Hart Crowser (Corporate Headquarters and Seattle Office)
Hart Crowser provides environmental assessment, restoration, and remediation services with expertise in site development, natural resources, and geotechnical engineering.
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Hart's E&P
Hart Energy provides news and analysis on exploration and production, acquisitions and divestitures, technology, and market trends in the oil and gas industry.
Hartmann Schiffahrts GmbH & Co KG
Hartmann Schiffahrts GmbH & Co KG is a Leer, Germany-based maritime company specializing in shipowning, technical and commercial ship management, crewing, and training with a fleet of over 100 vessels and 40 years of expertise.
Harvest Tool Company
Harvest Tool Company, LLC manufactures specialized down hole drilling tools including underreamers, drill bits, section mills, casing cutters, hole openers, and projectile tools, serving the oil and gas exploration and development industry worldwide.
Harvey Gulf International Marine Inc.
Harvey Gulf International Marine, LLC is a marine transportation company specializing in Fast Supply, Offshore Supply, and Multi-Purpose Support Vessels for deepwater operations in the U.S. Gulf of America and abroad.
HarveyOs Skin Diving Inc.
Kent, Washington-based manufacturer and retailer of skin diving suits, drysuits, and diving equipment, including the TWREX drysuit, serving both beginner and experienced divers.
Hatsu Marine Ltd. (Head Office)
Hatsu Marine Limited is a UK-based container shipping company established in 2002, operating a fleet primarily in the transpacific trade between the Far East and North America, with plans for global service expansion.
Havenschap Moerdijk
Havenschap Moerdijk manages and develops Port of Moerdijk, a sustainable and innovative European hub for chemical industry and logistics, offering extensive connections via shortsea, inland shipping, rail, road, and pipelines.
Haveribesiktningar AB
Haveribesiktningar AB specializes in marine casualty surveys and investigations, providing expert assessments for the maritime industry.
Havyard Leirvik AS
Havyard Leirvik AS specializes in shipbuilding, repair, maintenance, and onboard services, focusing on reducing emissions and extending the lifespan of vessels and equipment.
Hawaii Marine Co.
Hawaii Marine Company provides naval architectural, marine engineering, expert witness, marine surveying, computer aided design and drafting services compliant with USCG, ABS, and ABYC standards.
Hawboldt Industries
Hawboldt Industries is an innovative, ISO 9001-certified manufacturer of marine deck equipment, winches, propellers and propeller repairs.
Hawke International
Hawke International, a Hubbell company, supplies explosion protected electrical equipment including cable glands, enclosures, and connectors for harsh and hazardous environments in marine and industrial markets.
Hay World Cargo Ltd.
Hay World Cargo Ltd is a UK-based international freight forwarding company with over 60 years of experience, offering air and ocean freight services and accredited with ISO9002 and AEO status.
Hazardous Explosionproof & Mar
Chalmit Lighting, a Hubbell company, specializes in cutting-edge hazardous and marine lighting solutions for various industrial markets including offshore renewable energy and oil and gas sectors.
Hazardous Locations.com
Swann and Associates Instrumentation Sales Inc. specializes in providing specialty cables and shore power connector/cable assemblies for hazardous locations, with expertise in NEC and IEC hazardous location standards.
Heatric
Heatric designs and manufactures highly compact Printed Circuit Heat Exchangers, (PCHE'S) for use in gas and light hydrocarbon liquids processing (eg. gas compression cooling and dewpoint control). They are characterised as high integrity plate type heat exchangers, used in offshore gas production worldwide.
Heavy Machines, Inc. (Lower Mississippi)
Heavy Machines, Inc. of Memphis, Tennessee, is an equipment dealer specializing in heavy-duty and special purpose equipment sales, including new and used excavators, wheel loaders, shredders, and grinders for industries such as mining, forestry, and material handling.
Hebridean International Cruises
Hebridean International Cruises offers small-ship cruises exploring the Hebrides and Scottish Highlands aboard the Hebridean Princess and Lord of the Highlands.
Hedley Purvis Incorporated
HPI brings 20 years of experience in providing equipment and manpower to ensure the proper and safe completion of critical joints. The company is a global mechanical joint integrity provider headquartered in the United Kingdom, with a presence in Australia, Asia, Norway, Brazil and the US.
Heimdal Propulsion AS
Heimdal Propulsion AS provides reliable maritime propulsion solutions, including customized propulsion systems, marine and industrial generators, and hydraulic components, with over 100 years of expertise.
Heino O. Valvur Marine Consultant
Independent marine consultancy led by Heino O. Valvur, providing expert advisory, marine surveying, and expert witness services for maritime projects and operations.
Hellenic Marine Technical Consultants Association (HMTCA)
Hellenic Marine Technical Consultants Association (HMTCA) provides expert marine technical consulting services in Greece.
Helmerich & Payne, Inc.
Helmerich & Payne, Inc. is a leading global contract drilling contractor specializing in land and offshore platform drilling for oil and gas exploration and production companies.
Henry Stewart Company
The Henry Stewart Company has been a family owned business since it was established in 1905. Now in it's third generation of family ownership, The Henry Stewart Company wants to keep the old traditions alive. Traditions such as supplying the highest quality products, making customer satisfaction the number one priority, and working with small and large companies alike. However, we are not lost in tradition. As a distributor of rigging products we represent only leading manufacturers. With names like Wire Rope Corporation of America, The Crosby Group, American Manufacturing and Yale Hoist, you can be confident we can supply you with the highest quality. Also, be assured that the products we offer are among the elite and most technically sound in the industry. Let 95 years of experience work for you. We are confident you will find your experience with us an invaluable one.