Oil giant Chevron is moving its headquarters to Texas from California, the latest company to exit the Golden State.The company on Friday announced its planned corporate relocation to Houston from San Ramon, where it has long been based.“The company expects all corporate functions to migrate to Houston over the next five years,” Chevron said. “Positions in support of the company’s California operations will remain in San Ramon.”Chevron said about 2,000 of its employees work in San Ramon at the moment and 7,0 ...