CBP data indicates that no other industry had more establishments with fewer than five employees in ZIP code 04021 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 04021 in 2017.
Top 10 Industries with fewer than five employees in ZIP code 04021 (2017)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 30 |
| Construction businesses | 20 |
| Administrative, support, waste management and remediation services businesses | 13 |
| Retail trade businesses | 7 |
| Health care and social assistance businesses | 7 |
| Finance and insurance businesses | 6 |
| Wholesale trade businesses | 5 |
| Real estate, rental and leasing businesses | 5 |
| Manufacturing businesses | 4 |
| Educational services businesses | 3 |
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