Shaver Transportation Company
Sector: Tug / Tow
Region / State: Portland, OR; Columbia & Willamette Rivers
River tugs, dry bulk barges, petroleum barges
Union affiliation: IBU
Family-owned; primary Columbia River barge operator
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Also listed under: Tugboat Companies, Barge Companies
Other Tug / Tow companies: Signet Maritime Corporation, Smith Marine Towing, Stabbert Maritime Holdings, Stevens Towing Company, Strategic Towing Services, Suderman & Young Towing Company
Other companies in Oregon: Vigor Marine Group, Alaska Tanker Company, Bernert Barge Lines, Brusco Tug & Barge, Sause Bros. Ocean Towing