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276 companies

Federal Signal Corp. Signal Div.

University Park, IL, United StatesUpdated May 2026

Federal Signal Corporation manufactures a broad range of equipment engineered to improve, enhance and safeguard communities, companies and their infrastructure around the world.

Fisher Associates

United KingdomUpdated May 2026

Fisher Associates is a UK-based consultancy specializing in maritime and port infrastructure projects.

Flinders Ports Pty Ltd

Port Adelaide,, South Australia,, AustraliaUpdated Apr 2004

Flinders Ports is South Australia’s leading private port operator managing seven ports including Port Adelaide, Port Lincoln, and Port Pirie, providing port operations, pilotage, mooring, vessel surveying, and transhipment services.

Fransari S.A.

Santa Cruz de Tenerife, Islas Canarias, SpainUpdated Dec 1999

IdecNet provides tailored connectivity, data center, cloud computing, and telephony solutions to businesses, ensuring secure, scalable, and efficient IT infrastructure.

Fugro (Head Office)

Leidschendam, NetherlandsUpdated Jun 2007

Fugro is a global geo-data company specializing in geotechnical, survey, and environmental services to support safer, sustainable, and efficient operations in maritime, energy, and infrastructure sectors.

Gateway Energy Corporation

Houston,, Texas, United StatesUpdated May 2006

Gateway Energy LLC owns and operates natural gas gathering, transmission, and distribution systems in Arkansas, Missouri, Texas, and New York, focusing on natural gas transportation and delivery to industrial end users.

General Construction Company

Location not listedUpdated Nov 1998

General Construction Company is a marine and heavy civil construction contractor specializing in waterfront infrastructure, pile driving, and dock and pier construction across the Puget Sound region and San Francisco Bay Area.

GeoMechanics International, In

Location not listedUpdated Dec 2002

GeoMechanics International provides geotechnical and geophysical consulting services, specializing in soil and rock mechanics for infrastructure projects.

Grand Isle Shipyard

LA, United States

Grand Isle Shipyard is a US-based company providing engineering, construction, fabrication, and specialty services primarily to the energy, industrial, infrastructure, and power sectors with over 75 years of experience.

Grand Isle Shipyard Abbyville

Abbeville, LA, United States

Grand Isle Shipyard is a longstanding oilfield service company founded in 1948, providing engineering, construction, fabrication, and specialty services primarily to the energy, industrial, infrastructure, and power sectors.

Grand Rivers Terminal

Grand Rivers, KY, United StatesUpdated May 2026

Kinder Morgan is one of the largest energy infrastructure companies in North America, operating approximately 136 terminals that store and handle renewable fuels, petroleum products, chemicals, vegetable oils, and other products.

HNTB Corporation

Kansas City, MO, United StatesUpdated Feb 2002

HNTB Corporation is an employee-owned infrastructure firm specializing in architecture, engineering, planning, and construction management with expertise in bridges, highways, transit, and rail systems.

Hardcore Composites

New Castle, DE, United StatesUpdated Jul 2001

Hardcore Composites manufactures large-scale fiber reinforced polymer (FRP) composite structures for infrastructure applications.

Harfan Technologies, Inc. (Head Office)

Pont-Rouge,, Quebec,, CanadaUpdated Dec 2005

Infrastructure Maintenance and Management The Infrastructure Challenge: Over half of linear infrastructure is now much more than 50 years old. And over 80% has served its expected service life. The challenge is great, yet money is limited. Let us provide you with the methodology and tools to make better decisions and optimize your spending, so you can do more with less. “By integrating condition assessment and repair/replace strategies for each asset with Harfan’s unique approach, you will save over 15% for the same volume of work.”

Harlingen Port Authority

Harlingen, NetherlandsUpdated May 2026
Port Agent

Harlingen Port Authority manages the port facilities in Harlingen, Netherlands, providing maritime services and infrastructure support.

Hawaii District Commercial Harbors

Hilo,, Hawaii, United StatesUpdated Jul 2003

Hawaii District Commercial Harbors manages and operates commercial harbor facilities in Hilo, Hawaii, providing port services and infrastructure support.

Heerema Group

The Hague,, NetherlandsUpdated Jan 2008

Heerema Group delivers innovative and sustainable offshore solutions including transportation, installation, removal of offshore infrastructure, fabrication of offshore energy structures, and bespoke engineering for the offshore renewable industry.

Helsingborgs Hamn AB

Helsingborg, Sweden, SwedenUpdated May 2026

Helsingborgs Hamn AB is a major ferry and container port in the Öresund region, offering secure, efficient, and sustainable terminal services with reliable cargo flows and well-connected rail and road infrastructure.

Herbosch-Kiere NV

BelgiumUpdated Jun 2000

Herbosch-Kiere NV is a Belgian company specializing in civil and hydraulic engineering, maritime and offshore services, foundations, and environmental projects related to water infrastructure.

Hindustan Petroleum Corporation

Bombay, IndiaUpdated Nov 2002
Bunker Supplier

Hindustan Petroleum Corporation Limited (HPCL) is an Indian oil and gas company with a vast marketing network, supply and distribution infrastructure, and involvement in maritime shipping to enhance India's energy security.

Hitachi Zosen Corp (Tokyo Head Office)

Chiyoda-ku,, Tokyo, JapanUpdated Dec 2006

Hitachi Zosen Corp is a Japanese company contributing to environmental facilities, machinery, infrastructure, decarbonization technologies, and marine equipment, supporting safe and sustainable society development.

Hoegh Autoliners

Jeddah, Saudi ArabiaUpdated Feb 2006

Leif Höegh & Co ASA is a leading global shipping company operating a fleet of about 120 technologically advanced vessels, specializing in maritime transportation and LNG infrastructure.

Hyundai Engineering

Seoul,, South KoreaUpdated Jun 2005

Hyundai Engineering is a South Korean company specializing in engineering, procurement, and construction services across various industries including maritime infrastructure.