Alamo Gulf Coast Railroad
Angelina & Neches River Railroad Co.
Austin Area Terminal Railroad
Blacklands Railroad
Border Pacific Railroad Co.
Brownsville & Rio Grande Int'l Railroad
Corpus Christi Terminal Railroad
Dallas, Garland & Northeastern Railroad
Formosa Plastics Corporation
Fort Worth & Western Railroad
Galveston Railroad, L. P.
Georgetown Railroad Co.
Grainbelt Corporation
Gulf, Colorado & San Saba Railway
Hondo Railway, LLC

Kiamichi Railroad Co.
Panhandle Northern Railroad Company
Pecos Valley Southern Railway Co.
Point Comfort & Northern Railway Co.
Rio Valley Switching Company
Rockdale, Sandow & Southern Railroad Co.
Sabine River & Northern Railroad
South Plains Lamesa Railroad Ltd.
Southern Switching Company
Southwestern Railroad, Inc.
Texas Central Business Lines Corporation
Texas Gonzales & Northern Railway Co.
Texas Mexican Railway Company
Texas - New Mexico Railroad Co., Inc.
Texas North Western Railway Co.
Texas Northeastern Railroad
Texas & Northern Railway Co.
Texas Rock Crusher Railway Co.
Texas South-Eastern Railroad Co.
Timber Rock Railroad
West Texas and Lubbock Railway Co.
Western Rail Road Company
Wichita, Tillman & Jackson Railway Co.