1) AMERICAN CONCRETE PIPE ASSOCIATION OF CALIFORNIA (ACPA-CA)

2) ASSOCIATION OF PLASTIC RECYCLERS (APR), THE

3) CALAVERAS CEMENT COMPANY

4) CALIFORNIA CEMENT PROMOTION COUNCIL

5) CALIFORNIA FILM EXTRUDERS & CONVERTERS ASSOCIATION

6) CALIFORNIA LARGE ENERGY CONSUMERS ASSOCIATION

7) CALIFORNIA MOUNTAIN BIKING COALITION (CAMTB)

8) CALIFORNIA OUTDOOR RECREATION PARTNERSHIP, INC. (CORP)

9) CALIFORNIA PARK & RECREATION SOCIETY

10) CALIFORNIA PORTLAND CEMENT COMPANY

11) CALIFORNIA PRECAST CONCRETE ASSOCIATION

12) CALIFORNIA TRAILS FOUNDATION

13) CEMEX INC.

14) CJ BIOMATERIALS, INC.

15) EVEZ CHARGING FOUNDATIONS

16) KB CENTER LLC

17) MITSUBISHI CEMENT COMPANY (MCC)

18) NATIONAL CEMENT COMPANY (NCC)

19) NATURE WORKS LLC

20) NORTH LAKE TAHOE RESORT ASSOCIATION

21) NORTH TAHOE FIRE PROTECTION DISTRICT

22) NORTH TAHOE PUBLIC UTILITY DISTRICT

23) NOVAMONT NORTH AMERICA, INC.

24) PACIFIC STEEL GROUP (PSG)

25) PCI WEST

26) POTENTIAL INDUSTRIES, INC.

27) PRE-CON PRODUCTS

28) PROTECT AMERICAN RIVER CANYONS (PARC)

29) RIO TINTO SERVICES, INC.

30) SAVE MOUNT DIABLO

31) SIERRA BUSINESS COUNCIL

32) SIERRA CONSORTIUM

33) SONOMA COUNTY REGIONAL PARKS

34) SOUTH TAHOE PUBLIC UTILITY DISTRICT

35) TAHOE CITY PUBLIC UTILITY DISTRICT

36) U.S. BORAX INC.

37) UNACEM NORTH AMERICA

38) VLS ENVIRONMENTAL SOLUTIONS