The Northwest Seaport Alliance Email Format

Transportation, Logistics, Supply Chain and StorageWashington, United States51-200 Employees

The Northwest Seaport Alliance is a joint gateway for marine cargo formed by the ports of Seattle and Tacoma in 2015 to manage their harbor facilities as a single, integrated system. It ranks as the third-largest container load center in North America and also handles bulk, breakbulk, project/heavy-lift cargoes, automobiles and trucks. Located in the Puget Sound region in the northwest United States, the alliance benefits from shorter transits from Asia and serves as a first and last port of call for many trans-Pacific liner services.

It operates in the transportation, logistics, supply chain and storage sector, providing a gateway for global cargo through coordinated port operations and service reliability. Based in Tacoma, Washington, the alliance has pursued environmental transparency initiatives in 2026, including launching the Northwest Clean Ports website to track emissions reductions from seaport activities.

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