The Hillman Coal and Coke Company was a bituminous coal mining company based in Pittsburgh, Pennsylvania. The company was formed by John Hartwell Hillman Sr. He established the Hillman Coal and Coke Company, and J. H. Hillman & Sons, which was eventually run by his three sons. The Hillman Coal and Coke Company later became Pittsburgh Coke & Chemical, and it is now Calgon Carbon.
The company built coal patch towns in the following locations: