There were 236 professional, scientific and technical services businesses in Fairfax County ZIP Codes with between 100 and 249 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 100 and 249 employees in Fairfax County ZIP Codes than professional, scientific and technical services businesses.
The following table shows the top 10 industries of total establishments with between 100 and 249 employees in Fairfax County in 2018.
| Industry | Total Establishments |
|---|---|
| Professional, scientific and technical services businesses | 236 |
| Retail trade businesses | 80 |
| Administrative, support, waste management and remediation services businesses | 75 |
| Information businesses | 40 |
| Accommodation and food services businesses | 38 |
| Health care and social assistance businesses | 38 |
| Construction businesses | 25 |
| Management of companies and enterprises | 13 |
| Educational services businesses | 11 |
| Finance and insurance businesses | 11 |



