The YESCO corporate records and correspondence series (1920-2000) consists of meeting minutes and bylaws, general business records, financial reports, correspondence, advertising, company anniversary scrapbooks, and oral history interviews with YESCO employees, including members of the Young family. General business records include biographical writings about the Young family, ledgers and datebooks, a YESCO operational manual, blank contracts, sales policies and procedures, and business records of Henry “Hank” Schutte, who joined YESCO as a boy and worked for the company for most of his life.