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451 companies

Ocean Rig UDW Inc. (Corporate Head Office)

Nicosia,, CyprusUpdated Oct 2011

Ocean Rig UDW Inc. is an international offshore drilling contractor specializing in ultra-deepwater and harsh-environment offshore drilling, owning and operating ultra deepwater semisubmersible rigs and drillships.

Ocean Spar Technologies L.L.C.

Bainbridge Island, WA, United StatesUpdated Nov 1998

Ocean Spar Technologies, founded in 1988 on Bainbridge Island, Washington, developed open ocean aquaculture technology including the SeaStation submersible net pen system. The company merged with Ocean Farm Technologies in 2014 to form InnovaSea Systems Inc.

Oceaneering International, Inc. (Corporate Headquarters)

Houston,, TX, United StatesUpdated Feb 2006

Oceaneering International, Inc. is an advanced applied technology company providing engineered services and hardware for marine, space, and harsh environments, serving oil and gas, government, aerospace, and marine engineering industries worldwide.

Oceaneering Rotator AS

Nodeland, NorwayUpdated Feb 2008

Oceaneering Rotator AS is a Norwegian company specializing in subsea engineering and offshore services, providing advanced equipment and solutions for the maritime and offshore industries.

Oceanscience

Oceanside, CAUpdated Mar 2007

Manufacturer of buoys, deployment platforms, submersible water samplers.

Offshore-Inland Services - Corporate Headquarters

Mobile,, Alabama, United StatesUpdated Jun 2005

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.

Oilfield Video, Fabrication Se

Location not listedUpdated Dec 2002

Royal Services & Rentals, Inc. provides customized subsea CCTV video systems, underwater sonar services, and communication solutions including explosion proof squawk box systems and intrinsically safe two-way radios for the oil and gas industry.

Orion Engineering Services Ltd

Inverness, Great Britain (Uk)Updated Oct 2003

Orion Engineering Services Ltd provides global recruitment and workforce solutions specializing in energy, engineering, and technical sectors including offshore and subsea vessel operations.

Oviedo University

GIJON, Asturias, SpainUpdated Jul 2004

Teaching & research in the maritime field. In the High nautical School of Gijón - University of Oviedo, The MAritime Field Investigation Group (MaFIG-UniOvi) is constituted.

PCCI

Alexandria, VA, United StatesUpdated Jan 2015

PCCI is one of the leading firms in environmental and marine engineering providing expert planning, training, and management for oil and hazardous substance issues..compliance..public relations..risk management..worker safety..pollution prevention..cost control. PCCI will act quickly to provide solutions to your most pressing needs.

POSEIDON MARITIMA LTDA.

VITORIA, ES, BrazilUpdated May 2026
Port Agent

Founded in 1965 Poseidon Maritima is the largest shipping agency in the State of Espirito Santo (Brazil) attending the ports of Vitoria, Tubarao, Praia Mole, Capuaba, Paul, Portocel and Ponta Ubu thru its head office and all other brazilian ports either thru branch offices or sub-agents.

PRONAV GmbH

Hamburg,, GermanyUpdated Sep 2016

PRONAV is one of the top German ship operators for all kind of sea borne dry and liquid cargo transportation. A major activity is the engagement in the Automobile Trade. Today, PRONAV covers time chartering of mainly deep sea car carriers as well as contracting "Contracts of Affreightment" among car manufacturers and carriers. Additionally, PRONAV is involved substantially in providing crewing services of highest standard for all types of vessels under own management as well as for third party clients. The very high quality standard PRONAV commits to is been put in a nutshell by their slogan: "PRONAV - more than just shipping".

Pan-United Marine Limited

SingaporeUpdated Nov 2006

We are a public listed Marine Company in Singapore with Shipyard facilities in Singapore and Indonesia, Batam Island. We have the capacity to dry-dock ships upto 80,000 dwt, alongside repairs/conversions upto 100,000 dwt and new building of ships upto 30,000 dwt. We also carry out Offshore Fabrication and Installation Work and Engineering Constructions. (E.g: New building of Container Quay Cranes, Pipe Racks, Skid Beams, etc.) Both of our shipyard facilities, namely Pan-United Marine Limited in Singapore and PT. Pan-United Shipyard Indonesia in Batam Island are certified with ISO 9001. To provide a one-stop service, our subsidary company, Cheong Eng Engineering Services Pte Ltd provides anchorage and voyage repairs for our valued Customers.

Parker Diving Service, Inc.

San Pedro, CA, United StatesUpdated Jun 2001

Parker Diving Service, Inc. is a commercial diving company originally established in 1945 in San Pedro, California, providing underwater services including inspection, welding, and cofferdam installation.

Petro-Diamond Incorporated

Irvine, California, United StatesUpdated Mar 2007
Bunker Supplier

Petro-Diamond Inc. is a wholly owned subsidiary of Mitsubishi Corporation, established in 1983 to expand Mitsubishi's petroleum product trading in the western hemisphere, primarily in the United States.

Petro-Diamond Terminal Co.

United StatesUpdated Jun 2002

Petro-Diamond Incorporated is a subsidiary of Mitsubishi Corporation specializing in petroleum product trading and operating a waterborne terminal in Long Beach, California.

Petroleum Fuel & Terminal Co

Weirton, WV, United StatesUpdated May 2026
Bunker Supplier

Petroleum Fuel & Terminal Company is a subsidiary of Apex Oil Company, Inc., owning and operating bulk terminals for petroleum products including marine bunkers, providing storage and distribution services across the US.

Petroleum Fuel & Terminal Co

Rensselaer, NY, United StatesUpdated May 2026
Bunker Supplier

Petroleum Fuel & Terminal Company is a subsidiary of Apex Oil Company, Inc., owning and operating bulk terminals for petroleum products including marine bunkers, with storage and distribution capacity across the US.

Petroleum Fuel & Terminal Co

North Little Rock, AR, United StatesUpdated May 2026
Bunker Supplier

Petroleum Fuel & Terminal Company is a subsidiary of Apex Oil Company, Inc., owning and operating bulk terminals for petroleum products including marine bunkers, with storage and distribution capacity across the US.

Pima Valve Inc.

Chandler, AZ, United StatesUpdated Nov 1998

Pima Valve Inc. manufactures severe-duty bronze marine valves and special bronze and alloy steel products for U.S., Canadian, and NATO-friendly Navy shipboard applications. It operates as a subsidiary of Hunt Valve Company.

Pinnacle Energy Limited

Guildford, Sheepscombe, Gloucs., United KingdomUpdated May 2016

Pinnacle Energy Ltd is an exploration and production consultancy offering services in surface and subsurface evaluation, calculation tools, and support throughout the oil and gas lifecycle from exploration to decommissioning.