Greece

Protopapas Winery - Produces red, white, and rose wines from Greek and international estate-grown grape varieties in the Macedonian region. Contains product descriptions, a company history, and a harvest report.
http://www.protopapaswines.com/

D. Kourtakis S.A. - Large producer of a wide range of reds and whites from several locations. Contains product descriptions and a company history.
http://kourtaki.newmail.ru/

Santo Greek Wines - Cooperative on Santorini producing red, white, rose, and dessert wines. Includes information about the company, products, and island.
http://greekproducts.com/santowines/

Haniotis Winery - Produces red, white and rose wines from Roditis, Asyrtiko, Muscat and Cabernet Franc grapes. Multilingual site.
http://www.greekwine.gr/haniotis/

Harlaftis Athanassiadis Wines - A respected, family-run winery with its own vineyards close to Athens.
http://www.harlaftis.gr/homeng.htm

Chateau Semeli - Located in the foothills of Pendeli, producing a range of reds and whites under its own name and the Domaine Helios brand. Contains product descriptions, a company history, pictures, and reviews.
http://www.semeliwines.com/

Creta Olympias Winery - Produces a range of reds and whites in Crete. Contains product descriptions, an award list, and a company overview.
http://www.cretaolympias.gr/

Hatzidakis Winery - Produces reds and whites from the island of Santorini. Contains a brief company overview and product descriptions.
http://greekproducts.com/hatzidakis/

Minos Cretan Wines, S.A. - Produces white, red, and rosé wines using traditional methods. Includes product descriptions, a company overview, and general information about Crete and its wines. [Flash required]
http://www.minoswines.gr/

Domaine Skouras - Producing a distinctive range of quality wines in Peloponnesos.
http://www.skouras.gr/

Gavalas Wines - Produces wines from Santorini. Brief company description and product list.
http://greekproducts.com/gavalas

Glinavos Wines - Produces a wide range of white, red, rosé, and sparkling wines in a former monastery in Zitsa. Features product descriptions and a history of the property.
http://www.glinavos.gr/

Vineyard Gavalas - Santorini winery whose products include the white Santorini, the red Xenoloo, and the Vinsanto dessert wine. Contains product descriptions and a company overview.
http://www.gavalaswines.gr/

Thegreekwine.com - Includes forums, statistics, an introduction to grape varieties, and links to local vineyards, retailers, and restaurant.
http://www.thegreekwine.com/

Sokos Wines - Produces reds and whites near Mount Kitheronas. Includes product descriptions, company news, and pictures.
http://www.sokoswines.gr/

Kellari Papachristou - Makes Chardonnay, Merlot, Cabernet Sauvignon, and Sangiovese in Athens. Contains a company overview and a virtual tour. Open for tours.
http://www.kellari.gr/

Emery S.A. - Produces wines from unique Greek grape varieties. Located in Rhodes.
http://www.emery.gr/

Vertzamo Winery - Produces reds, whites, and Retsina on the island of Lefkada. Contains product descriptions, pictures, and contact information.
http://www.vertzamo.gr/

Vineyards Felaxidis - Produces white, red and rose wines, including some organic bottlings, from a 15-acre vineyard. Features profiles of the winemaker, vineyard, and products.
http://www.fellahidis.gr/

Nemea Greek Wine - Cooperative producing and exporting wines made from Agiorgitiko and Sabbatiano grapes. Describes products and contains ordering information.
http://greekproducts.com/nemea/

Wine Art Estate - Produces the Techni Alpias and Idisma Drios brands. Includes product descriptions, vineyard information, a glossary, and a company overview. [Flash Required]
http://www.wineart.gr/