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1,411 companies

Grandweld

Dubai,, United Arab EmiratesUpdated Aug 2005

Grandweld is a fully integrated shipyard in Dubai providing shipbuilding, ship repair, ship conversion, and engineering solutions for the offshore and marine industry worldwide.

Grant Prideco, Inc.

Houston,, Texas, United StatesUpdated Nov 2007

Grant Prideco, Inc. is a global leader in drill stem technology, drill pipe manufacturing, drill bit technology, and provides high-performance engineered connections and premium tubular products for the oilfield equipment industry.

Great Atlantic Boiler Services Inc.

Jacksonville, FL, United StatesUpdated Nov 1998

Great Atlantic Boiler Services Inc. is a Jacksonville, Florida-based marine boiler service company providing repair, maintenance, and inspection services for shipboard boilers and steam systems.

Great Lakes Dredge & Dock Company (GLDD)

Oak Brook,, IL, United StatesUpdated Sep 2017

Great Lakes Dredge & Dock Company (GLDD) provides marine dredging and engineering services that help shape the environment as well as provide transportation resources of communities across the world, including America’s largest cities and busiest ports.

Great Lakes Power Products

Pittsburgh, PA, United StatesUpdated May 2026

Great Lakes Power Products is a leading provider of OEM products, rebuilt units, parts, service and engineering expertise for power transmission solutions in the marine and industrial off-highway markets, including commercial, pleasure, and governmental vessels.

Greenbriar Resources - Gary L.

Location not listedUpdated Dec 2002

Greenbriar Resources Corporation is an upstream consultancy to the oil and gas industry specializing in geology, geophysics, reservoir and production engineering, and economic analysis, providing data integration and custom software solutions for hydrocarbon exploration.

Grimm Engineering, Inc.

Location not listedUpdated Dec 2002

Grimm Engineering, Inc. is a company specializing in engineering services, likely serving maritime or industrial sectors.

Gryphon Cypher

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.

Guido Perla & Associates Inc.

Seattle,, WA, United StatesUpdated Nov 2006

Guido Perla & Associates, Inc. is a naval architecture and marine engineering firm specializing in the design of fishing vessels, serving clients primarily in the US with a global customer base.

Guildline Instruments Inc.

Lake Mary, FL, United StatesUpdated Jul 2003

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.

Guill Tool & Engineering Co. Inc.

West Warwick, RI, United StatesUpdated May 2026

Guill Tool & Engineering Co. Inc. is a designer and manufacturer of extrusion tooling, serving commercial and industrial equipment markets from West Warwick, Rhode Island.

Gulf Coast Region Maritime Technology Center

New Orleans, LA, United StatesUpdated Oct 2002
Training

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 Engineering Company

United StatesUpdated Nov 2001

Gulf Engineering Company is a U.S.-based maritime engineering firm specializing in ship design, repair, and marine consulting services.

GustoMSC

Schiedam,, NetherlandsUpdated Dec 2005

GustoMSC is a Dutch company specializing in the design and engineering of offshore vessels and marine structures, serving the maritime and offshore industries.

H T Engineering, Inc.

Location not listedUpdated Dec 2002

H T Engineering, Inc. provides marine engineering and repair services, specializing in shipboard machinery and equipment maintenance.

H. O. Bostrom Co Inc

Waukesha, WI, United StatesUpdated Jun 2004

As a provider of seating for over 50 years, H.O. Bostrom is one of the most respected names in the industry. Our engineers have a solid understanding of ergonomics and carefully study a seat's function, shape and positioning in relation to the user's body. Our SeaPost series seats are "marinized" to withstand their environment. We use only non-corrosive hardware and a two-coat metal finish, which includes a phosphate base coat, plus a baked TGIC polyester powder paint.

HDR Engineering,Inc.

Omaha, NE, United StatesUpdated Nov 1998

HDR Engineering, Inc. is an American design and engineering company based in Omaha, Nebraska, providing services including coastal engineering and restoration, ports and maritime, and transportation.

HDR Enginering, Inc.

Omaha, NE, United StatesUpdated Feb 2002

HDR is a leading architecture and engineering consulting firm with expertise in transportation including ports and maritime, providing planning, engineering, and environmental services.

HGC Engineering-Consulting for

Location not listedUpdated Dec 2002

HGC Engineering-Consulting specializes in acoustical consulting with expertise in noise and vibration control for industrial, built environment, transportation, defense, and product research markets.

HJM Marine Ltd

United KingdomUpdated Oct 2001
Port Agent

HJM Marine Ltd is a UK-based agent representing multiple international ship repair and engineering facilities.

HK Metalcraft Manufacturing Corp.

Lodi, NJ, United StatesUpdated Feb 2007

HK Metalcraft Manufacturing Corp. specializes in precision metal stampings and custom engineered metal components serving industries including automotive, aerospace, defense, and marine.