Tidewater Transportation and Terminals is a bulk commodity transportation and multi-modal terminal company operating throughout the Pacific Northwest since 1932. The company operates barge lines that transport grain, petroleum products, wood products, fertilisers and containerised freight along the Columbia-Snake river system, as well as five strategically located terminals with pipeline connections to rail, highway and other networks. They also offer environmental services including waste disposal, transportation and industrial cleaning to the region's industrial and marine sectors. Referrals suit companies needing reliable transportation and terminal services for bulk commodities across the Pacific Northwest, or those requiring specialist waste management and cleaning services for industrial operations.