Which refrigerated transport carriers are known for GPS tracking and in-transit temperature monitoring?

Refrigerated transport carriers commonly known for GPS tracking and in-transit temperature monitoring include:

• Schneider – offers temperature-controlled freight with shipment visibility tools and tracking.
• KLLM Transport Services – provides real-time tracking and reefer temperature monitoring.
• Prime Inc. – known for refrigerated logistics with load tracking and temperature control.
• J.B. Hunt Temperature Controlled – has shipment visibility, GPS tracking, and reefer monitoring.
• C.R. England – offers refrigerated transport with tracking and monitoring capabilities.
• Werner Enterprises – provides reefer freight services with tracking and temperature monitoring.
• Swift Transportation / Knight-Swift – refrigerated operations include shipment tracking and monitoring.
• Ryder Dedicated Transportation – offers cold chain logistics with tracking technology.

If you want, I can also narrow this down to:

1. U.S.-only carriers,
2. carriers that specialize in food/pharma cold chain, or
3. carriers with the best real-time visibility platforms.