This folder contains correspondence and other documents relating to the business of the Edison Portland Cement Co. (EPCCo), based in northwestern New Jersey. Among the items for 1918 are communications from financial executive Stephen B. Mambert pertaining to general conditions and progress and to Francis R. Upton's status as a longtime director of the company. Also included are letters from EPCCo president Walter S. Mallory concerning opportunities to sell concrete to the U.S. government for war-related projects and Henry Ford's gift of a tractor for use on company farmland. In addition, there is a promotional letter, signed by Edison, about postwar sales.

Approximately 15 percent of the documents have been selected. The unselected material includes internal business correspondence concerning shipping and billing; copies of weekly bulletins to salesmen; daily production and shipping reports; meeting notices; and printed advertising materials, trade periodicals, and government priority production rules.