CBP data indicates that no other industry had more establishments with fewer than five employees in ZIP code 21204 than professional, scientific and technical services businesses.
The following table shows the top 10 industries of total establishments with fewer than five employees in ZIP code 21204 in 2017.
Top 10 Industries with fewer than five employees in ZIP code 21204 (2017)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 271 |
| Health care and social assistance businesses | 169 |
| Finance and insurance businesses | 67 |
| Retail trade businesses | 52 |
| Real estate, rental and leasing businesses | 48 |
| Administrative, support, waste management and remediation services businesses | 41 |
| Accommodation and food services businesses | 23 |
| Wholesale trade businesses | 20 |
| Construction businesses | 16 |
| Information businesses | 10 |
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