1) CLACKAMAS COUNTY, OR

2) Confederated Tribes of Grand Ronde

3) Friends of Frog Ferry

4) Metro

5) National Forest Homeowners

6) Oregon Independent Medical Clinics

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

8) Yamhill County, Oregon

1) American Concrete Pipe Association

2) Ascend Performance Materials LLC

3) AUTODESK, INC

4) City of Lynnwood, WA

5) CITY OF TUKWILA (WA)

6) CLACKAMAS COUNTY, OR

7) Confederated Tribes of Grand Ronde

8) Forterra

9) Friends of Frog Ferry

10) Lone Elk Partners

11) Metro

12) Metropolitan Transportation Commission

13) National Forest Homeowners

14) Norfolk Southern

15) Oregon Independent Medical Clinics

16) Oregon Shipping Group

17) Owner-Operators Independent Drivers Association

18) Port of Hood River, Oregon

19) Port of Pasco

20) PORT OF WALLA WALLA

21) Professional Engineers in California Government

22) Rail Security Alliance

23) Rails to Trails Conservancy

24) SB Capitol Solutions on behalf of U.S. Travel Association

25) Texas Central Partners

26) The Association of Union Constructors

27) The Doerrer Group on behalf of Uber Technologies, Inc.

28) THE GREENBRIER COMPANIES

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

30) Washington State Department of Transportation

31) Yamhill County, Oregon