CBP data indicates that no other industry had more establishments with fewer than five employees in ZIP code 91504 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 91504 in 2017.
Top 10 Industries with fewer than five employees in ZIP code 91504 (2017)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 60 |
| Professional, scientific and technical services businesses | 60 |
| Construction businesses | 41 |
| Construction businesses | 41 |
| Real estate, rental and leasing businesses | 34 |
| Arts, entertainment and recreation businesses | 34 |
| Real estate, rental and leasing businesses | 34 |
| Arts, entertainment and recreation businesses | 34 |
| Health care and social assistance businesses | 33 |
| Health care and social assistance businesses | 33 |
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