1) AIR LIQUIDE USA LLC

2) AMEREN

3) AMERICAN LEADS ALLIANCE

4) ASSOCIATION OF PLASTIC RECYCLERS

5) AVERY DENNISON CORPORATION

6) BEX CARBON

7) CAPITAL POWER OPERATIONS (USA) INC.(FORMERLY KNOWN AS CAPITAL POWER CORPORATION)

8) CEMENT KILN RECYCLING COALITION

9) DENKA PERFORMANCE ELASTOMER LLC

10) DT MIDSTREAM, INC.

11) DUKE ENERGY CORPORATION

12) ENERGY FORWARD

13) FBI AGENTS ASSOCIATION

14) GEVO, INC.

15) GULF COAST WATER AUTHORITY

16) KINDER MORGAN, INC

17) MARITIME INNOVATION COALITION

18) METHANEX (DBA METHANEX USA LLC, METHANEX LOUISIANA LLC, METHANEX GEISMAR III LLC

19) MODINE MANUFACTURING COMPANY

20) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

21) POET LLC

22) SALT RIVER PROJECT

23) STANDARD INDUSTRIES, INC.

24) SYSCO CORP

25) THIRD COAST SUPER HOLDINGS, LLC

26) TURN FORWARD, A PROJECT OF MULTIPLIER

27) VALERO ENERGY CORP

28) VERTEX ENERGY, INC

29) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)

1) SALT RIVER PROJECT

1) SALT RIVER PROJECT

1) CHICANOS POR LA CAUSA

2) PANO AI

3) PINNACLE WEST CAPITAL CORPORATION

4) RESOLUTION COPPER MINING LLC

5) SALT RIVER PROJECT

6) TOTAL WINE & MORE

7) UNIVERSITY OF ARIZONA

8) WESTERN ALLIANCE BANK

1) AIR CONDITIONING HEATING & REFRIGERATION INSTITUTE (FKA AIR CONDITIONING AND R)

2) AIR LIQUIDE USA LLC

3) AMEREN

4) AMERICAN CEMENT ASSOCIATION (FORMERLY PORTLAND CEMENT ASSOCIATION)

5) AMERICAN LEADS ALLIANCE

6) AVERY DENNISON CORPORATION

7) CEMENT KILN RECYCLING COALITION

8) DUKE ENERGY CORPORATION

9) ENERGY FORWARD

10) GEVO, INC.

11) GULF COAST WATER AUTHORITY

12) KINDER MORGAN, INC

13) MARITIME INNOVATION COALITION

14) METHANEX (DBA METHANEX USA LLC, METHANEX LOUISIANA LLC, METHANEX GEISMAR III LLC

15) MODINE MANUFACTURING COMPANY

16) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

17) SALT RIVER PROJECT

18) SOUTHERN COMPANY

19) STANDARD INDUSTRIES, INC.

20) SYSCO CORP

21) THE METHANOL INSTITUE

22) VALERO ENERGY CORP

23) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)

1) AIR CONDITIONING HEATING & REFRIGERATION INSTITUTE (FKA AIR CONDITIONING AND R)

2) AIR LIQUIDE USA LLC

3) AMEREN

4) AMERICAN CEMENT ASSOCIATION (FORMERLY PORTLAND CEMENT ASSOCIATION)

5) AMERICAN LEADS ALLIANCE

6) AVERY DENNISON CORPORATION

7) CEMENT KILN RECYCLING COALITION

8) DUKE ENERGY CORPORATION

9) ENERGY FORWARD

10) GULF COAST WATER AUTHORITY

11) KINDER MORGAN, INC

12) MARITIME INNOVATION COALITION

13) METHANEX (DBA METHANEX USA LLC, METHANEX LOUISIANA LLC, METHANEX GEISMAR III LLC

14) MODINE MANUFACTURING COMPANY

15) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

16) SALT RIVER PROJECT

17) SOUTHERN COMPANY

18) STANDARD INDUSTRIES, INC.

