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| MacLeod Ales | Woodstock India Pale Ale | Madcap Crafbrew | Magic Hat Ale | Magic Hat Ale |
| MacLeod Ales Brewing Company | Mactarnahan's Brewery | Madcap Crafbrew & Bottleworks | Magic Hat Brewery | Magic Hat Brewery |
| Van Nuys, California | Portland, Oregon | Evansville, Indiana | South Burlington, Vermont | South Burlington, Vermont |
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| Maine Beer | Becks Light - CORCHO | Mammoth | Marble | Marble |
| Maine Beer Company | Magnus Beck Brewing Company | Mammoth Brewing Company | Marble Brewery | Marble Brewery |
| Portland, Maine |
Buffalo, New York |
Mammoth Lagos - California | Albuquerque, New Mexico | Albuquerque, New Mexico |
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| Landshark | Landshark | Landshark | Landshark | California Brewed |
| Margaritaville Brewing Co. | Margaritaville Brewing Co. | Margaritaville Brewing Co. | Margaritaville Brewing Co. | Marin Brewery Company |
| Jacksonville, Florida | Jacksonville, Florida | Jacksonville, Florida |
Jacksonville, Florida |
Larkspur, California |
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| Maui | Mehana | Mc Sorley's Ale | Double Dark | Mc Sorley's Pale Ale |
| Maui Brewing Co | Mehana Brewing Company | Mc Sorley's | Mc Sorley's | Mc Sorley's |
| Lahaina, Hawaii |
Hilo, Hawaii |
New York | New York |
New York |
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| Mc Sorley's Pale Ale | Razor Edge Australian Style Lager | Mendocino | Mendocino | Clown Shoes Undead |
| Mc Sorley's | Mendocino Brewing Co. | Mendocino Brewing Co. | Mendocino Brewing Co. | Mercury Brewing Company |
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New York |
Hopland, California | Hopland, California | Hopland, California |
Ipswich, Massachusetts |
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| Clown Shoes Undead | Metolius River Ales | Hurricane Reef | P.O.M. All Malt - CORCHO | Middle Ages |
| Mercury Brewing Company | Metolius River Ales | Miami Brewing Company | Michigan Brewing Inc. | Middle Ages Brewing Company |
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Ipswich, Massachusetts |
Black Butte, Oregon | Miami, Florida | Sebewaing, Michigan |
Syracuse, New York |
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| Middle Ages | Middle Ages | Midnight Sun | Mike Hess | mikkeller |
| Middle Ages Brewing Company | Middle Ages Brewing Company | Midnight Sun Brewing Company | Mike Hess Brewing Company | Mikeller Brewing Company |
| Syracuse, New York | Syracuse, New York | Anchorage, Alaska | San Diego, California | San Diego, California |
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| mikkeller | millstream | millstream | 1738 | minnesota |
| Mikeller Brewing Company | Millstream Brewing Company | Millstream Brewing Company | Minhas Craft Brewery | Minnesota Brewing Company |
| San Diego, California | Amana, Iowa | Amana, Iowa | Monroe, Wisconsin |
St. Paul, Minnesota
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| Shipwrecked Double Ipa | Missoula | Modern Times | mogollon | Monday Night |
| Mission Brewery | Missoula Brewing Company | Modern Times Beer | mogollon brewing company | Monday Night Brewing |
| San Diego, California | Missoula, Montana | San Diego, California |
Flagstaff, Arizona |
Atlanta, Georgia |
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| Monday Night | Monocacy | Morganīs | Mother's | Mother Earth |
| Monday Night Brewing | Monocacy Brewing Co. | Morgan Street Brewery | Mother's Brewing Company | Mother Earth Brewing Co |
| Atlanta, Georgia | Frederick, Maryland | St. Louis, Missouri | Springfield, Missouri | Kinston, North Carolina |
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| Mother Earth | Mountain Town | Weed Golden Ale | Mountaineer | old michigan - CORCHO |
| Mother Earth Brewing Co | Mountain Town Brewing Co. | Mt. Shasta Brewing Company | Mountaineer Brewing Co. | Michigan Brewing Co. |
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Kinston, North Carolina
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Mount Pleasant, Michigan | Weed, California | Martinsburg, West Virginia | Grand Rapids, Michigan |
