There were 12 retail trade businesses in Montgomery County zip codes that had between 250 and 499 employees in 2016, according to County Business Patterns (CBP) statistics provided by the United States Census Bureau.
CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between 250 and 499 employees in Montgomery County zip codes than in any other category.
The following table shows how many retail trade businesses with between 250 and 499 employees were in Montgomery County zip codes during the period from 2012 to 2016.

