1) AMERICAN COUNCIL OF ENGINEERING COMPANIES

2) ANIMAL LEGAL DEFENSE FUND

3) BORN FREE USA

4) HDR, INC.

5) INTERNATIONAL FUND FOR ANIMAL WELFARE

6) MILHOUSE ENGINEERING AND CONSTRUCTION, INC, ON BEHALF OF COOK COUNTY DOT

7) NORTHEAST ILLINOIS REGIONAL COMMUTER RAILROAD CORPORATION

8) SAN JOAQUIN REGIONAL RAIL COMMISSION

9) VILLAGE OF ELMWOOD PARK, IL

10) VILLAGE OF LEMONT, IL

11) VILLAGE OF ROSELLE