Curated category
Chemical companies of the United States
- ValvolineIn the early 1860s, Dr. John Ellis traveled to Titusville, Pennsylvania, a town at the heart of America's new petroleum industry.
- 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.