Mississippi Central Railroad
Pioneer Railcorp-owned shortline operating 57 miles of the former IC Jackson District
between Grand Junction, Tennessee and Oxford, Miss.
Monticello Railway Museum
East-Central Illinois museum operates over portion of former IC Havana District.
Shawnee Terminal Railway
Pioneer Railcorp subsidiary (formerly known as Cairo Terminal) operating former ICG
Murphysboro District (ex GM&O) trackage north of Cairo, Ill.
Vandalia Railroad
Pioneer Railcorp subsidiary serving a short stretch of the original IC charter line around
Vandalia, Ill.