MD-BAUF | 1900-1920 | Baltimore | 2 |
| Bauerschmidt, Geo. Brewing Co. | MD-BAUE | 1887-1899 | Baltimore | 2 |
| Bawlmer Craft Beers | MD-BAWL | 2010-? | Baltimore | 2 |
| Bay View Brewing | MD-BAYV | 1876-1910 | Baltimore | 1 |
| Bayheads Brewing Co. | MD-BAYH | 2018-2021 | Chesapeake City | 4 |
| Baying Hound Aleworks | MD-BAYI | 2010-2016 | Rockville | 7 |
| Big Truck Farm & Brewery | MD-BIGT | 2016- | Parkton | 13 |
| Bis-Mac Manufacturing Co. | MD-BSMA | 1920-1922 | Baltimore | 1 |
| Bismarck Brewing | MD-BISM | 1934-1937 | Baltimore | 8 |
| Black Flag Brewing Co. | MD-BLAC | 2018- | Columbia | 5 |
| Bog Turtle Brewery | MD-BOGT | 2020- | Rising Sun | 1 |
| Brehm, Geo. | MD-BREH | 1866-1920 | Baltimore | 4 |
| Brewer's Alley | MD-BALY | 1996- | Frederick | 22 |
| Brewer's Art | MD-BART | 1996- | Baltimore | 22 |
| Brewmasters Brew Pub & Brick Oven Dining House | MD-BREW | 2001-? | Ocean City | 1 |
| Brimstone Brewing | MD-BMB | 1994-1997 | Baltimore | 13 |
| British Brewing Co | MD-BRIT | 1988-1990 | Glen Burnie | 4 |
| Brookeville Beer Farm | MD-BROO | 2016- | Brookeville | 5 |
| Brooklyn Brewing Co. | MD-BROK | 1934-1934 | Baltimore | 1 |
| Bruton Brewing | MD-BRUT | 1935-1940 | Baltimore | 17 |
| Bull & Goat Brewery | MD-BULL | 2016- | Centreville | 2 |
| Burley Oak Brewing Co. | MD-BURL | 2012- | Berlin | 45 |
| Burnish Beer Co. | MD-BURN | 2021- | Salisbury | 11 |
| 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 |
| Checkerspot Brewing | MD-CHEC | 2018- | Baltimore | 8 |
| Chesapeake Bay Brewing Co. | MD-CBBC | 2001-2003 | La Plata | 1 |
| 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 | 125 |
| 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 |
| Darley Park Brewing | MD-DARL | 1876-1912 | Baltimore | 1 |
| de Lazy Lizard | MD-DELZ | 2013-2015 | Ocean City | 1 |
| Deep Creek Brewing Co | MD-DEEP | 1999-2000 | Oakland | 3 |
| Dempseys Brew Pub | MD-DEM | 2012-2023 | Baltimore | 2 |
| Denizens Brewing Co | MD-DENZ | 2014- | Riverdale Park | 16 |
| Diamondback Brewing Co. | MD-DIAM | 2014- | Baltimore | 5 |
| Double Groove Brewing Co. | MD-DOUB | 2020- | Forest Hill | 5 |
| DuClaw Brewing Company (4) | MD-DUC | 1996-2023 | Baltimore | 143 |
| Dukehart Mfg. Co. | MD-DUKE | 1900-1913 | Baltimore | 3 |
| Eastern Shore Brewing | MD-EAST | 2008- | St. Michaels | 12 |
| Elder Pine Brewing Co. | MD-ELDE | 2018- | Gaithersburg | 4 |
| Elk River Brewing Co. | MD-ELKR | 2018- | Elkton | 9 |
| Ellicott Mills Brewing Co | MD-ELLI | 1997-2020 | Ellicott City | 18 |
| Evolution Craft Brewing Co | MD-EVOL | 2012- | Salisbury | 52 |
| Farmacy Brewing | MD-FARM | 2019- | Reisterstown | 1 |
| Festivals/Other in Maryland (13) | | ?- | Various | 44 |
| Fin City Brewing Co. | MD-FINC | 2012- | Ocean City | 20 |
| Firetower Farm Brewery | MD-FIRE | 2017-2020 | Colora | 7 |
| Flood Zone Brewery | MD-FLOO | 2020- | Union Bridge | 1 |
| Flying Dog Brewery | MD-FDOG | 2006- | Frederick | 155 |
| Fordham Brewing Co. | MD-FORD | 1995-2007 | Annapolis | 17 |
| Fort Pitt | See: American Brewery (MD-AMB) |
| Frank Steil Brewing | MD-FRAN | 1900-1920 | Baltimore | 4 |
| Franklins Brewery | MD-FRAK | 2002- | Hyattsville | 1 |
| Frederick Brewing Co. | MD-FRD | 1993-2006 | Frederick | 61 |
| Free State Brewery | MD-FRES | 1933-1950 | Baltimore | 49 |
| Frostburg Brewing Co. | MD-FROS | 1908-1917 | Frostburg | 2 |
