1) AGGREPLEX AND ITS AFFILIATED ENTITIES

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

3) AMERICAN SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS

4) ASSOCIATION OF POSTCONSUMER PLASTIC RECYCLERS (APR)

5) BIODEGRADABLE PRODUCTS INSTITUTE (BPI)

6) CALAVERAS CEMENT COMPANY

7) CALIFORNIA LARGE ENERGY CONSUMERS ASSOCIATION

8) CALIFORNIA MOUNTAIN BIKING COALITION (CAMTB)

9) CALIFORNIA NEVADA CEMENT ASSOCIATION (CNCA)

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

11) CALIFORNIA PARK & RECREATION SOCIETY

12) CALIFORNIA PRECAST CONCRETE ASSOCIATION

13) CALIFORNIA TRAILS FOUNDATION

14) CALPORTLAND COMPANY

15) CEMEX INC.

16) CJ BIOMATERIALS, INC.

17) EVEZ CHARGING FOUNDATIONS

18) HANSON PERMANENTE CEMENT, INC.

19) KB CENTER LLC

20) LOS ANGELES, COUNTY OF

21) MITSUBISHI CEMENT COMPANY (MCC)

22) NATIONAL CEMENT COMPANY OF CALIFORNIA

23) NATUREWORKS LLC

24) NORTH LAKE TAHOE RESORT ASSOCIATION, INC. DBA NORTH TAHOE COMMUNITY ALLIANCE

25) NORTH TAHOE FIRE PROTECTION DISTRICT

26) NORTH TAHOE PUBLIC UTILITY DISTRICT

27) NOVAMONT NORTH AMERICA, INC.

28) PACIFIC STEEL GROUP (PSG)

29) PCI WEST

30) POTENTIAL INDUSTRIES, INC.

31) PRE-CON PRODUCTS

32) PROTECT AMERICAN RIVER CANYONS (PARC)

33) RECYCLING PARTNERSHIP, THE

34) RIO TINTO SERVICES, INC.

35) SAVE MOUNT DIABLO

36) SIERRA BUSINESS COUNCIL

37) SIERRA CONSORTIUM

38) SONOMA COUNTY REGIONAL PARKS

39) SOUTH TAHOE PUBLIC UTILITY DISTRICT

40) TAHOE CITY PUBLIC UTILITY DISTRICT

41) U.S. BORAX INC.

42) UNACEM NORTH AMERICA (DRAKE CEMENT & TEHACHAPI CEMENT)

43) VLS ENVIRONMENTAL SOLUTIONS

44) WESTERN PLASTICS ASSOCIATION