On August 17, 2020, this report was posted online as an MMWR Early Release.David P. Bui, PhD1,2; Keegan McCaffrey3; Michael Friedrichs, MS3; Nathan LaCross, PhD3; Nathaniel M.
Lewis1,3; Kylie Sage, MS3; Bree Barbeau, MPH3; Dede Vilven, MPH4; Carolyn Rose, MPH5; Sara Braby6; Sarah Willardson, MPH7; Amy Carter8; Christopher Smoot, MPH9; Andrea Winquist, MD, PhD2; Angela Dunn, MD3 (View author affiliations)COVID-19 outbreaks occur within various workplaces.During March 6–June 5, 2020, workplace outbreaks occurred in 15 Utah industry sectors; 58% of workplace outbreak-associated COVID-19 cases were in three sectors: Manufacturing, Wholesale Trade, and Construction.