| Full Tilt Brewing | MD-FULL | 2012-2023 | Baltimore | 22 |
| G Heileman Brewing Co | MD-GHEI | 1979-1996 | Baltimore | 0 |
| Gateway Craft Brewing | MD-GATE | 2020- | Salisbury | 1 |
| German Brewing Co. | MD-GERM | 1901-1917 1933-1941 | Cumberland | 17 |
| Globe Brewing Co. | MD-GLO | 1888-1963 | Baltimore | 82 |
| Gottlieb-Bauernschmidt-Strauss Brewing Co. dba GBS Brewing Co. | MD-GBSB | 1901-1910 | Baltimore | 20 |
| Growlers Brewpub | MD-GROW | 2006- | Gaithersburg | 3 |
| Guilford Hall Brewery | MD-GUIL | 2021- | Baltimore | 1 |
| Guinness OpenGate Brewery and Barrel House | MD-GUIN | 2018-2023 | Halethorpe | 5 |
| Gunther Brewing Co., Inc. (George Gunther Jr. Brewing Co.) | MD-GUN | 1900-1959 | Baltimore | 94 |
| Gypsy Brewing Company | MD-GYPS | 2017- | Huntingtown | 1 |
| Hagerstown Brewing Co. | MD-HAGE | 1900-1918, 1935-1937 | Hagerstown | 4 |
| Hamm (Theo. Hamm) Brewing Co. | MD-HAMM | 1960-1963 | Baltimore | 10 |
| Heavy Seas | See: Clipper City Brewing Co. (MD-CLP) |
| Heibrau Limited | MD-HEI | 1966-1971 | Baltimore | 1 |
| Homaide Brewing Co | MD-HOMA | 2019-- | Williamsport | 3 |
| Hook & Ladder | MD-HOOK | 1999- | Silver Spring | 21 |
| Hopkins Farm Brewery | MD-HOPK | 2020- | Havre De Grace | 1 |
| Hysteria Brewing | MD-HYST | 2017-2024 | Columbia | 2 |
| Idiom Brewing Co. | MD-IDIO | 2018- | Frederick | 8 |
| Imperial Brewing Co. | MD-IMPE | 1938-1940 | Baltimore | 8 |
| Independent Brewing | MD-INDE | 2015- | Bel Air | 14 |
| Inverness Brewing | MD-INVE | 2018- | Monkton | 1 |
| Jacob Seeger Crystal Brewage | MD-SEEG | 1854-1888 | Baltimore | 1 |
| Jailbreak Brewing | MD-JAIL | 2014- | Laurel | 11 |
| Johanssons' Brewing Co. | MD-JOHA | 1994- | Westminster | 1 |
| Jug Bridge Brewery | MD-JUGB | 2019- | Frederick | 2 |
| Key Brewing Co. | MD-KEY | 2015- | Dundalk | 5 |
| Liquidity Aleworks | MD-LIQU | 2022- | Mount Airy | 1 |
| Lone Oak Farm Brewing Co | MD-LONO | 2020- | Olney | 1 |
| Looking Glass Brewery | MD-LKG | 1996- | Towson | 1 |
| 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 |
| 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 |
| Monument City Brewing Co. | MD-MNMT | 2017- | Baltimore | 15 |
| Monumental Brewing Co. | MD-MONU | 1900-1920 | Baltimore | 6 |
| Mount Brewing Co. | MD-MOUN | 1873-1899 | Baltimore | 1 |
| Mount Vernon Brewing Co. | MD-MVER | 1880s-1890s | Baltimore | 1 |
| Mountain State | See: Mountain State Brewing Company (WV-MNST) |
| Mully's Brewery | MD-MULL | 2012- | Prince Frederick | 12 |
| National Brewing Co., The (1) | MD-NATMD | 1885-1975 | Baltimore | 31 |
| National Brewing Company | MD-NATI | 2012- | Baltimore | 6 |
| Notch 8 Brewery | MD-NOTC | 2022- | Annapolis Junction | 1 |
| Ocean City (Olde Towne) Brewing Co. | MD-OCT | 1990-? | Ocean City | 3 |
| Ocean City Brewing Co. | MD-OCB | 2014-2019 | Ocean City | 15 |
| Olde Mother Brewing Co | MD-OLDE | 2015- | Frederick | 1 |
| Olde Towne Tavern | MD-OTN | 1994-1999 | Frederick | 4 |
| Oliver Brewing Co. | MD-OLV | 1993- | Baltimore | 35 |
| Other One Brewing Co., The | MD-OTHE | 2023- | Ocean City | 2 |
| Oxford Brewing | MD-OXF | 1990-1998 | Linthicum | 23 |
| 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 |
| Pratt Street Ale House | See: Oliver Brewing Co. (MD-OLV) |
| Pub Dog Brewing Co. | MD-DOGB | 2006- | Westminster | 6 |
| Public Works Ale | MD-PUBL | 2012-2015 | Baltimore | 3 |
| Queen City Brewing | MD-QCB | 1917-1919, 1940-1974 | Cumberland | 127 |
