Greenwood Marine Management, Inc. provides marine survey and inspection services, marine construction, conversions and repairs, vessel design and specification preparation, and project management services for marine vessels and related equipment.
Grieg Group is a family-owned maritime group operating within seafood, shipping, maritime innovation, and investments, with 1843 colleagues across 7 countries.
Grimaldi Group is a multinational logistics company specializing in maritime transport of cars, rolling cargo, containers, and passengers, operating ro-ro ships, car carriers, and ferries.
Grupo Libra is a maritime transportation and marine shipping company based in Rio de Janeiro, Brazil, operating container terminal facilities including Terminal de Contêineres 1 (T1Rio).
30 Harbour Rd., Wan Chai, Hong Kong Sar, ChinaUpdated May 2026
Gryphon Cypher is a full-service engineering and business development consulting company specializing in the design, marketing, and implementation of marine navigation and communications systems.
Garrett Construction, based in Ingleside, Texas, provides innovative civil construction and earthwork solutions including asphalt and concrete paving, grading, excavation, maintenance, repair, and consulting services.
Guildford Marine is a family-run chandlery in Surrey, UK, supplying a wide range of boat care products, fittings, clothing, and safety equipment for dinghy sailors and yachtsmen.
Guildline Instruments is an engineering company based in Lake Mary, FL, specializing in the design, manufacturing, and marketing of ultra-precise instruments for metrology and oceanography since 1957.
Gulf Coast Air & Hydraulics is a full line distributor specializing in Air and Hydraulic Sales, Service, Fabrication and Installation for the Industrial and Marine Industry. Sales and Service capabilities available 24 hrs. a day, 7 days a week. Custom packages designed and manufactured to customer's specifications.
Gulf Coast Alloy Welding Inc is a Texas-based industry-leading fabricator specializing in ASME code pressure vessels, reactors, process columns, and custom skid packages with over 40 years of experience delivering high-quality fabricated process equipment.
Gulf Coast Marine Fabricators, Inc. provides design, fabrication, painting, assembly, and installation services for marine and offshore projects, with a 10,000 sq ft facility and 24-hour service in Abbeville, Louisiana.
The Gulf Coast Region Maritime Technology Center (GCRMTC) is a research and project management center located at the University of New Orleans, collaborating with engineering faculty on sponsored maritime research projects.
Gulf Copper & Manufacturing Corp. provides marine repair, fabrication, dry docking, and energy services to the oil & gas, marine transportation, refining, and petrochemical markets.
Gulf Copper South Yard in Port Arthur, TX provides marine repair, fabrication, energy services, dry docking, and government industrial support with extensive facilities and equipment.
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