The reshoring of manufactured goods from Asia to North America is bound to take some import business away from U.S. ports. But there are other developing threats to the continued dominance of gateways like Los Angeles-Long Beach - specifically, a couple of upstarts to the north and south.

Over the last two decades, businesses have worked feverishly to optimize their physical supply chains. Virtually every discussion about improving the supply chain has been centered on the physical movement of goods - the flow of products from raw materials to consumption. However, a growing number of companies are now taking a similar interest in optimizing the flow and management of the information related to these products.