CBP data indicates no other industry had more establishments with fewer than five employees in San Francisco 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 San Francisco County in 2018.
Top 10 Industries with fewer than five employees in San Francisco County (2018)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 4,689 |
| Health care and social assistance businesses | 1,797 |
| Retail trade businesses | 1,624 |
| Real estate, rental and leasing businesses | 1,528 |
| Accommodation and food services businesses | 1,250 |
| Finance and insurance businesses | 1,217 |
| Construction businesses | 1,055 |
| Information businesses | 891 |
| Administrative, support, waste management and remediation services businesses | 737 |
| Wholesale trade businesses | 610 |
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