CBP data indicates no other industry had more establishments with fewer than five employees in Allegheny 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 Allegheny County in 2018.
Top 10 Industries with fewer than five employees in Allegheny County (2018)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 2,376 |
| Health care and social assistance businesses | 1,866 |
| Construction businesses | 1,574 |
| Retail trade businesses | 1,521 |
| Finance and insurance businesses | 1,137 |
| Accommodation and food services businesses | 1,034 |
| Administrative, support, waste management and remediation services businesses | 875 |
| Real estate, rental and leasing businesses | 827 |
| Wholesale trade businesses | 752 |
| Information businesses | 327 |
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