1) AIR LIQUIDE USA LLC

2) AMEREN

3) ASSOCIATION OF PLASTIC RECYCLERS

4) AVERY DENNISON CORPORATION

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

6) CEMENT KILN RECYCLING COALITION

7) DENKA PERFORMANCE ELASTOMER LLC

8) DT MIDSTREAM, INC.

9) DUKE ENERGY CORPORATION

10) ENERGY FORWARD

11) FBI AGENTS ASSOCIATION

12) GEVO, INC.

13) GULF COAST WATER AUTHORITY

14) KINDER MORGAN, INC

15) MARITIME INNOVATION COALITION

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

17) MODINE MANUFACTURING COMPANY

18) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

19) POET LLC

20) PORTABLE GENERATOR MANUFACTURERS ASSOCIATION (PGMA)

21) SALT RIVER PROJECT

22) STANDARD INDUSTRIES, INC.

23) VALERO ENERGY CORP

24) 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) AVERY DENNISON CORPORATION

6) CEMENT KILN RECYCLING COALITION

7) DUKE ENERGY CORPORATION

8) ENERGY FORWARD

9) GEVO, INC.

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) PORTABLE GENERATOR MANUFACTURERS ASSOCIATION (PGMA)

17) SALT RIVER PROJECT

18) SOUTHERN COMPANY

19) STANDARD INDUSTRIES, INC.

20) THE METHANOL INSTITUE

21) VALERO ENERGY CORP

22) 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 TOLLESON

12) CITY OF WILLISTON (ND)

13) CITY OF WINSLOW

14) COCONINO COUNTY

15) DOUGLAS COUNTY

16) DOUGLAS COUNTY SEWER DISTRICT NO. 1

17) GRAND RIVER BANDS OF OTTAWA INDIANS

18) HUDBAY MINERALS INC.

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) 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 TOLLESON

12) CITY OF WILLISTON (ND)

13) CITY OF WINSLOW

14) COCONINO COUNTY

15) DOUGLAS COUNTY

16) DOUGLAS COUNTY SEWER DISTRICT NO. 1

17) GRAND RIVER BANDS OF OTTAWA INDIANS

18) HYDRONALIX, INC.

19) MOUNTAIN CAPITAL PARTNERS, LLC

20) NORTHERN ARIZONA INTERGOVERNMENTAL PUBLIC TRANSPORTATION AUTHORITY

21) PAGE UTILITY ENTERPRISES

22) PIMA COUNTY

23) SALT RIVER PROJECT

24) SANTA CRUZ COUNTY

25) TOWN OF SAHUARITA

26) TOWN OF SUPERIOR (ARIZONA)

27) TOWN OF TUSAYAN

28) 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) CAMECO CORPORATION

6) CEMENT KILN RECYCLING COALITION

7) DENKA PERFORMANCE ELASTOMER LLC

8) DT MIDSTREAM, INC.

9) DUKE ENERGY CORPORATION

10) ENERGY FORWARD

11) GEOTHERMAL EXCHANGE ORGANIZATION (GEO)

12) HEIDELBERG MATERIALS

13) KINDER MORGAN, INC

14) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

15) PLUG POWER, INC.

16) PORTABLE GENERATOR MANUFACTURERS ASSOCIATION (PGMA)

17) REPSOL SERVICES COMPANY

18) SALT RIVER PROJECT

19) SOUTHERN COMPANY

20) TELE-FONIKA CABLE AMERICAS CORPORATION

21) THE TREVOR PROJECT

22) VALERO ENERGY CORP

23) 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) VALERO ENERGY CORP

22) 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 TOLLESON

12) CITY OF WILLISTON (ND)

13) CITY OF WINSLOW

14) COCONINO COUNTY

15) DOUGLAS COUNTY

16) DOUGLAS COUNTY SEWER DISTRICT NO. 1

17) GRAND RIVER BANDS OF OTTAWA INDIANS

18) HUDBAY MINERALS INC.

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

5) DARLING INGREDIENTS INC.

6) DT MIDSTREAM, INC.

7) DUKE ENERGY CORPORATION

8) ENERGY FORWARD

9) FUEL CELL AND HYDROGEN ENERGY ASSOCIATION

10) GEOTHERMAL EXCHANGE ORGANIZATION (GEO)

11) MARITIME INNOVATION COALITION

12) PLUG POWER, INC.

13) POET LLC

14) SALT RIVER PROJECT

15) SOUTHERN COMPANY

16) THAI UNION GROUP PCL

17) THE COALITION FOR RENEWABLE NATURAL GAS

18) THE METHANOL INSTITUE

19) VALERO ENERGY CORP

20) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)