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 OUTDOORS RECREATION PARTNERSHIP (CORP)

11) CALIFORNIA PARK & RECREATION SOCIETY

12) CALIFORNIA PRECAST CONCRETE ASSOCIATION

13) CALIFORNIA TRAILS FOUNDATION

14) CALPORTLAND COMPANY

15) CEMEX INC.

16) EVEZ CHARGING FOUNDATIONS

17) HANSON PERMANENTE CEMENT

18) LOS ANGELES, COUNTY OF

19) MITSUBISHI CEMENT COMPANY (MCC)

20) NATIONAL CEMENT COMPANY OF CALIFORNIA

21) NATURE WORKS LLC

22) NORTH LAKE TAHOE RESORT ASSOCIATION

23) NORTH TAHOE FIRE PROTECTION DISTRICT

24) NORTH TAHOE PUBLIC UTILITY DISTRICT

25) NOVAMONT NORTH AMERICA, INC.

26) PACIFIC STEEL GROUP (PSG)

27) PCI WEST

28) POTENTIAL INDUSTRIES, INC.

29) PRE-CON PRODUCTS

30) PROTECT AMERICAN RIVER CANYONS (PARC)

31) RECYCLING PARTNERSHIP, THE

32) RIO TINTO SERVICES, INC.

33) SAVE MOUNT DIABLO

34) SIERRA BUSINESS COUNCIL

35) SIERRA CONSORTIUM

36) SONOMA COUNTY REGIONAL PARKS

37) SOUTH TAHOE PUBLIC UTILITY DISTRICT

38) TAHOE CITY PUBLIC UTILITY DISTRICT

39) U.S. BORAX INC.

40) UNACEM NORTH AMERICA

41) VLS ENVIRONMENTAL SOLUTIONS

42) WESTERN PLASTICS ASSOCIATION