1933 Shelbyville Pencil and Novelty Company began as a subsidiary of Musgrave Pencil Company 1945 SP&NC becomes an independent sole proprietorship 1953 SP&NC purchases Pyramid Pencil Co. 1956 SP&NC becomes a private corporation 1963 Name changed to Shelbyville Pencil Company SPC purchases Acorn Pencil Co. 1973 SPC purchases Aeroprint 1975 SPC purchases Pensco division of Venus-Esterbrook Corp.