There were 5,060 construction businesses in Idaho with fewer than 5 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 fewer than 5 employees in Idaho than construction businesses.
The following table shows the top 10 industries in terms of total establishments with fewer than 5 employees in Idaho in 2018.
| Industry | Total Establishments |
|---|---|
| Construction businesses | 5,060 |
| Professional, scientific and technical services businesses | 3,442 |
| Health care and social assistance businesses | 2,584 |
| Retail trade businesses | 2,500 |
| Real estate, rental and leasing businesses | 2,335 |
| Finance and insurance businesses | 1,690 |
| Administrative, support, waste management and remediation services businesses | 1,560 |
| Transportation and warehousing businesses | 1,115 |
| Accommodation and food services businesses | 1,062 |
| Wholesale trade businesses | 881 |



