There were six professional, scientific and technical services businesses in Contra Costa County ZIP Codes with between 250 and 499 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 between 250 and 499 employees in Contra Costa County ZIP Codes than professional, scientific and technical services businesses.
The following table shows industries of total establishments with between 250 and 499 employees in Contra Costa County in 2018.
Industries with between 250 and 499 employees in Contra Costa County (2018)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 6 |
| Information businesses | 5 |
| Health care and social assistance businesses | 4 |
| Management of companies and enterprises | 4 |
| Administrative, support, waste management and remediation services businesses | 3 |
| Finance and insurance businesses | 3 |
