Only current railroads are listed here.

Common carriers

• Alabama and Gulf Coast Railway (AGR) [1]
• Amtrak (AMTK) [2] (federally owned by the National Railroad Passenger Corporation)
• Burlington Northern Santa Fe Railway (BNSF) [3]
• Canadian National Railway (CN) [4]
• Columbus and Greenville Railway (CAGY) [5]
• CSX Transportation (CSXT) [6]
• Gloster Southern Railroad (GLSR)
• Golden Triangle Railroad (GTRA)
• Great River Railroad (GTR)
• Kansas City Southern Railway (KCS) [7]
• Kosciusko and Southwestern Railway (KSRY?) [8]
• Luxapalila Valley Railroad (LXVR) [9]
• M and B Railroad (MB) [10]
• Meridian Southern Railway (MDS)
• Mississippi and Skuna Valley Railroad (MSV)
• Mississippi Central Railroad (MSCI) [11]
• Mississippi Delta Railroad (MSDR)
• Mississippi Export Railroad (MSE) [12]
• Mississippi Tennessee Railroad (?)
• Mississippian Railway Cooperative (MSRW)
• Norfolk Southern Railway (NS) [13]
• Old Augusta Railroad (OAR)
• Pearl River Valley Railroad (PRV)
• Port Bienville Railroad (PBVR) [14]
• Redmont Railway (RRCI)

Sources

• Mississippi DOT railroad map (PDF)