There were 14 construction businesses in ZIP code 03070 that employed fewer than five people in 2017, according to County Business Patterns (CBP) statistics provided by the United States Census Bureau.
CBP data indicates that no other industry had more establishments with fewer than five employees in ZIP code 03070 than construction businesses.
The following table shows industries of total establishments with fewer than five employees in ZIP code 03070 in 2017.
| Industry | Total Establishments |
|---|---|
| Construction businesses | 14 |
| Professional, scientific and technical services businesses | 10 |
| Real estate, rental and leasing businesses | 7 |
| Administrative, support, waste management and remediation services businesses | 7 |
| Retail trade businesses | 5 |
| Wholesale trade businesses | 4 |
| Transportation and warehousing businesses | 4 |


