- Louis Latour Inc
- Lovers Leap Vinyards & Winery
- Lowden Hills Winery
- Loxton Cellars
- Lucas Vineyards/Winery
- Lucas Winery
- Lucchesi Vineyards & Winery
- Lucia Vineyards & Winery
- Lucky Bohemian
- Lumina Winery
- Luna Vineyards
- Lynch Vineyards
- Lynmar Winery
- Mac Phail Famikly Wines
- Macari Vineyards
- Macauley Vineyards
- Mackinaw Valley Vineyard
- Madison Vineyard
- Madison Vineyards
- Magnanini Winery
- Magnolia Cellars
- Mahoney Family Estates
- Main St Pub & Winery LLC
- Maison De Padgett
- Make N Take Wines Inc
- Malibu Wines
- Mallow Run Winery
- Maloney & Maoloney
- Maloy O'Neill Vineyards
- Mandolina Vineyards
- Mantra Wines
- Maragas Winery
- Marelle Wines
- Maresh Red Barn
- Maresh Red Barn
- Marietta Wine Cellar
- Marimar Torres Estate
- Marina Vineyards
- Mariposa Wine Co
- Mariposa Wine Co
- Markham Vineyards
- Markko Vineyard
- Marlboro Champagne Dealers
- Marquam Hill Vineyards
- Marsh Anne Landing Winery
- Marston Family Vineyard
- Martha Clara Vineyards
- Marthe's Vineyard
- Marthe's Vineyard
- Martin & Weyrich Winery
- Martin & Weyrich Winery
- Martin Estate Winery
- Martin Family Vineyards
- Martin Ray Winerie
- Martin Ray Winery
- Martinelli Vineyards & Winery
- Mary Michelle Winery
- Mason Cellars
- Mason Creek Winery
- Massbach Ridge Winery
- Mastantuono Winery
- Matanzas Creek Winery
- Matson Vineyards
- Maurice Car'Rie Winery
- Mauritson Winery
- Mayacamas Vineyards & Winery
- Mayo Family Winery
- Mayo Family Winery
- Mayo Family Winery
- Mazzocco Vineyards
- Mc Call Winery & Distilleries
- Mc Connell Estates Winery
- Mc Cray Ridge Winery
- Mc Dowell Valley Vineyards
- Mc Gregor Vineyard Winery
- Mc Intosh Winery
- Mc Keon-Phillips & Winery
- Mc Kinlay Vineyards
- Mc Laughlin Vineyards Inc
- Mc Manis Family Vineyards
- Mc Minnville Wine & Food
- Mc Minnville Wine & Food
- Mc Nab Ridge Winery
- Mc Reynolds Wine
- Meander Wines
- Mediterranean Cellars
- Medlock Ames
- Meeker Vineyards
- Melka Wines
- Melrose Vinyards
- Melville Vineyards & Winery
- Mendelson Vineyard
- Mendocino Winegrowers Alliance
- Menghini Winery
- Meola Winery
- Meramec Vineyards
- Meridian Vineyards
- Meritage Inc
- Meritage Inc
- Merlo Vineyards
- Merry Edwards Wines
- Merryvale Vineyards
- Merus
- Messina Hof Wine Cellar
- Meyer Family Port
- Meyer Vineyards
- Meyer Vineyards
- Mi Sueno Winery
- Michael Mercier Winery
- Michael Pozzan Winery
- Michael-David Vineyards
- Michel Schlumberger Fine Wine
- Michtom Vineyards
- Michtom Vineyards
- Midnight Cellars Inc
- Midnight Cellars Winery
- Midsummmer Cellars
- Mietz Cellars
- Milagro Vineyards
- Milano Winery
- Milat Vineyards Winery
- Miles Wine Cellars
- Mill Creek Vineyards & Winery
- Mill Street Wine Tasting
- Milla Vineyards
- Millbrook Vineyards
- Millennium Wines Inc
- Milliaire Winery
- Milliaire Winery
- Minnestalgia Winery
- Minturn Cellars
- Minturn Cellars
- Miramont Estate Vineyards
- Miramonte Vineyard & Winery
- Mission Mountain Winery
- Mitchell KATZ Winery
- MJR Wines Inc
- Mogen David Wine Corp
- Mokelumne Oaks Vintners
- Mokelumne Rim Vineyards
- Monarch Wine Co Of Ga
- Monarch Wine Co Of Ga
- Mondavi Design
- Mondavi Robert Winery
- Mondavi Robert Winery
- Mont St John Cellars
- Montelle Winery
- Monterey Wine Co
- Montevina Winery
- Montezuma Winery
- Monticelli Brothers LLC
- Monticello Vineyards & Winery
