Chevron is a company founded in 1906.
Amgen Inc. (formerly Applied Molecular Genetics Inc.) is an American multinational biopharmaceutical company founded in 1980 with headquarters in Thousand Oaks, California.
Immunex is a Thousand Oaks, California-based company founded in 1981 by Steven Gillis.
Apple Inc. is an American multinational technology company that specializes in consumer electronics, software, and online services.