The global cable tray market size was valued at USD 6. 14 billion by 2034, exhibiting a CAGR of 10. 35% during the forecast period. The. Global Outlook – By Type (Ladder Type Cable Trays, Solid Bottom Cable Trays, Trough Cable Trays, Channel Cable Trays, Wire Mesh Cable Trays, Single Rail Cable Trays), By Material Type (Steel, Stainless Steel, Aluminum, Other Material Types), By Finishing (Galvanized Coatings, Pre-Galvanized. The global cable tray market size was valued at USD 4.