A new transportation management Website has popped up, promising to help shippers, distribution centers, manufacturers, and other companies get better rates from a list of more than 28,000 available carriers. The RateMyShipment.com site comes from TranZcenter, a logistics and supply chain management services provider, and its head of operations Milton Collier. The network of multimodal carriers covers North America and includes modes like less-than-truckload (LTL), truckload, ...