Sodor Dairy is one of the industries alongside Thomas' Branch Line. It is located in Toryreck. Milk is delivered there every morning from Ffarquhar. Originally, Thomas took the milk with his first train, but eventually, this job was given to Percy and Daisy.
The Sodor Dairy has a another factory on The Main Line near Crosby. The dairy not only makes milk, but cheese as well. The stinky Sodor Cheeses are the most famous products made there. They supply milk to all the stations on Sodor.