Maritime Directory

New York, NY, United States

The International Longshoremen’s Association is the largest union of maritime workers in North America, representing over 85,000 longshoremen across the Atlantic and Gulf Coasts, Great Lakes, major U.S. rivers, Puerto Rico, Eastern Canada, and the Bahamas.

Linthicum Heights,, Maryland, United States

United States maritime labor union representing seagoing U.S.-citizen Licensed Deck Officers and other U.S.-citizen shipboard marine personnel.

Oregon, OH, United States

The University of Toledo Lake Erie Center is a research and educational facility focused on environmental conditions and aquatic resources in Maumee Bay and western Lake Erie, serving as a model for Great Lakes and aquatic ecosystems worldwide.

Sarnia, ON, Canada

Lake Huron Yachts Ltd operates a marina in Sarnia, Ontario, Canada, offering yacht slips, racing activities, and transient booking services on Lake Huron.

Duluth, MN, United States

Lake Superior Marine Museum Association operates the Lake Superior Maritime Visitor Center in Duluth, MN, preserving maritime history and providing educational programs, exhibits, and live web cameras of Duluth Harbor.

Oakville,, Ontario, Canada

Lighthouse Shipping Limited is a Canadian dry bulk shipping brokerage firm specializing in international and Great Lakes shipping of dry bulk commodities with over 35 years of experience.

Whitehall, MI, United States

Museum dedicated to preserving and showcasing maritime history of the Great Lakes region.

Hamilton, Ontario, Canada

McKeil Marine Limited is a leading Canadian marine service provider specializing in marine transportation, towing, ship docking, icebreaking, salvage, chartering, and marine construction across the Great Lakes, St. Lawrence Seaway, East Coast, and Canadian Arctic.

Long Beach,, NY, United States

Since 1935, MOPS has safeguarded the licenses, livelihoods and reputations of thousands of licensed deck and engineering officers, state and federal pilots and certified tankermen serving aboard every type of commercial vessel on the oceans, harbors, Great Lakes and U.S. inland waters.

Montreal, Quebec, Canada

Mount Royal/Walsh Inc. is the leading and largest topside privately owned Ship Repair facility for the Marine Industry in Eastern Canada. The company holds 30 years of excellence and accomplishments.

Port of Erie, PA, United States

The Erie Western PA Port Authority manages industrial, commercial, and recreational port facilities at the Port of Erie, providing connections for domestic and international goods handling on Lake Erie.

Silver Spring, MD, United States

The National Sea Grant College Program is a national network supporting coastal, marine, and Great Lakes communities through research, extension, and education, administered by NOAA with its national office in Silver Spring, Maryland.

Buffalo, NY, United States

Nicholson & Hall Corporation, founded in 1922 in Buffalo, New York, originally serviced boilers onboard Great Lakes steamships and has a history tied to maritime boiler and welding services.

River Rouge, MI, United States

Nicholson Terminal & Dock Company, founded in 1928, operates general freight transportation and stevedoring services with terminals in Detroit and Ecorse, Michigan, including Foreign Trade Zones and ship repair facilities.

The Northeast-Midwest Institute is a policy organization focused on the restoration and revitalization of the Great Lakes region, addressing issues such as water quality, waterborne trade, invasive species prevention, and urban revitalization.

Cleveland,, OH, United States

We own strategically located, proven, long-life reserves of high-quality industrial minerals. Great Lakes Minerals The largest and highest-quality limestone producer on the Great Lakes, with quarries, processing plants, docking facilities and the largest fleet of self-unloading U.S.- Flag vessels on the Lakes. Global Stone Operates limestone quarries and lime and limestone processing facilities serving customers located primarily in the Mid-Atlantic and southeastern United States. Performance Minerals Mines and processes specialized industrial minerals, primarily high-purity silica sands and muscovite mica, with facilities in the southwestern United States, Ohio and North Carolina.

Cleveland,, OH, United States

Oglebay Norton Marine Services is a shipping company operating the largest fleet by vessel count on the Great Lakes, transporting bulk commodities with 12 vessels ranging from 618 to 1,000 feet in length.

Buffalo, NY, United States

The Port of Buffalo is a major U.S. port on the Great Lakes, offering extensive bulk cargo storage and seamless intermodal shipping solutions including marine, rail, and land transport.

Cleveland, OH, United States

The Port of Cleveland is a major Great Lakes port driving economic growth, global connectivity, and sustainability through efficient cargo operations, innovative financing, and eco-friendly initiatives.

Monroe,, MI, United States

The Port of Monroe is Michigan’s only port on Lake Erie, offering efficient cargo handling with direct rail and highway access, serving as a gateway to Michigan’s multimodal transportation network.

Thunder Bay, Ontario, Canada

The Port of Thunder Bay is a Canadian port authority managing the largest port on the Great Lakes, facilitating cargo shipping and logistics services in Thunder Bay, Ontario.

Sault Ste. Marie,, Ontario, Canada

Purvis Marine Limited provides comprehensive marine services and equipment, serving the Great Lakes region and beyond from Sault Ste. Marie, Ontario, Canada.

Sault Ste. Marie, ON, Canada

Purvis Marine Limited provides comprehensive marine services and equipment, serving the Great Lakes and beyond from Sault Ste. Marie, Ontario, Canada.

Montreal,, Quebec, Canada

Robert Reford is Canada's oldest ship agency, founded in 1866 in Montreal, providing port and general agency services throughout Canada and U.S. Great Lakes ports for various vessel types including dry cargo, container ships, tankers, and more.

Point Edward, ON, Canada

Sarnia Yacht Club is a member-owned boating facility located at the southern end of Lake Huron, offering 350 wet wells with fuel dock services, a full-service galley, clubhouse, and sailing instruction programs.