(83 different, 86 total RR's listed if I couted right) AR: (14) Arkansas & Missouri Railroad Arkansas Louisiana & Mississippi Railroad Arkansas Midland Railroad Arkansas Southern Dardanelle & Russellville Railroad Delta Southern DeQueen & Eastern Railroad East Camden and Highland Fordyce & Princeton Railroad Fort Smith Railroad Little Rock & Western Railway Missouri & North Arkansas Prescott & Northwestern Reader Railroad LA: (5) Acadiana Railway Company Delta Southern Railroad Louisiana & Delta Railroad Louisiana & North West Railroad New Orleans Public Belt Railroad NM: (5) Arizona Eastern Navajo Mine Railroad Santa Fe Southern Southwestern RR Texas New Mexico OK: (18) Arkansas-Oklahoma Railroad Austin, Todd & Ladd RR Blackwell Northern Cimmaron Valley Farmrail Corporation Grainbelt Corporation Kiamichi Railroad Northwestern Oklahoma RR Port of Muskogee Railroad Public Service of Oklahoma Sand Springs Railway South Kansas & Oklahoma Stillwater Central Texas, Oklahoma & Eastern Tulsa Port of Catoosa Tulsa Sapulpa Union Railway Western Farmers Elec. COOP. Wichita, Tillman & Jackson Rwy TX: (44) Alamo Gulf Coast Railroad Alliance Terminal Railroad Angelia & Neches River RR Austin Western RR Blacklands Railroad Border Pacific Railroad Browsville&Rio Grande International Railroad Corpus Christi Terminal Dallas, Garland & Northeastern Fort Worth & Western Galveston Railroad Georgetown Railroad Company Gulf Colorado&San Saba Kiamichi Railroad Moscow, Camden & San Augustine Orange Port Terminal Panhandle Northern Pecos Valley Southern Point Comfort & Northern Railway Port Terminal Railroad Association Rio Valley Switching Rockdale, Sandow & Southern Sabine River & Northern South Plains & Lamesa South Plains Switching Southeastern International Corporation Southern Switching Co. Temple & Central Texas Texas Central Business Lines Texas City Terminal Railway Texas Gonzales & Northern Texas-New Mexico RR Texas Northeastern Texas Northern Texas Northwestern Texas-Oklahoma RR Texas Pacifico Transportation Texas Rock Crusher Texas South Eastern Timber Rock RR Western Railroad Company West Texas & Lubbock RR Wichita, Tillman & Jackson