The Gloucester Harbour Trustees are responsible for the safety of navigation in the Gloucester Harbour, an area of the Severn Estuary stretching from seaward of the Second Severn Crossing to the weirs at Maisemore and Llantony near Gloucester and the River Wye to Bigsweir Bridge. GHT provides and maintains navigational aids to mark the main channel and provides a pilotage service which is compulsory for larger vessels.

GMD Shipyard is committed to meeting the demands of the customers while providing quality workmanship which supports and promotes prudent environmental and safety principles. With an exceptional team of skilled technicians and dedicated management, GMD Shipyard can serve all of the vessel needs from routine maintenance to conversions to emergency dry-dockings.

GN Espace is a UK-based specialist galley company, whose innovative marine cooker designs and integrated systems are chosen by the world’s leading yacht builders as original equipment for their galleys.

GPS Marine based in Upnor, Kent (UK) is proud to have a tradition of over 50 years of service in the maritime industry. Throughout the years GPS Marine has expanded its activities.

Since the formation of DiveCo Marine in 2013, we have rapidly developed an industry leading reputation as the specialist contractor, for delivering innovative solutions, to high risk projects that are safe, cost effective and of real value to our clients.

The Great Lakes Group is a full-service marine transportation organisation made up of a 'group' of diversified marine-related companies operating on the Great Lakes. The companies provide transportation, logistics, new construction, fabrication, repair, and line-handling services across the Great Lakes.

At Griffon Hoverwork, they design and manufacture hovercraft of varying payloads and application requirements. Their crafts can be offered in differing configurations to suit varied requirements. They offer outstanding expertise in naval architecture, aerodynamics and regulatory compliance engineering, combined with genuine practical shipbuilding experience.

Gruebb are well known as the suppliers of the most advanced stainless steel tube drawing oils and their products are used in plants in the US, Austria, Switzerland and the UK. They produce high performance stainless steel pressing / forming oils for aerospace applications. For an equipment builder, they have formulated and supply an innovative water-based gel for mandrel lubrication in their stainless steel tube bending machines.

GS Caltex is a globally renowned energy company, with headquarters based in South Korea, who persistently strives to become a leader in the global energy industry. Powered by the state-of-the-art technology and the success of core businesses, including petroleum, petrochemical, base oil and lubricants, GS Caltex currently exports more than 70% of products to 63 countries.

At GS Marine, all of the products they sell are certified products. They provide services in all ports and shipyards within Turkey and globally. Their main areas of activity include technical materials, ship supply, spare parts, spare parts maintenance and installation, provisions, publications, electrical materials, daily living products, etc. They are both supplier and manufacturer. They can supply by air, sea and land.

GTD Solution Inc. is dedicated to leading the digital transformation of the transport and logistics industry. They offer international growth opportunities across their global portfolio. Their supply chain platform is poised to lead the digital transformation of global shipping.

GTT is a pioneering engineering company in containment systems for the shipping and storage in cryogenic conditions of LNG (liquefied natural gas), GTT offers engineering, consultancy, training, maintenance support, and technical design services. Approved by pioneering classification societies, its technologies are underpinned by a substantial return of experience over many decades.

The Hadley Shipping Group Ltd operates as one of the few remaining family-controlled British shipping companies. The Company has navigated through often volatile and unpredictable markets with a legacy of prudent and responsible investment to prove credible growth and continued expansion.

Hamble Marine Ltd is one of the UK’s suppliers of Marine Electronics to the leisure boat owner. They are a major Garmin supplier (FishFinders, ChartPlotters & Transducers etc) and the largest independent importer of Banten antennas (Marine VHF and Boat TV aerials).

Hamworthy Pumps is a market-leading manufacturer of in-line pumps for the marine and offshore industries. They operate within the areas of engine room pumps, pump room systems, fire water pump packages, scrubber pumps, as well as sales and after-sales services.

Hansen Protection AS is a Norwegian high-tech company with a broad range of markets. Their main business is based on the design and manufacture of products using coated and uncoated fabrics. Their main area of ​​activity is the manufacture and supply of immersion suits for the offshore and maritime sectors. They produced their first immersion suits in 1976, in connection with the start of oil activities in the North Sea.

Hanshin Electronics Co., Ltd. has successfully been providing marine inter Communication equipment and technical services to large number of world's famous customers since its foundation in 1988.

Hardy Engineering Ltd design, manufacture and supply a comprehensive range of hydraulic and electrical marine equipment. a range of services such as engine servicing/installation, complete hydraulic packages, designing, machining and welding.

HAV Shipping AS is a Norwegian limited holding company focusing on Short Sea shipping. HAV Ship Management NoRus AS is established to deliver ship/crew management and support services to the HAV Group and its business partners. HAV Ship Management NorRus' main focus is the sea–river segment. These vessels require efficient and well-organised maintenance due to North Sea voyage conditions, frequent port calls and diversity of bulk/project cargoes.

Havenstar marina management software is ideal for a whole range of marinas, from small harbors to businesses that manage a whole range of tasks in marinas across several different locations.

Hawthorne Cat is the authorised dealer for Cat construction and power equipment in San Diego, Hawaii, Guam, Saipan and American Samoa. Hawthorne sells, rents, provides parts and service, training and emission solutions to various industries including general building construction, landscaping, marine, paving and power generation.

Hays Ships owns and operates a small fleet of survey, research, and patrol vessels for a wide variety of clients. With over forty five years of history as a specialist vessel provider, the company has unique experience to offer clients which augments the capabilities of the vessels. Hays Ships vessels are highly targeted to meet client requirements but are typically in the 50 to 100m range with Dynamic Positioning (DP) systems.

HB Hydraulics is a service registered Company providing on-site specialist engineering support to marine and associated land based equipment.

Heinen & Hopman Engineering was founded in 1965 as a family business by Melis Heinen and Cees Hopman. Heinen & Hopman Engineering provide world-class quality and service in air conditioning, ventilation, central heating, refrigeration and mechanical ventilation, and have supplied over 10,000 vessels worldwide. Whatever the environment in which the vessels we supply will be sailing, our knowledge and expertise ensures the most suitable indoor.

Hellenika LLC. is a Black Sea company specializing in dry docking services, ship repair, and maintenance. With 25 years of experience, they offer onboard ship repair services worldwide, handled by skilled teams of mechanics, welders, electricians, and more. Their comprehensive services include mechanical repairs, steelwork, welding, piping, electrical work, cleaning, painting, and ballast water treatment system installation.

HENSOLDT UK, formerly Kelvin Hughes Limited, is a globally renowned company in the development, manufacture and supply of maritime navigation and surveillance radar systems. They set the international standard in solid state radar sensor technology with our Kelvin Hughes SharpEye and market renowned navigation and tactical radar display systems.

HEC provides marine consulting and software development services to shipowners, operators, charterers, shipyards, and government agencies. The primary area of expertise is in the conceptual, preliminary, and contract design of commercial vessels. HEC has extensive experience in new buildings and conversions of containerships, break-bulk carriers, ro-ro’s, and tankers.

HFW is a global law firm in the aerospace, commodities, construction, energy, insurance, and shipping sectors.

Founded in 1982, HGH Infrared Systems designs, develops, assembles, and sells optronic systems for industrial, civil, defense, and security applications. In 30 years of existence, HGH has established itself as an international reference in terms of innovation in infrared technology, through the development of multiple advanced sensors.

Hi-Sea Marine is located in the largest industrial city – Chongqing, China. They are the earliest professional manufacturer and exporter of marine equipment and offshore Equipment in China since 1996.