Alaska Railroad Corporation

Anacostia Rail Holdings Co.

BNSF Railway Company

CSX Corporation

Canadian National Railway Co.

Canadian Pacific Railway

Florida East Coast Railway

Genesee & Wyoming Inc.

Iowa Interstate Railroad Ltd.

Kansas City Southern

Metra

National Railroad Passenger Corporation

Norfolk Southern Railway Company

Texas Mexican Railway Company

Union Pacific Railroad

Vermont Railway

Watco Companies, Inc.

Wheeling & Lake Erie Railway