Canneries, also known as food processing plants, are facilities that specialize in the preservation of food. If you're looking for synonyms for the word "canneries," you might consider terms like packinghouses, canning factories, or food manufacturing facilities. Other related terms might include food processing centers, fruit and vegetable processing plants, or bottling plants. Regardless of the specific terminology used, all of these terms refer to a type of facility that plays an important role in the food supply chain, helping to preserve and distribute food products to consumers around the world.