Frank Elwin Ebersole (1871-1933) was a contract electrical engineer who installed automatic telephone systems throughout the United States during the early twentieth century. Ebersole was the proprietor of the Ebersole Construction Company; president of the Independent Telephone Company; and the general manager of the Northeastern Telephone Company, Lincoln Telephone Company, Evansville Telephone Company, Houston Home Telephone Company, and other related businesses. He engaged in the construction and installation of telephone services and support structures of each system, including their power plants. This small collection documents the business interests of an early telephone engineer and construction manager. The documents include telegrams and letters that provide detailed information on business relations, corporate financing, and equipment processing for installing early telephone service, as well as the challenges faced by suppliers of equipment used in said process.