Rockdale Sandow and Southern Railroad Company
Burlington Northern and Santa Fe Railway Company
Texas Gonzales and Northern Railway Company
Dakota Minnesota and Eastern Railroad Corporation
Columbus and Ohio River Railroad Company
Durbin and Greenbrier Valley Railroad, d/b/a West Virginia Central
Virginia Southern Division, North Carolina and Virginia Railroad
Camp Chase Industrial Railroad Corporation
Elgin Joliet and Eastern Railway Company
Chicago SouthShore and South Bend Railroad
Amtrak (National Railroad Passenger Corporation)
Georgia Southwestern Division, South Carolina Central Railroad Company
Knoxville and Holston River Railroad Company, Incorporated
Florida Central Railroad Company, Incorporated
Florida Northern Railroad Company, Incorporated
R.J. Corman Railroad Company/ Pennsylvania Lines, Incorporated
Akron and Barberton Cluster Railway Company
Akron and Barberton Belt Railroad Company
Northern Ohio and Western Railway, Limited
Buffalo and Pittsburgh Railroad, Incorporated
Allegheny and Eastern Railroad, Incorporated
Greater Shenandoah Valley Development Company, d/b/a Shenandoah Valley Railroad
St. Lawrence and Atlantic Railroad Company
Nebraska Kansas and Colorado RailNet, Incorporated
Norfolk and Portsmouth Belt Line Railroad Company
Grand Rapids Eastern Railroad, Incorporated
Kankakee Beaverville and Southern Railroad Company
Dakota Missouri Valley and Western Railroad, Incorporated
Pittsburg and Shawmut Railroad, Incorporated
R.J. Corman Railroad Company/ Western Ohio Line
Central Railroad Company of Indianapolis
WWisconsin and Southern Railroad Company
Central Indiana and Western Railroad Company
Texas and New Mexico Division, Austin and Northwestern Railroad Company, Limited
Wichita Tillman and Jackson Railway Company, Incorporated
Texas Northeastern Division, Mid-Michigan Railroad, Incorporated
Stillwater Central Railroad Company, Incorporated
Dallas Garland and Northeastern Railroad, Incorporated
Council Bluffs Railway Company/Great Western Railway of Iowa, LLC
Florida Midland Railroad Company, Incorporated
South Central Florida Express, Incorporated
Tucson Cornelia and Gila Bend Railroad Company
Middletown and Hummelstown Railroad Company
Carbon & Schuylkill Railroad Corporation
East Mahanoy and Hazelton Railroad Company
Reading Blue Mountain and Northern Railroad Company
Pioneer Valley Railroad Company, Incorporated
New England Central Railroad, Incorporated
New York Cross Harbor Railroad Terminal Corporation
Morristown and Erie Railway, Incorporated
New York Susquehanna and Western Railway Corporation
Middletown and New Jersey Railway Company, Incorporated
Lowville and Beaver River Railroad Company
Mohawk Adirondack and Northern Railroad Corporation
Dansville and Mount Morris Railroad Company
Livonia Avon and Lakeville Railroad Corporation
Western New York and Pennsylvania Railroad
Batten Kill Railroad Company, Incorporated
Falls Road Railroad Company, Incorporated
Golden Isles Terminal Railroad, Incorporated
Florida West Coast Railroad, Incorporated
International Bridge and Terminal Company
Minnesota Dakota and Western Railway Company
Lake Superior and Ishpeming Railroad Company
Escanaba and Lake Superior Railroad Company
Saginaw Valley Railway Company, Incorporated
Ashtabula Carson Jefferson Railroad Company
Union Railroad Company (Pittsburgh, Pennsylvania)
R.J. Corman Railroad Company/ Cleveland line
EASX Corporation, d/b/a EASX Railroad Corporation
Central Oregon and Pacific Railroad, Incorporated
Holidaysburg and Roaring Spring Railroad Company
Turtle Creek Industrial Railroad, Incorporated
Kentucky West Tennessee Railway, Incorporated
Cascade and Columbia River Railroad Company
Mississippi and Skuna Valley Railroad Company
Chattooga and Chickamauga Railway Company
Southern Freight Logistics, LLC, d/b/a Southern Freight Railroad
Huntsville and Madison County Railroad Authority
Mississippi and Tennessee RailNet, Incorporated
Southern California Regional Rail Authority
San Diego and Imperial Valley Railroad Company
Ferdinand and Huntingburg Railroad Company
Indiana Southern Railroad Company, Incorporated
Madison Railroad, Division of City of Madison Port Authority
R.J. Corman Railroad Company/ Memphis Line
Louisville New Albany and Corydon Railroad
Central of Tennessee Railway and Navigation Company
Duluth Missabe and Iron Range Railway Company
Georgia and Alabama Division, South Carolina Central Railroad Company
Southern Alabama Railroad Company, Incorporated
Georgia Great Southern Division, South Carolina Central Railroad Company
Alabama and Florida Railroad, Incorporated
New Orleans and Gulf Coast Railway Company, Incorporated
New Orleans Lower Coast Railroad, Incorporated
New York and Ogdensburg Railway Company, Incorporated
Northeast Kansas and Missouri Division, Mid-Michigan Railroad, Incorporated
Green Hills Rural Development, d/b/a Chillicothe-Brunswick Rail Maintenance Authority
City of Columbia, d/b/a Columbia Terminal
Terminal Railroad Association of St. Louis
Amtrak (National Raolroad Passenger Corporation)
Missouri and Northern Arkansas Railroad Company
Tennessee Central Railway - Bi-State Transit
Amtrak (National Railroad  Passenger Corporation)
Colorado Kansas and Pacific Railway Company
Durango and Silverton Narrow Gauge Railroad
New Brunswick Southern Railway Company, Limited
New Hampshire and Vermont Railroad Company
Montana Western Railway Company, Incorporated
Palouse River and Coulee City Railroad, Incorporated
Portland and Western Railroad, Incorporated
City of Tacoma, d/b/a Tacoma Rail Mountain Division
Puget Sound and Pacific Railroad Company
Hilvista Investment Company, d/b/a Molalia Western Railway
Salt Lake Garfield and Western Railway Company
Santa Cruz Big Trees and Pacific Railway Company
High Point Thomasville and Denton Railroad
Hampton and Branchville Railroad Company, Incorporated
East Cooper and Berkeley Railroad Company
Carolina Piedmont Division, South Carolina Central Railroad Company
Laurinburg and Southern Railroad Company
San Pedro and Southwestern Railway Company
Great River Railroad, d/b/a Rosedale-Bolivar County Port Comm.
Dardanelle and Russellville Railroad, Incorporated
De Queen and Eastern Railroad, Incorporated
Texas Oklahoma and Eastern Railroad Company
Arkansas Louisiana and Mississippi Railroad Company
Louisiana and North West Railroad Company
Moscow Camden and San Augustine Railroad
Sabine River and Northern Railroad Company
Louisiana and Delta Railroad, Incorporated
Tulsa-Sapulpa Union Railway Company, LLC
Dodge City Ford and Bucklin Railroad Company, Incorporated