In 1900 Dunham produced 114 pairs of snowshoes.
He took his snowshoes to the 1901 Sportsman's Show in New York City and to the 1902 Massachusetts Sportsman's Show.
These trade shows promoted outdoor activities and tourism.
In 1902, Dunham built a shop across the road from the farm and his son-in-law, Nathan Noble, joined the growing business.
In 1903, Dunham taught his nephew Walter F. Tubbs, a neighbor on Crockett Ridge, to make snowshoes. Tubbs joined the business.
In 1904 Dunham's shop made 344 pairs and was the largest maker of snowshoes in Maine.