| Queeno Co. | MD-QUEE | 1919-1933 | Cumberland | 1 |
| RAK Brewing Company | MD-RAKB | 2023- | Frederick | 1 |
| RavenBeer | See: Baltimore-Washington Beer Works (RavenBeer) (MD-BWB) |
| Real Ale Revival (RAR) Brewing | MD-REAL | 2013- | Cambridge | 56 |
| Reckless Ale Works | MD-RECK | 2016- | Columbia | 1 |
| Red Brick Station | See: White Marsh Brewing (MD-WMB) |
| Red Shedman Farm Bwy | MD-REDM | 2014- | Mt. Airy | 3 |
| Reichhart, Theodore, Inc. (Reichhart Brewing Co.) | MD-REIC | 1933-1937 | Baltimore | 3 |
| Rockwell Brewery | MD-ROCK | 2017- | Frederick | 5 |
| Rocky Run Tap & Grill | MD-RRUN | 1997-2007 | Columbia | 5 |
| Rubber Soul Brewing Co. | MD-RSB | 2015-2019 | Salisbury | 3 |
| Ruddy Duck Brewery | MD-RUD | 2009- | Solomons | 16 |
| Ruhlman Brewery | MD-RUHL | 2012- | Hampstead | 12 |
| Ryleigh's Brew Pub & Raw Bar | MD-RYLE | 2005-2006 | Baltimore | 1 |
| Saints Row Brewing Company | MD-SAIT | 2017- | Gaithersburg | 1 |
| Sapwood Cellars | MD-SAPW | 2018- | Columbia | 19 |
| Schaefer (The F. & M.) Brewing Co. | MD-SCHA | 1963-1978 | Baltimore | 7 |
| Scorpion Brewing Co. | MD-SCOR | 2014-2024 | Owings | 1 |
| Shore Beverage Co. | MD-SHOR | 1935-1936 | Salisbury | 3 |
| Silver Branch Brewing Co. | MD-SILV | 2019- | Silver Spring | 23 |
| Sinepuxent Brewing Co. | MD-SINE | 2021- | Berlin | 9 |
| Sisson's | See: South Baltimore Brewing (Sisson's) (MD-SBAL) |
| Slate Farm Brewery | MD-SLAT | 2018- | Whiteford | 3 |
| Smoketown Brewing Station | MD-SMOK | 2016- | Brunswick | 5 |
| South Baltimore Brewing (Sisson's) | MD-SBAL | 1989-2002 | Baltimore | 2 |
| Spring Garden Brewery | MD-SPRG | 1899-1903 | Baltimore | 2 |
| Standard Brewing Co. | MD-STAN | 1886-1920 | Baltimore | 3 |
| Steinhardt Brewing Co | MD-STEI | 2014- | Frederick | 1 |
| Stillwater Artisanal Ales | MD-STIL | 2010- | Baltimore | 28 |
| Summit Station | MD-SUMM | 1999-2006 | Gaithersburg | 3 |
| Susky River Beverage Co. Farm Brewery | MD-SUSK | 2023- | Perryville | 2 |
| Tall Tales Brewing | MD-TALL | 2012- | Parsonsburg | 17 |
| Ten Eyck Brewing Co. | MD-TENE | 2020- | Queenstown | 17 |
| Thick-N-Thin Brewing Company | MD-THIC | 2022- | Hagerstown | 6 |
| True Respite Brewing Co LLC | MD-TRUE | 2018- | Rockville | 10 |
| Tuborg Breweries Ltd. | See: Carling Brewing Co. (MD-CARL) |
| Tuppers Hop Pocket Brewing | MD-TUPP | 1995- | Bethesda | 4 |
| Unassigned Maryland | MD-UNAS | various- | various | 1 |
| Uncle Tucker's 1819 Brewhouse & Pizza Cellar | MD-UNCL | 1999-2005 | Cumberland | 2 |
| Union Craft Brewing | MD-UNI | 2011- | Baltimore | 15 |
| Valhalla Brewing Co. | MD-VALH | 2018- | Elkton | 2 |
| Waredaca Brewing Company | MD-WARE | 2015- | Laytonsville | 3 |
| Waverly Brewing | MD-WAVE | 2015- | Baltimore | 4 |
| Weeping Radish Brewery | See: Weeping Radish Brewery (Farmbrew, LLC.) (NC-WRB) |
| Wehr Hobelmann Gottlieb Co. | MD-WNGO | 1888-1899 | Baltimore | 2 |
| Wet City Brewing Co | MD-WETC | 2016- | Baltimore | 1 |
| White Marsh Brewing | MD-WMB | 1997- | White Marsh | 13 |
| Wiessner Brewing Co., Inc., The | MD-WIES | 1950-1952 | Baltimore | 2 |
| Wiessner, John F., & Sons Brewing Co. | MD-FWEIS | 1888-1920 | Baltimore | 7 |
| Wild Goose Brewery | MD-WGB | 1989-1996, 2015- | Easton, Frederick | 73 |
| Maryland brewers with coasters: | 183 |
| Alternate brewer referencess: | 10 |
| total record count: | 211 |
