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4,553 companies

Oglebay Norton Marine Services

Cleveland,, OH, United StatesUpdated Jul 2003

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.

Ogletree Law Firm

Houston, Texas, United StatesUpdated Jan 2004

Law firm specializing in U.S. maritime and Jones Act law. Informational web site includes the full text of the Jones Act.

Ohio Valley Marine Service, Inc.

Henderson, KY, United StatesUpdated Oct 2003
Port AgentBunker Supplier

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.

Ohio Valley RV Park

Martins Ferry, OH, United StatesUpdated May 2026

Ohio Valley RV Park in Martins Ferry, OH offers full hookup RV parking with water, sewer, and electricity, catering to oil and gas workers with monthly, weekly, and daily rental options including free Wi-Fi.

Oil & Gas Advisors

Location not listedUpdated Dec 2002

Oil & Gas Advisors provides consultancy services in the oil and gas sector, likely supporting maritime and offshore operations.

Oil & Natural Gas Corporation

Location not listedUpdated Dec 2002

Oil & Natural Gas Corporation (ONGC) is an Indian multinational oil and gas company engaged in exploration, production, and development of hydrocarbons.

Oil Safe Systems Pty Ltd

Bibra Lake WA 6163, 6163, AustraliaUpdated Dec 2002

The Oil Safe Container System is a safe, sure, easy to use method of storing and dispensing lubricants and lubricating fluids in a wide variety of applications. Ideal for use in workshops, process plants, mines, factories and even home garages. The Oil Safe fully interchangeable lubrication hand tool system can save time, money and wastage.

Oil Spill Response Ltd

Southampton, United KingdomUpdated Jan 2002

World's largest spill response organisation providing oil spill response services, training and consultancy.

Oil Terminal Constanta S.A.

Constanta,, RomaniaUpdated Mar 2004

Oil Terminal Constanta S.A. is a Romanian company operating a major oil terminal in Constanta, providing oil storage and handling services.

Okyanus International Forwarding Ltd.

Hasanpasa - Kadiköy, Istanbul, TurkeyUpdated Jun 2007
Freight/RFQ

Okyanus International Forwarding Ltd. is a forwarding company based in Hasanpasa - Kadiköy, Istanbul, Turkey, providing international freight forwarding services.

Old Port Cove Marina

North Palm Beach, FL, United States

Old Port Cove Marina is a full-service marina located in North Palm Beach, offering boat slips, maintenance, and marine services.

Oldendorff Carriers GmbH & Co. KG

Lubeck, GermanyUpdated Jul 2006
Bunker SupplierFreight/RFQ

Oldendorff Carriers is a leading global dry bulk shipping company operating about 780 ships, specializing in bulk transportation, transshipment, and dry cargo logistics with a focus on sustainable shipping.

Oldendorff Carriers GmbH & Co. KG

Lübeck, GermanyUpdated Mar 2004
Freight/RFQ

Oldendorff Carriers GmbH & Co. KG is a leading global dry bulk shipping company operating about 780 chartered and owned vessels, specializing in dry bulk logistics, transshipment, and sustainable shipping solutions.

Oldendorff Melbourne

Southbank ,, AustraliaUpdated Mar 2004

Oldendorff Carriers is a leading global dry bulk shipping company specializing in bulk transportation, transshipment, and dry cargo logistics with a fleet of about 780 ships and operations in 127 countries.

Oldendorff Pte Ltd

SingaporeUpdated Jul 2002
Freight/RFQ

Oldendorff Carriers is a leading global dry bulk shipping company operating around 780 chartered and owned vessels, specializing in bulk transportation, transshipment, and dry cargo logistics.

Oldendorff USA Satellite Office

Stamford,, CT, United StatesUpdated Jun 2006

Oldendorff Carriers is a leading global dry bulk shipping company specializing in bulk transportation, transshipment, and dry cargo logistics with a fleet of about 780 ships and operations in 127 countries.

Olympic Gulf Tankers Co

Sharjah, SHARJAH/UAE, United Arab EmiratesUpdated May 2026

Olympic Gulf Tankers Co Ltd is a shipping company specializing in tanker operations based in Sharjah, United Arab Emirates.

Olympic Panel Products

Shelton,, WA, United StatesUpdated Nov 2004

OPP was founded by Atlas Holdings LLC, a Connecticut based private investment group, focused on specialty manufacturing businesses, and a team of former executives of forest product companies, including David Wang and Richard Yarbrough. Mr. Wang was a former Executive Vice President and Director of International Paper Company (“IP”). Mr. Yarbrough has held senior level positions at IP and Louisiana Pacific Company. On-site management includes former Simpson employees: Ben Horn, General Manager, Jim Langenberg, Production Manager, Jim Zmudka, Sales & Marketing Manager, Ken Pratt, Technical Director, and Eric Larsen, Controller. OPP's manufacturing facility is located in Shelton, Washington. It is the single largest overlay panel manufacturing facility, under a single roof, in the world. The site sits on approximately 25 acres adjoining Simpson Timber's sawmill operations. The manufacturing process includes the peeling and drying of veneer for our lay-up and press process plus an extensive finishing department, which includes a panel sander and film press for the production of our Two Step ® high quality overlay panels. We employ a Continuous Process Monitoring (CPM) in all our manufacturing process. OPP provides the world's largest selection of overlaid panels. We have a family of products to meet all the demanding requirements of the markets we serve. These markets include: Concrete Forming, Sign, Transportation and Industrial. OPP plans to continue the Simpson philosophy of cultivating long term mutually successful relationships with those who buy our products and those who supply our material needs. We are proud to have customer ties dating back many decades. Our success depends on their success, which requires that we have a clear understanding of their needs so that we can meet them by providing exceptional products and service. Another key is product development – coming up with new ideas to meet new needs. We are the only overlay panel manufacturer that has a full time staff devoted to product development.

OmniTech AS

Bergen, NorwayUpdated Aug 2000

OmniTech AS is a Bergen-based company specializing in acoustic camera and multibeam sonar technology for maritime applications.

Omnistar, Inc

Houston,, TX, United StatesUpdated Aug 2015

OmniSTAR® provides highly accurate and reliable real-time GNSS positioning services worldwide via satellite, supporting industries including precision agriculture, mapping, and aviation.

Omnithruster Inc.

Twinsburg,, OH, United StatesUpdated Mar 2005

OmniThruster has been a world leader for over 30 years in the development of waterjet bow thrusters and maneuvering systems, providing patented designs for diverse vessel maneuverability and auxiliary propulsion worldwide.

Omur Salvage Co. Ltd.

Setustu-Kabatas,, Istanbul, TurkeyUpdated Oct 2004

Omur Salvage Co. Ltd. is a maritime salvage company based in Istanbul, Turkey, specializing in marine salvage and wreck removal services.