CBP data indicates that no other industry had more establishments with fewer than five employees in ZIP code 91501 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 91501 in 2017.
Top 10 Industries with fewer than five employees in ZIP code 91501 (2017)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 44 |
| Professional, scientific and technical services businesses | 44 |
| Health care and social assistance businesses | 42 |
| Health care and social assistance businesses | 42 |
| Construction businesses | 22 |
| Construction businesses | 22 |
| Arts, entertainment and recreation businesses | 18 |
| Arts, entertainment and recreation businesses | 18 |
| Information businesses | 16 |
| Information businesses | 16 |
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