19) THE METHANOL INSTITUE

20) THIRD COAST SUPER HOLDINGS, LLC

21) TURN FORWARD, A PROJECT OF MULTIPLIER

22) VALERO ENERGY CORP

23) VERTEX ENERGY, INC

24) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)

1) CHICANOS POR LA CAUSA

2) PANO AI

3) PINNACLE WEST CAPITAL CORPORATION

4) RESOLUTION COPPER MINING LLC

5) SALT RIVER PROJECT

6) TOTAL WINE & MORE

7) UNIVERSITY OF ARIZONA

8) WESTERN ALLIANCE BANK

1) BUCKSKIN SANITARY DISTRICT

2) CITY OF BUCKEYE (ARIZONA)

3) CITY OF COTTONWOOD

4) CITY OF DOUGLAS, ARIZONA

5) CITY OF FLAGSTAFF

6) CITY OF GLOBE, ARIZONA

7) CITY OF GOODYEAR (ARIZONA)

8) CITY OF KINGMAN

9) CITY OF MARICOPA

10) CITY OF SOMERTON (AZ)

11) CITY OF SURPRISE

12) CITY OF TOLLESON

13) CITY OF WILLISTON (ND)

14) CITY OF WINSLOW

15) COCONINO COUNTY

16) DOUGLAS COUNTY

17) DOUGLAS COUNTY SEWER DISTRICT NO. 1

18) GRAND RIVER BANDS OF OTTAWA INDIANS

19) HUDBAY MINERALS INC.

20) HYDRONALIX, INC.

21) MOUNTAIN CAPITAL PARTNERS, LLC

22) NORTHERN ARIZONA INTERGOVERNMENTAL PUBLIC TRANSPORTATION AUTHORITY

23) PAGE UTILITY ENTERPRISES

24) PIMA COUNTY

25) SALT RIVER PROJECT

26) SANTA CRUZ COUNTY

27) TOWN OF SAHUARITA

28) TOWN OF SUPERIOR (ARIZONA)

29) TOWN OF TUSAYAN

30) TRI-CITY REGIONAL SANITARY DISTRICT

1) AMERICAN ELECTRIC POWER

2) AT&T

3) SALT RIVER PROJECT

1) BUCKSKIN SANITARY DISTRICT

2) CITY OF BUCKEYE (ARIZONA)

3) CITY OF COTTONWOOD

4) CITY OF DOUGLAS, ARIZONA

5) CITY OF FLAGSTAFF

6) CITY OF GLOBE, ARIZONA

7) CITY OF GOODYEAR (ARIZONA)

8) CITY OF KINGMAN

9) CITY OF MARICOPA

10) CITY OF SOMERTON (AZ)

11) CITY OF SURPRISE

12) CITY OF TOLLESON

13) CITY OF WILLISTON (ND)

14) CITY OF WINSLOW

15) COCONINO COUNTY

16) DOUGLAS COUNTY

17) DOUGLAS COUNTY SEWER DISTRICT NO. 1

18) GRAND RIVER BANDS OF OTTAWA INDIANS

19) HYDRONALIX, INC.

20) MOUNTAIN CAPITAL PARTNERS, LLC

21) NORTHERN ARIZONA INTERGOVERNMENTAL PUBLIC TRANSPORTATION AUTHORITY

22) PAGE UTILITY ENTERPRISES

23) PIMA COUNTY

24) SALT RIVER PROJECT

25) SANTA CRUZ COUNTY

26) TOWN OF SAHUARITA

27) TOWN OF SUPERIOR (ARIZONA)

28) TOWN OF TUSAYAN

29) TRI-CITY REGIONAL SANITARY DISTRICT

1) AIR CONDITIONING HEATING & REFRIGERATION INSTITUTE (FKA AIR CONDITIONING AND R)

2) AIR LIQUIDE USA LLC

3) AMEREN

4) AMERICAN CEMENT ASSOCIATION (FORMERLY PORTLAND CEMENT ASSOCIATION)

5) AMERICAN LEADS ALLIANCE

6) CAMECO CORPORATION

7) CEMENT KILN RECYCLING COALITION

8) DENKA PERFORMANCE ELASTOMER LLC

9) DT MIDSTREAM, INC.

10) DUKE ENERGY CORPORATION

11) ENERGY FORWARD

12) GEOTHERMAL EXCHANGE ORGANIZATION (GEO)

13) HEIDELBERG MATERIALS

14) KINDER MORGAN, INC

15) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

16) PLUG POWER, INC.

