National Checking Company (N. C. Co) is a prominent American printing company specializing in the production of hospitality industry forms. Founded in 1905 in St. Paul, Minnesota, United States of America; N. C. Co began printing punch cards in 1939 and continued to do so until the late 1970s. Notably, Burlington Northern Railroad Company was one of their significant clients, with many N. C. Co. cards in this collection being printed for Burlington Northern. ^[1]

The company continues to manufacture a variety of printed forms, including guest checks, order pads, and other related products for the restaurant and hospitality sectors.^[2]