CBP data indicates that no other industry had more establishments with fewer than five employees in Chester County zip codes than “professional, scientific and technical services” businesses.
The following table shows the top 10 industries of total establishments with fewer than five employees in Chester County in 2017.
Top 10 Industries with fewer than five employees in Chester County (2017)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 1,743 |
| Construction businesses | 932 |
| Finance and insurance businesses | 656 |
| Health care and social assistance businesses | 641 |
| Retail trade businesses | 609 |
| Administrative, support, waste management and remediation services businesses | 606 |
| Wholesale trade businesses | 509 |
| Real estate, rental and leasing businesses | 428 |
| Accommodation and food services businesses | 386 |
| Manufacturing businesses | 174 |
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