17) REPSOL SERVICES COMPANY

18) SALT RIVER PROJECT

19) SOUTHERN COMPANY

20) SUNGAS RENEWABLES INC

21) TELE-FONIKA CABLE AMERICAS CORPORATION

22) THE TREVOR PROJECT

23) VALERO ENERGY CORP

24) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)

1) AMEREN

2) AMERICAN CEMENT ASSOCIATION (FORMERLY PORTLAND CEMENT ASSOCIATION)

3) AQUESTIVE THERAPEUTICS

4) AVERY DENNISON CORPORATION

5) CAMECO CORPORATION

6) CEMENT KILN RECYCLING COALITION

7) DUKE ENERGY CORPORATION

8) ELECTRICITY CANADA

9) ENERGY FORWARD

10) GEOTHERMAL EXCHANGE ORGANIZATION (GEO)

11) GEVO, INC.

12) GLOBAL LASER ENRICHMENT LLC

13) HEIDELBERG MATERIALS

14) MARITIME INNOVATION COALITION

15) METHANEX (DBA METHANEX USA LLC, METHANEX LOUISIANA LLC, METHANEX GEISMAR III LLC

16) REPSOL SERVICES COMPANY

17) SALT RIVER PROJECT

18) SOUTHERN COMPANY

19) SUNGAS RENEWABLES INC

20) THE METHANOL INSTITUE

21) THIRD COAST SUPER HOLDINGS, LLC

22) VALERO ENERGY CORP

23) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)

1) BUCKSKIN SANITARY DISTRICT

2) CITY OF BUCKEYE (ARIZONA)

3) CITY OF COTTONWOOD

4) CITY OF DOUGLAS, ARIZONA

5) CITY OF FLAGSTAFF

6) CITY OF GLOBE, ARIZONA

7) CITY OF GOODYEAR (ARIZONA)

8) CITY OF KINGMAN

9) CITY OF MARICOPA

10) CITY OF SOMERTON (AZ)

11) CITY OF SURPRISE

12) CITY OF TOLLESON

13) CITY OF WILLISTON (ND)

14) CITY OF WINSLOW

15) COCONINO COUNTY

16) DOUGLAS COUNTY

17) DOUGLAS COUNTY SEWER DISTRICT NO. 1

18) GRAND RIVER BANDS OF OTTAWA INDIANS

19) HUDBAY MINERALS INC.

20) HYDRONALIX, INC.

21) MOUNTAIN CAPITAL PARTNERS, LLC

22) NORTHERN ARIZONA INTERGOVERNMENTAL PUBLIC TRANSPORTATION AUTHORITY

23) PAGE UTILITY ENTERPRISES

24) PIMA COUNTY

25) SALT RIVER PROJECT

26) SANTA CRUZ COUNTY

27) TOWN OF SAHUARITA

28) TOWN OF SUPERIOR (ARIZONA)

29) TOWN OF TUSAYAN

30) TRI-CITY REGIONAL SANITARY DISTRICT

1) AIR CONDITIONING HEATING & REFRIGERATION INSTITUTE (FKA AIR CONDITIONING AND R)

2) AIR LIQUIDE USA LLC

3) AMEREN

4) BEX CARBON

5) CLEAN FUELS ALLIANCE AMERICA (FORMERLY REPORTED AS NATIONAL BIODIESEL BOARD)

6) DARLING INGREDIENTS INC.

7) DT MIDSTREAM, INC.

8) DUKE ENERGY CORPORATION

9) ENERGY FORWARD

10) FUEL CELL AND HYDROGEN ENERGY ASSOCIATION

11) GEOTHERMAL EXCHANGE ORGANIZATION (GEO)

12) MARITIME INNOVATION COALITION

13) PLUG POWER, INC.

14) POET LLC

15) SALT RIVER PROJECT

16) SOUTHERN COMPANY

17) THAI UNION GROUP PCL

18) THE COALITION FOR RENEWABLE NATURAL GAS

19) THE METHANOL INSTITUE

20) VALERO ENERGY CORP

21) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)

22) WESTINGHOUSE ELECTRIC COMPANY LLC