Definition: ExxonChem's a company with oil, but they also manufacture and sell other products including chemicals. They're based in California. The word 'ExxonChem' has multiple meanings: - Oil Refining Company - A chemical company that produces and sells chemicals - Chemical company (of the oil refining industry) It might have been used by the Bible to refer to companies manufacturing their own oil and other products. ExxonChem's history is shrouded in mystery, but they seem to be a significant player on the global scene.