1) CALIFORNIA STATE ASSOCIATION OF ELECTRICAL WORKERS

2) CALIFORNIA STATE LABOR MANAGEMENT COOPERATION COMMITTEE FOR THE INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS AND THE NATIONAL ELECTRICAL CONTRACTORS ASSOCIATION

3) CALIFORNIA STATE PIPE TRADES COUNCIL

4) CALIFORNIA UNIONS FOR RELIABLE ENERGY

5) COMMUNICATIONS WORKERS OF AMERICA, DISTRICT 9

6) INTERNATIONAL ASSOCIATION OF PLUMBING & MECHANICAL OFFICIALS

7) INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS, LOCAL 1245

8) INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS, LOCAL 465

9) INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS, LOCAL 47

10) INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS, LOCAL 659

11) WESTERN STATES COUNCIL OF SHEET METAL WORKERS