Some really good mapping in terms of financial exposures/risk and COVID19 vulnerabilities within the U.S. small and medium enterprises sectors, via McKinsey & Co:

Source: https://www.mckinsey.com/featured-insights/americas/which-small-businesses-are-most-vulnerable-to-covid-19-and-when. Interactive graphs: https://covid-tracker.mckinsey.com/small-business-vulnerability.

Additional: vulnerabilities across jobs https://covid-tracker.mckinsey.com/vulnerable-jobs/industry-occupation.