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4,825 companies

Oiltanking GmbH

Hamburg, GermanyUpdated May 2026

Oiltanking GmbH operates independent storage terminals worldwide, providing safe and efficient logistics services for petroleum products and chemicals as a trusted custodian and terminal operator.

Oiltrash.com, Inc.

Location not listedUpdated Dec 2002

Oiltrash.com, Inc. is a company specializing in the collection and disposal of oily waste and sludge from ships and marine operations.

Olivera SA

Porto, PortugalUpdated Jul 2005

Olivera SA is a Portuguese manufacturer specializing in synthetic and wire ropes for demanding industrial applications including maritime, fishing, construction, and cranes, with nearly 200 years of experience and part of WireCo WorldGroup since 2010.

Olympic Instruments Inc.

Vashon, WA, United StatesUpdated Jun 2001

Olympic Instruments Inc. manufactures precision measuring instruments to U.S. and Canadian National Bureau of Standards specifications, serving maritime and industrial sectors.

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.

Olympic Shipping Co Ltd

Glyfada, GreeceUpdated Oct 2003

Olympic Shipping Co Ltd is a maritime company based in Glyfada, Greece, specializing in shipping operations and vessel management.

Omegadyne, Inc.

Sunbury,, OH, United StatesUpdated Mar 2006

Omegadyne, Inc. is a leading manufacturer of pressure and force measurement and control equipment used in various industries including oceanography and oil exploration.

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.

One Herd Shipmanagement Pte Ltd

SingaporeUpdated Jun 2000

One Herd Shipmanagement Pte Ltd is a maritime company registered in Singapore with no specific maritime or shipping services detailed on the provided website.

OneStone Consulting Group GmbH

Buxtehude,, GermanyUpdated Nov 2006

OneStone Consulting Group GmbH is a global management consulting firm specializing in market analysis and strategic planning for plant and machinery suppliers, cement, building materials, environmental, mining, and process industries.

Onomichi Dockyard Co Ltd

Chuo-ku, Kobe, JapanUpdated Jun 2011

Onomichi Dockyard Co Ltd, established in 1943 in Hiroshima Prefecture, specializes in shipbuilding, ship repair, and construction, producing a variety of high-performance vessels including bulk carriers, tankers, and Ro/Ro cargo ships.

Onstream European Consultancy B.V.

Den Helder, NetherlandsUpdated Mar 2003

ONSTREAM is an international, multi-discipline group supplying integrated manpower, logistics, and asset integrity services to the oil and gas industries with over 40 years of global industrial experience.

Ontopia

Oslo, NorwayUpdated Oct 2001
Training

Ontopia provides open source software products and consultancy services for building and deploying Topic Maps-based semantic technology applications.

OptiMarin AS

Stamford, CT, United StatesUpdated May 2026

OptiMarin develops and manufactures complete systems for Ballast Water Treatment. The OptiMar Ballast System is based on solids separation and UV irradiation and utilizes the existing ballast pumps aboard the vessel. The OptiMar System can be retrofitted to existing vessels or installed in new builds and we handle flow rates ranging from 100 m3/h up to 3000 m3/h per ballast pump.

Orion Electronics Ltd.

Windsor, NS, CanadaUpdated Jan 2000

Orion Electronics Ltd. is a Canadian manufacturer of high-tech electronic equipment and communications systems for government and defense agencies, based in Windsor, Nova Scotia.

Orion Ropeworks

Winslow,, ME, United StatesUpdated Nov 2002

Orion Ropeworks is a premium cordage supplier with over 150 years of experience, manufacturing and distributing durable rope and cordage products for various industries including commercial and pleasure marine sectors.