There were 24 professional, scientific and technical services businesses in Oakland 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 Oakland 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 Oakland County in 2018.
Industries with between 250 and 499 employees in Oakland County (2018)
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 24 |
| Management of companies and enterprises | 20 |
| Administrative, support, waste management and remediation services businesses | 19 |
| Manufacturing businesses | 12 |
| Finance and insurance businesses | 7 |
| Retail trade businesses | 7 |
| Health care and social assistance businesses | 5 |
| Information businesses | 3 |
