Porcelain factories that are well known are listed here under the factory name. Porcelain is usually thinner, lighter, and more durable than pottery. This category and the two following list pieces made by the less well-known factories. Porcelain-Contemporary lists pieces made by artists working after 1975. Porcelain-Midcentury includes pieces made from the 1940s to the 1980s. For more information, explore our identification guides for American, Asian, British, European, and general pottery and porcelain.