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) 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