EX-21.1 3 wldn-20260102xex21d1.htm EX-21.1

Exhibit 21.1

WILLDAN GROUP, INC.

LIST OF SUBSIDIARIES

AS OF JANUARY 2, 2026

Name of Entity

Jurisdiction of
Organization

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.

Public Agency Resources

California

7.

Integral Analytics, Inc.

Ohio

8.

Willdan Energy Co.

Delaware

9.

Energy and Environmental Economics, Inc.

California