There were five professional, scientific and technical services businesses in San Diego County ZIP Codes with more than 1,000 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 more than 1,000 employees in San Diego County ZIP Codes than professional, scientific and technical services businesses.
The following table shows industries of total establishments with more than 1,000 employees in San Diego County in 2018.
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 5 |



