Mainstay Maritime
Sector: Deep-Sea Shipping
Region / State: Williamsville, NY
Parent of American Steamship Co. and Grand River Navigation; fleet of 26 vessels on Great Lakes; formerly Rand Logistics
Sold its Canadian Great Lakes shipping arm, Lower Lakes Towing, to Algoma Central in 2026
Visit Mainstay Maritime's website (opens in new tab)
Other Deep-Sea Shipping companies: Matson, National Shipping of America, Pasha Hawaii, Schuyler Line Navigation, Sealift Inc., TOTE Maritime
Other companies in New York: McAllister Towing, Miller's Launch, NYC Ferry / Hornblower, NYS Marine Highway Transportation, O'Rourke Marine Services, Port Authority of New York & New Jersey