• Alabama & Gulf Coast Railway
• Alabama & Tennesse Railway, LLC
• The Bay Line Railroad, LLC
• BNSF Railway Company
• CN Railroad
• C G Railway
• Conecuh Valley Railroad
• CSX Transportation
• Eastern Alabama Railway
• Georgia Southwestern Railroad, Inc
• Heart of Georgia Railroad, Inc.
• Huntsville and Madison County
• Luxapalila Valley Railroad Co.R
• M & B Railroad , LLCra
• Norfolk Southern Railway Co.ro
• Sequatchie Valley Railroad
• Southern Electric Railroad
• Tennessee Southern Railroad Co
• Terminal Railway Alabama State Docks
• Three Notch Railroad Co., Inc.
• Wiregrass Central Railroad

Associate Members

• A & K Railroad Materials, Inc.
• Boatright Enterprise
• C & S Signaling
• Century Group
• Crouch Engineering
• CSR Engineering
• D.R. Davies Contractor
• L. B. Foster
• HDR Engineering, Inc.
• Hatch and Kirk, Inc.
• Healey Railroad
• Koppers, Inc.
• McCord Tie and Timber, Inc.
• Midsouth Railroad Service
• Neel-Schaffer
• Omega Rail Management
• Pointer Smith Contracting Co.
• Railcar Management
• Railroad Signal International
• Railworks Track Systems, Inc.
• Tangent rail
• Unitrack Railroad Materials, Inc.