Petersen & Alpers
Petersen & Alpers is a Hamburg-based family-owned shipping company operating a fleet of modern tugs providing 24-hour ship assistance services in Hamburg, the Elbe, and Baltic ports with over 230 years of tradition.
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147 companies
Polestar Marina
Family-owned full-service marina located on the Mississippi River in St. Charles, MO, offering premium boat slip rentals, quality marine repair and parts, full-service fuel dock, self-storage, and new and used boat sales.
Progressive Industrial, Inc.
Progressive Industrial, Inc. is a family-owned boat-building company in Palmetto, FL, specializing in the design and manufacture of truckable pushboats and towboats under 26 feet, with over 30 years of experience and more than 345 boats produced.
R.W. Fernstrum & Company, Inc.
R.W. Fernstrum & Company, Inc. is a family-owned maritime company founded in 1945, specializing in marine cooling technology including keel coolers, boxcoolers, and laser plates for commercial, military, and pleasure vessels.
Ranger Steel Supply Corp. (Corporate)
Ranger Steel Supply Corp. is a family-owned supplier of prime carbon steel plate since 1958, serving industries including shipbuilding with a wide range of steel plate sizes and grades.
Rederi AB Veritas Tankers
Rederi AB Veritas Tankers is a family-owned shipping company based in Donsö, Sweden, operating a fleet of tankers primarily in the North and Baltic Seas with a focus on safety, quality, and environmental standards.
Reinauer Transportation Companies Inc
Reinauer Transportation Companies is a family-owned maritime group specializing in bulk liquids chemical and petroleum transportation, ship assist and docking, escort and general towing services, with additional marine construction and shipyard services.
Rio Hondo Marine Inc
Rio Hondo Marine, Inc. is a family-owned business established in 1983 specializing in boat and motor service for Texas Bay and Gulf waters, offering parts, repairs, and sales managed by certified personnel and a U.S.C.G. licensed Master Captain.
Riverfront Marina
Riverfront Marine Sports Inc. is a family-owned full-service marina in Newbury, MA, offering boat sales, maintenance, repair, storage, and marine parts since 1978.
Riverfront Marine Sports Inc
Riverfront Marine Sports Inc is a family-owned and operated marine dealership and full-service marina in Salisbury, MA, offering boat sales, parts, maintenance, repairs, storage, and related marine services since 1978.
Riverside Marina Bar and Grill
Riverside Marina in Dayton, KY is a family-owned full-service marina established in 1973, offering wet and dry boat storage, a gas dock, dockside amenities, a seasonal bar and grill with live music, and a banquet hall.
Rozema Boat Works
Rozema Boat Works, Inc. is a third generation, family-owned company specializing in building customized, high-performance aluminum marine vessels ranging from 20 to 90 feet for commercial fishing, research, spill response, and passenger transport.
SENNEBOGEN LLC
SENNEBOGEN LLC is a family-owned company specializing in the design, development, and manufacture of cranes, material handling machines, and hydraulic excavators, providing purpose-built equipment and comprehensive after-sales support.
STIEGLER SHIPPING CO., INC.
Stiegler Shipping Co., Inc. is a family-owned and operated shipping company since 1970 specializing in charter brokering, steamship agency, and international freight forwarding with expertise in project logistics worldwide.
SafeSea
Safe/Sea is a family-owned company providing on-the-water boat towing and marine salvage services for recreational boaters in Rhode Island since 1985, offering membership plans with free towing, jumpstarts, and fuel delivery.
Samson Tug and Barge
Samson Tug and Barge is an Alaskan family-owned and operated marine freight common carrier providing barge and cargo hauling services with weekly and bi-weekly schedules, serving Alaska since 1937.
Santini Export Packing Corp.
Santini Export Packing Corp. is a family-owned company in Houston with over 40 years of experience providing industrial and export packing, crating, handling, and storage services for logistics providers, manufacturing, and distribution sectors.
Schoeller Holdings Ltd.
Schoeller Holdings Ltd is a family-owned international holding company with a diverse portfolio in maritime shipowning, technical and crew management, commercial operations, aviation, hospitality, and horticulture sectors.
Sea Gear Marine
Sea Gear Marine is a family-owned and operated marine supply retailer and general ship supplier serving fishing, marine construction, tug boat services, and municipal clients, offering deck gear, marine supplies, and safety equipment with bonded stores on site.
Seaforth Boat Rentals
Seaforth Boat Rentals is San Diego's largest family-owned boat rental and yacht charter company, offering powerboats, sailboats, yachts, kayaks, fishing boats, pontoons, and party rentals since 1976.
Shaver Transportation Company
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.
Shipyard Brewery
Shipyard Brewing Company is a family-owned brewery established in 1994 in Portland, Maine, offering craft beers, a tasting room, event spaces, and a brewery store.
Southeastern Marine Surveying Co.
Southeastern Marine Surveying Company, Inc. is a family-owned maritime services firm in Savannah, Georgia, providing expert marine surveying, consulting, and 24-hour launch services since 1976.
Spring Brook Marina
Spring Brook Marina & Yacht Sales is a family-owned and operated marine facility in Seneca, IL, specializing in power boats from 18' to 75', offering sales, service, storage, and rentals since 1961.
Steiner Shipyard, Inc.
Steiner Shipyard is a family-owned shipyard in Bayou La Batre, Alabama, specializing in new construction and repair of steel and aluminum vessels including ferries, push boats, offshore supply vessels, and fishing trawlers.