San Francisco Business is? was? a magazine published by the SF Chamber of Commerce starting in Oct. 1965 and going until ???. It was primarily aimed at the business community--especially focusing on trying to get businesses to locate their offices in SF. It included the usual boosterism and "man to man" discussions about the state of business in SF.
You can find a partial set of these lovely magazines at the Prelinger Library. There is a complete run at the California Historical Society and at San Francisco Public Library.