COIT, headquartered in San Francisco, is being featured nationally in television commercials filmed for the American Express Booming Campaign. 

COIT, headquartered in San Francisco, is being featured nationally in television commercials filmed for the American Express Booming Campaign.

The campaign celebrates successful businesses across the United States, and the commercials showcasing COIT began airing Nov. 17. The spots focus on the company's successful use of benefits from the American Express Plum Card to invest in business growth. From the San Francisco Gate.