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Curated category

American companies established in 1920

  • Occidental PetroleumLos Angeles, 1920 marked the birth of Occidental Petroleum. Armand Hammer took control in 1957 and steered the company through a decade of rapid growth.
  • Scholastic CorporationMaurice R. Robinson stood near Pittsburgh, Pennsylvania in 1920 to launch a small publishing venture. The first publication was The Western Pennsylvania…