It took 16 years for Salesforce to finally become part of this exclusive list of America's largest companies (CRM)

Salesforce may already be one of the most powerful companies in San Francisco, but in the rest of world, it's still working its way up to becoming a mainstream brand. And this week, it took another step forward by setting a new milestone in its 16-year history: it became part of the Fortune 500 list for the first time. Being part of the Fortune 500, Fortune Magazine's annual list of America's largest companies, is a big badge of honor for most businesses. Companies are ranked by their size of re...