There were 15 administrative, support, waste management and remediation services businesses in Washington County zip codes that had between 20 and 49 employees in 2016, according to County Business Patterns (CBP) statistics provided by the United States Census Bureau.
There were 62 professional, scientific and technical services businesses in Maryland ZIP code 21230 that had between one and four employees in 2016, according to County Business Patterns (CBP) statistics provided by the United States Census Bureau.