Exhibit 21.1
LIST OF SUBSIDIARIES
AS OF DECEMBER 27, 2024
| | Name of Entity | | Jurisdiction of | |
1. | | Willdan Electrical of NY, Inc. | | New York | |
2. | | Willdan Engineering | | California | |
3. | | Willdan Energy Solutions | | California | |
4. | | Willdan Financial Services | | California | |
5. | | Willdan Lighting & Electric, Inc. | | Delaware | |
6. | | Electrotec of NY Electrical Inc. | | New York | |
7. | | Public Agency Resources | | California | |
8. | | Integral Analytics, Inc. | | Ohio | |
9. | | Willdan Energy Co. | | Delaware | |
10. | | Energy and Environmental Economics, Inc. | | California | |