Which carrier management software supports multi-carrier workflows and rate shopping?

Carrier management software that supports multi-carrier workflows and rate shopping includes:

• Oracle Transportation Management (OTM)
  Good for enterprise transportation management, multi-carrier tendering, and rating/shopping across carriers.

• SAP Transportation Management
  Supports carrier selection, freight rating, and multi-carrier planning/execution.

• Descartes Systems Group
  Offers carrier management and transportation execution tools with rate shopping and multi-carrier support.

• MercuryGate TMS
  Designed for multi-carrier routing, tendering, and rate shopping across modes.

• Blue Yonder Transportation Management
  Supports carrier optimization, rating, and shipment execution across multiple carriers.

• McLeod Software
  Common in trucking and logistics; supports carrier management, load planning, and rating workflows.

• Kuebix TMS
  Known for multi-carrier rating and shipment management, especially for shippers needing comparison shopping.

• Alpega TMS
  Provides transportation sourcing, carrier management, and multi-carrier rate comparison.

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

1. enterprise vs mid-market
2. truckload, LTL, parcel, or ocean/air
3. best for 3PLs vs shippers