Here’s a source with number of employees for businesses in ten bins from <500 to 20000+, US 2018 : https://www2.census.gov/programs-surveys/susb/tables/2018/us_naicssector_large_emplsize_2018.xlsx
Here’s a source with number of employees for businesses in ten bins from <500 to 20000+, US 2018 : https://www2.census.gov/programs-surveys/susb/tables/2018/us_naicssector_large_emplsize_2018.xlsx