Produces table and fortified wines, under numerous brand names, including Mateus, Offley, and Sandeman. Includes a company profile, along with information about the vineyards and brands. [Flash required]

Universally acknowledged to be a leader in the field of Vintage Port.

Owns Warre, Dow, Graham, Smith Woodhouse, Gould Campbell, Quinta do Vesuvio and the Madeira Wine Company.

One of the oldest and most famous Port houses. Site also available in French and Portuguese.

Founded more than 140 years ago, the House of Calem owns grape vineyards and ageing cellars, and produces a wide range of Ports for a number of markets.

Produces Ports, dry reds, and brandy. Contains descriptions of the products, the vineyards, their museums, and the company. [Flash Required]

History, the four brands, the grapes and export markets of Quinta do Cotto.

Douro based, renowned producer of vintage Port, particularly its Nacional. Site offers information on the vineyards, the winemaking technique and the wines.

Specializing in Port and Sherry for more than two hundred years.

One of the oldest producers of Portuguese table wines and Setubal dessert wines. Markets under several other brand names, including Lancer's.