- Montinore Vineyards
- Montmorenci Vineyards
- Montserrat Vineyards
- Moon Mountain Vineyard
- Moon Mountain Vineyard
- Moondance Cellards The Wine Rm
- Moonfeathers Winery
- Moonrise Bay Vineyard
- Morgan Creek Vineyards
- Morgan Creek Vinyards
- Morgan Winery
- Mosby Winery
- Moshin Vineyards
- Moss Creek Winery
- Mount Bethel Winery
- Mount Eden Vineyards
- Mount Vullion Vineyard
- Mountain Dome Winery
- Mountain Meadows Mead
- Mountain Meadows Mead
- Mountain Valley Vineyards
- MPW Inc
- MSF Construction
- Mt Aukum Winery
- Mt Baker Vineyards
- Mt Brow Winery
- Mt Dora Winery
- Mt Hood Winery
- Mt Palomar Winery
- Mt Veeder Winery
- Mt Vernon Winery
- Mudd's Vineyard LTD
- Muir-Hanna Vineyards
- Mumm Napa
- Murielle Winery Inc
- Murphy-Goode Winery
- Murrieta's Well
- Musa Inc
- My Personal Winery
- My Vintage Winery & Homebrew
- Nadeau Family Vintners
- Nagy's Newland Vineyard
- Naked Mountain Vineyard
- Nalle Winery
- Namaste Vineyards Inc
- Nantucket Vineyards
- Nantucket Vineyards
- Nantucket Wine Cellars
- Napa Cellars
- Napa Redwoods Estate
- Napa Ridge Winery
- Napa Wine Co
- Nashoba Valley Winery
- Nashwood Winery
- Native Stone Winery
- Natura Vineyards & Winery
- Naughty LLC
- Navaliss Birney Winery Tasting
- Neal Family Vineyards
- Nehalem Bay Winery
- Neighbors Brain At White Owl
- Neighbors Brain At White Owl
- Neighbors Brain At White Owl
- Nelson Family Vineyards
- Nevada City Winery
- Nevada County Wine Guild
- New Day Meadery LLC
- New Glarus Primrose Winery
- New Mexico Wineries Inc
- New Oak Vineyards
- New West
- Newport Beach Vineyards & Wine
- Newport Vineyards & Winery
- Newsome Harlow Winery
- Newsome Harlow Winery
- Newton Vineyard
- Neyers Vineyards
- Niagara Landing Wine Cellars
- Nichelini Winery
- Nicholas-Cole Cellars
- Nicholson Ranch Winery
- Nickel & Nickel Vineyards
- Niebaum Coppola Estate Winery
- Nine Gables Vineyard & Winery
- Noah Vineryards
- Noble Estate Vineyard & Winery
- Nord Estate Wines
- Nordman Of California
- Norman Vineyards
- North Lake Wines
- North Mountain Vineyard
- North River Winery
- North River Winery
- North River Winery
- North Salem Vineyard Inc
- Northern Vineyards Winery
- Northstar Winery
- Northstar Winery
- Northstar Winery Tasting Room
- Northstar Winery Tasting Room
- Northwest Select
- Northwest Wine Co
- Nova Wines Inc
- Nua Dair Vineyards
- Nyetimber Wines
- Nysa Vineyard
- O'Brien Family Vineyard
- O'Neill Beverage Co
- O'Neill Beverage Co
- O'Shaughnessy Estate Winery
- Oak Creek Vineyards & Winery
- Oak Glenn Vineyards & Winery
- Oak Hill Winery
- Oak Hills Winery
- Oak Knoll Winery Inc
- Oak Mountain Winery
- Oak Ridge Winery LLC
- Oakencroft Vineyard & Winery
- Oakencroft Vineyard & Winery
- Oakford Vineyards
- Oakstone Winery
- Oakville Ranch Vineyards
- Oakville Winegrowers
- Oakwood Cellars
- Oasis Winery
- Obester Winery
- Obscurity Cellars
- Octave Wines
- Odisea Wine Co
- Odyssey Winery & Vineyards
- Ogeki Sake USA Inc
- Ojai Vineyard
- Ojai Wine Festival
- Oklahoma Wine Co
- Old Bis Enterprises
- Old Bis Enterprises
- Old Creek Ranch
- Old Fairhaven Winery Cranberry
- Old Firehouse Winery
- Old House Vineyards
- Old Medina Winery
- Old Millington Winery
- Old North State Winegrowers
- Old South Winery
- Old Town Winery
- Olde Lockeford Winery
- Oliver Caldwell Cellars
- Oliver Winery
