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About The Northwest Seaport Alliance

The Northwest Seaport Alliance is a marine cargo operating partnership of the Port of Seattle and Port of Tacoma. We are the fourth-largest container gateway in North America. Under a port development authority, the NWSA manages the container, breakbulk, auto and some bulk terminals in Seattle and Tacoma.

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News

Survey on the future of the Clean Truck Program

Jun 5 2020

Seattle area construction look ahead

Jun 4 2020

NWSA and WTA host virtual trucker outreach forum, June 4

Jun 3 2020

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Contact Us

The Northwest Seaport Alliance
P.O. Box 2985, Tacoma, WA 98401-2985
800-657-9808
info@nwseaportalliance.com
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Seattle Harbor
Pier 69, 2711 Alaskan Way, Seattle, WA 98121
Directions

Tacoma Harbor
One Sitcum Plaza, Tacoma, WA 98421
Directions