Volta Inc. oversees a network of electric vehicle (EV) charging stations across... Volta Inc. oversees a network of electric vehicle (EV) charging stations across the United States, which are distinguished by their embedded smart media displays. By the close of 2021, the company had installed 2,264 charging units, distributed throughout 23 U.S. states and territories. Established in 2010, Volta Inc. maintains its primary corporate offices in San Francisco, California.