1) AECom

2) Allscripts Healthcare Solutions, Inc

3) American Airlines, Inc.

4) American Association of Consumer Credit Professionals

5) American Concrete Pavement Association

6) American Concrete Pipe Association

7) Association of American Railroads

8) Chesapeake Energy

9) Commercial Finance Coalition

10) Consumer Electronics Association (CEA)

11) Delaware Valley Regional Center

12) Direct Primary Care Coalition

13) Dredging Contractors of America

14) Exelon

15) Lawyers for Civil Justice

16) Oklahoma Department of Transportation

17) Partnership To Fight Chronic Disease

18) Portland Cement Association

19) Santa Rosa County, FL

20) SEPTA

21) Stella Jones Corporation (formerly known as McFarland Cascade Holdings, Inc.)

22) Wakpamni Lake Community Corporation - Arrowhead Advance

23) Williams Companies

1) AECom

2) American Airlines, Inc.

3) American Concrete Pavement Association

4) American Concrete Pipe Association

5) Association of American Railroads

6) Chesapeake Energy

7) Consumer Electronics Association (CEA)

8) Dredging Contractors of America

9) Exelon

10) Oklahoma Department of Transportation

11) Portland Cement Association

12) Santa Rosa County, FL

13) Stella Jones Corporation (formerly known as McFarland Cascade Holdings, Inc.)

14) Williams Companies

1) PORTLAND CEMENT ASSOCIATION

1) American Association of Airport Executives

2) American Trucking Associations

3) Automotive Coalition for Traffic Safety

4) CEMEX Inc

5) Fluor Corporation

6) Ford Motor Company

7) General Aviation Manufacturers Association

8) Metropolitan Transportation Commission

9) National Concrete Masonry Association

10) NextNav

11) Pittsburgh-Butler Regional Airport

12) Portland Cement Association

13) Skinny Labs, Inc. dba Spin

14) Southwest Airlines

15) Tri-County Metropolitan Transportation District of Oregon (TriMet)

16) U.S. Chamber of Commerce

1) Portland Cement Association

1) A.M. Best Company, Inc.

2) Air Conditioning, Heating & Refrigeration Institute (FKA Air Conditioning and R)

3) Air Liquide USA LLC

4) Ameren

5) American Automotive Leasing Association (AALA)

6) Arctic Cat Inc.

7) Array Technologies, Inc.

8) Associated Builders and Contractors

9) Association of Plastic Recyclers

10) Bombardier Recreational Products

11) Britax Child Safety, Inc.

12) Builders Hardware Manufacturers Association

13) Cement Kiln Recycling Coalition

14) Cheniere Energy, Inc.

15) COALITION FOR SAFE AND RESPONSIBLE ATV USE

16) COUNCIL OF INDUSTRIAL BOILER OWNERS

17) Delek US Holdings, Inc.

18) Denka Performance Elastomer LLC

19) DTE Energy Corporation

20) Duke Energy Corporation

21) Energy Forward

22) Envirocleanse LLC

23) Enviva LP

24) Equinor US Operations LLC

25) Extruded Polystyrene Foam Association

26) EZ-GO

27) FBI AGENTS ASSOCIATION

28) Geothermal Exchange Organization (GEO)

29) Helix Energy Solutions Group

30) Honda North America Inc.

31) Hunter Douglas, Inc.

32) Inter-Power/AhlCon Partners, L.P. - Colver Power Project

33) Interstate Natural Gas Association of America

34) Kawasaki Motor Corp.

35) KINDER MORGAN, INC

36) Kingspan Insulation LLC

37) Marblegate Asset Management

38) McKinsey & Company

39) National Automobile Dealers Association

40) National Biodiesel Board

41) National Brain Tumor Society

42) Nustar Energy Corporation

43) PET Resin Association

44) Plug Power, Inc.

45) Polaris Industries

46) Portable Generator Manufacturers Association (PGMA)

47) Portland Cement Association

48) Power Tool Institute, Inc.

49) Range Resources Corporation

50) Recreational Off-Highway Vehicle Association (ROHVA)

51) Salt River Project

52) SHINE Medical Technologies

53) Society for Neuro-Oncology

54) SOUTHERN COMPANY

55) Sumitomo Rubber Industries, Ltd.

56) SunCoke Energy, Inc.

57) Thai Union Group PCL

58) The Core Coalition

59) The Judge Rotenberg Center

60) The Trevor Project

61) U.S. Industrial Pellet Association

62) VALERO ENERGY CORP

63) Vistra Energy (FKA Energy Future Holdings)

64) Window Covering Manufacturers Association

65) Yamaha Motor Corporation

1) American Association of Airport Executives

2) Fluor Corporation

3) Ford Motor Company

4) General Aviation Manufacturers Association

5) Metropolitan Transportation Commission

6) National Concrete Masonry Association

7) NextNav

8) Pittsburgh-Butler Regional Airport

9) Portland Cement Association

10) Skinny Labs, Inc. dba Spin

11) Southwest Airlines

12) U.S. Chamber of Commerce