Alaska Marine Trucking is a division of Alaska Marine Lines and is a member of the Lynden family of companies. Alaska Marine Lines is a marine transportation company that ships all types of freight to and from southeast and central Alaska. Alaska Marine Trucking provides land transportation services for Alaska Marine Lines. Alaska Marine Lines also delivers freight to and from Prince William Sound and the Yukon Territory of Canada. Alaska Marine Trucking s major customers include retail businesses, such as grocery stores. The company also provides special services to support the fishing, mining and timber industries. Alaska Marine Lines provides year-round services, including twice-a-week departures from Seattle, to the Alaskan communities of Juneau, Ketchikan, Wrangell, Sitka, Petersburg, Haines, Skagway, Kake and Prince of Wales Island. Alaska Marine Lines service to central Alaska is weekly and transports freight to the Alaskan cities of Anchorage, Fairbanks, Whittier, Kenai, Seward and Cordova, as well as other communities.