Winzerverzeichnis
120 Winzer
- Olivier Tixier
- Olivier Tricon
- Ollet-Fourreau
- Olsen Wines
- Olssens of Watervale
- Olssen´s Garden Vineyard
- Olympic Cellars
- Omaka Springs Estate
- Onderkloof Vines & Wines
- One Vineyard and Winery
- Onetangi Road Vineyard
- Ontario Grape Growers Marketing Board
- Ooude Wellington Estate
-
Ophir Wines
- Opihi
-
Opolo Vineyards
- Opstal Estate
- Optima
- Opus One
-
Orange Country Wine Society
- Orange Country Wines
- Orani Vineyard
- Oranjerivier Wynkelders
- Orchard Country Winery
-
Oregon Wine Advisory Board
-
Oregon Winegrowers´Association
-
Orfila Vineyards & Winery
-
Organic Grapes into Wine Alliance O.G.W.A.
-
Organic Wine Company, Inc.
- Oriol Rossell
- Orlando
- Orlando
- Orlando Wines
- Orlando Wyndham Group
- Orlando Wyndham New Zealand
- Orleans-Borbon
- Ormanni
- Ornellaia
- Orosquette SCEA Château La Grave
- Osborne
- Osborne y Cia
- Osborns Vineyards
- Oskar und Theresia Schmidt Weinhaus OTS
- Osmond Wines
- Osocalis Inc.
- Otago Polytechnic
- Othmar und Josefine Mad
- Otmar Gschwantner
-
Otmar und Helga Adam vulgo Scherer
- Otmar und Roswitha Karl
- Ottella
- Otto und Pascale Rohner Rohner Weine Sax
- Ottomarzo
- Outram Estate
- Overgaauw Estate
- Overhex Co-operative Winery
- Owen Sullivan Winery
- Owl Creek Vineyard, INC
- Ozeki Sake (U.S.A) Inc.
- O´Regan Creek Vineyards & Winery