SMC Marine Services Pte Ltd operates a fleet of over 20 sets of tugs and barges primarily transporting bulk cargoes such as coal, gypsum, sand, and aggregates around Southeast Asia including Indonesia, Thailand, Vietnam, and the Philippines.
Seaspan International Ltd is a Canadian marine company specializing in shipbuilding, repair, and marine transportation services along the Pacific Northwest coast.
Shaver Transportation Company is a family-owned maritime transportation company based in Portland, Oregon, specializing in tug and barge services on the Columbia and Willamette Rivers.
Smith Marine, Inc. is a full-service marine contracting company based in Marblehead, MA, providing services including marine construction, dredging, pile driving, tug and barge services, and scientific charters primarily in New England and throughout the Continental United States.
Tidewater is a Pacific Northwest bulk commodity transportation and multi-modal terminal company operating tug and barge services, terminals, pipelines, and environmental services along the Columbia-Snake River System.
Washington Marine Group is an association of 15 affiliated companies specializing in coastal and deep sea transportation, ship repair, shipbuilding, and marine component sales and services in Canada.