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8,978 companies

Oglebay Norton

Cleveland,, OH, United StatesUpdated Jul 2003

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.

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 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 Center Research International

Lafayette,, Louisiana, United StatesUpdated May 2007

Oil Center Research, L.L.C. specializes in specialty lubricants and industrial compounds for various industries, offering environmentally safe products including greases, sealants, and corrosion inhibitors.

Oil Companies International Marine Forum (OCIMF)

London,, England, United KingdomUpdated Feb 2005

The Oil Companies International Marine Forum (OCIMF) is a voluntary association of oil companies having an interest in the shipment and terminalling of crude oil and oil products. "Our mission is to be the foremost authority on the safe and environmentally responsible operation of oil tankers and terminals, promoting continuous improvement in standards of design and operation".

Oil Drilling Products, Inc

Houston, Texas, United StatesUpdated Sep 2001

Oil Drilling Products, Inc provides products and services for the oil and gas drilling industry in Houston, United States.

Oil Job Romania

Constanta, RomaniaUpdated Oct 2004

Oil Job Romania is a company based in Constanta, Romania, specializing in recruitment and job placement services within the oil and maritime sectors.

Oil Safe Lubrication Tools

Kingston,, IL, United StatesUpdated Feb 2003
Training

OilSafe Lubrication Tools provides lubrication management, contamination control, and condition monitoring products to ensure safe storage, transfer, identification, and protection of fluids and equipment.

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 Shipping (Bunkering) Ltd

Piraeus, GreeceUpdated Nov 2001
Bunker Supplier

Oil Shipping (Bunkering) B.V. provides advanced shipping and tank farm solutions including tank storage, product handling, and product shipping with a diverse fleet of vessels.

Oil Shipping (Hong Kong) Ltd

Wanchai,, Hong Kong, ChinaUpdated Mar 2007
Bunker Supplier

Oil Shipping (Hong Kong) Ltd provides advanced shipping and tank farm solutions including tank storage, product handling, and product shipping services with a focus on safety and efficiency.

Oil Spill Detection - OSPRA -

Madison, Connecticut, United StatesUpdated Nov 2003

Early warning Oil Spill Detection by solar powered buoys (OSPRA). Telemetered data to central Base Station. Sump monitoring for oil with SumpSensor

Oil States MCS Ltd.

Barrow-in-Furness, Cumbria, United KingdomUpdated Feb 2008

Oil States MCS Ltd., based in Barrow-in-Furness, UK, is part of the Oil States Industries group and specializes in offshore services including swaging, pile connections, levelling, caisson repair, abrasive cutting, and internal lift tools.

Oil Stop, L.L.C.

Harvey,, Louisiana, United StatesUpdated Jul 2006

Manufacturer of a complete line of oil spill control equipment including inflatable and foam-filled containment booms, reels, power packs, oil skimmers and spill kits

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.

Oil and Gas Jobsearch

Location not listedUpdated Feb 2004

Oil and Gas Jobsearch is an online platform connecting job seekers with employers in the energy sector, allowing users to upload CVs and apply for jobs in the oil and gas industry.

OilTracers, L.L.C

Dallas,, TexasUpdated Jan 2006

OilTracers, L.L.C is a company based in Dallas, Texas specializing in oil tracing technology and solutions.

OilandGasInternational.com

Location not listedUpdated Dec 2002

OilandGasInternational.com is a company providing services and information related to the oil and gas maritime industry.

Oilchart International NV

Antwerp 1, BelgiumUpdated May 2026
Bunker Supplier

Oilchart International NV, based in Antwerp, Belgium, supplies marine bunkers including VLSFO, HSFO, MGO, bio bunkers, and provides storage, logistics, and inland fuel supplies.