There were 1,504 professional, scientific and technical services businesses in New Castle County ZIP Codes with fewer than five employees in 2018, according to County Business Patterns (CBP) statistics provided by the United States Census Bureau.
CBP data indicates no other industry had more establishments with fewer than five employees in New Castle 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 New Castle County in 2018.
Top 10 Industries with fewer than five employees in New Castle County (2018)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 1,504 |
| Finance and insurance businesses | 891 |
| Retail trade businesses | 860 |
| Construction businesses | 729 |
| Health care and social assistance businesses | 608 |
| Real estate, rental and leasing businesses | 576 |
| Management of companies and enterprises | 542 |
| Administrative, support, waste management and remediation services businesses | 515 |
| Wholesale trade businesses | 482 |
| Accommodation and food services businesses | 426 |
