Offshore Marine Service Association (OMSA) is a non-profit organization representing U.S. offshore marine transportation companies, promoting industry interests and providing a united front on legislative and governmental matters.
ShipWeb.com is a web-based platform offering specialized advertising solutions for the shipping and logistics industry, connecting businesses with targeted maritime professionals.
Offshore Inland Marine & Oilfield Services is a premium service contractor specializing in drill rig repair and conversions, subsea and dive support, tanker and cargo ship repair, and 24/7 worldwide emergency repair with class certified riding crews.
Offshore Inland Services, Inc. is a premier marine and oilfield service contractor specializing in hydraulic system rehabilitation, fabrication, piping, electrical, engineering, and 24/7 worldwide emergency repair with class certified riding crews.
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.
Ohio Valley Marine Service, Inc. operates the only full service marine repair facility between Louisville and Paducah, Kentucky, providing fuel, supplies, groceries, engine parts, and crew changes at the mouth of the Green River on the Ohio River.
Boat repair and maintenance company serving St. Augustine, FL, with Mercury and Yamaha-certified mechanics and mobile services available 7 days a week.
Fernandina Beach, FL, United StatesUpdated May 2026
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Olde Towne Marina in Fernandina Beach, FL offers new and used Lowe Boats and Mercury Outboards, boat storage, marine services, and boating accessories with convenient access to the Atlantic Ocean and Cumberland Sound.
Olympic Tug & Barge, Inc. provides marine transportation and services in the Puget Sound area of Washington and the Willamette and Columbia Rivers of Oregon, committed to superior customer service, quality operations, and safety since 1987.
Largest ship's chandler in Korea covering all Korean ports with branch offices, providing duty free provision, shipstore, bunkering, running repair services, and general shipping agency.
The most comprehensive range of marine services available from a single source!
There is no other marine construction and services company quite like Orion Marine Group. In addition to our integrated organization, experience, and depth of resources, we have something else that’s very important – a reputation for integrity and dependability earned by our team in performing on time, on budget projects for more than 60 years.
Otto Candies, LLC is a family-owned company providing premier offshore marine services with a diverse fleet supporting Offshore Oil and Gas, LNG, and Offshore Wind industries.
Outermost Harbor Marine is a full service marina in Chatham, MA offering boat sales, marine service with certified Yamaha and Mercury technicians, transient dock reservations, and various tours and charters.
Outermost Harbor Marine is a full service marina in Chatham, MA offering boat sales, marine service, certified Yamaha and Mercury outboard motor sales and service, transient dock reservations, and marine contracting including dredging.