By the early years of the 20th century, Waynesboro had become a very industrial town. It was known for the manufacture of engines, boilers, grinders, threshers, boring machines, bolt cutters, wood and iron workers' vises, nut facers, etc. There were also foundries and machine shops and manufacturers of lumber products. Some local companies included Frick Company, Geiser Manufacturing, Waynesboro Knitting Mill, Connie's Sportwear, Freeman's Shoes, Landis Machine Company, and Landis Tool Company. In 1900, 5,396 people lived in the town; in 1910, 7,199 people; and in 1940, 10,231 people (notably more than in the year 2000 census).