Chevron Corporation is an American multinational energy corporation headquartered in San Ramon, California, United States and active in more than 180 countries. It is engaged in every aspect of the oil, gas, and geothermal energy industries, including exploration and production; refining, marketing and transport; chemicals manufacturing and sales; and power generation. Chevron is one of the world's six "supermajor" oil companies. For the past five years, Chevron has been continuously ranked as one of America's 5 largest corporations by Fortune 500. In 2011 it was named the 16th largest public company in the world by Forbes Global 2000.
The Oakland Museum of California or OMCA is an interdisciplinary museum dedicated to the art, history, and natural science of California, located in Oakland, California. The museum contains more than 1.8 million objects dedicated to "telling the extraordinary story of California." It was created in the mid-1960s out of the merger of three separate museums dating from the early 20th century, and was opened in 1969.