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34,680 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.

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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.

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Ohio Pipe and Steel

Location not listedUpdated Dec 2002

Ohio Pipe and Steel is a supplier of steel pipe and related products, serving various industries including maritime and shipping.

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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.

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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.

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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.

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