Mainstay Maritime Email Format

Maritime TransportationNew York, United States51-200 Employees

Mainstay Maritime is a mid-sized player in the maritime transportation sector, focused on bulk freight shipping across the Great Lakes. Through its subsidiaries—American Steamship Company, Andrie, Grand River Navigation, and Lower Lakes Towing—it operates 28 vessels, including one conventional bulk carrier, 20 self-unloading bulk carriers, and seven liquid-product ships. The company is positioned to provide significant domestic port-to-port services across both Canada and the United States on the Great Lakes.

Its customer base comprises firms requiring bulk transport within the Great Lakes corridor, with access to Canadian and U.S. ports. Vessels operate under the U.S. Jones Act and the Canada Coasting Trade Act, reflecting the regulatory framework governing domestic waterborne commerce in the region. The business is based in Williamsville, New York, serving the broader Western New York and Great Lakes market.

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