Company lists · Data refreshed September 2026

Top 25 Marine engineering and consulting firms worldwide

Name: Marine engineering and consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 23,765 companies tracked

RevenueBase identified 23,765 company matches for marine engineering and consulting firms worldwide as of September 2026 and tracks 778,063 professional contacts across them, including 203,014 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for marine engineering and consulting firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026. Country and city lists for marine engineering and consulting firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

23,765Companies

778,063Contacts tracked

203,014Verified emails

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The 25 largest marine engineering and consulting firms worldwide

Ranked by team size

Top 25 of 23,765 company matches for marine engineering and consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	AECOM	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	10001+	63,914 contacts →
	Exact match “AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Saipem	Exact match	Milan, ItalyHQ recorded Sep 28, 2026	10001+	34,095 contacts →
	Exact match “Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 2026	10001+	22,733 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Mcdermott International, LTD	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	10001+	20,135 contacts →
	Exact match “McDermott is a premier provider of engineering and construction solutions to the energy industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Amec Foster Wheeler	Exact match	Aberdeen, United KingdomHQ recorded Sep 28, 2026	10001+	14,368 contacts →
	Exact match “Wood Group has combined with Amec Foster Wheeler to form a new global leader in the delivery of project, engineering and technical services to energy and industrial markets.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Sep 28, 2026	10001+	12,999 contacts →
	Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Atkins	Exact match	Epsom, United KingdomHQ recorded Sep 28, 2026	10001+	9,297 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Tata Consulting Engineers	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	5,001-10,000	8,440 contacts →
	Exact match “Tata Consulting Engineers Limited (TCE) is the largest Indian private sector engineering and project consultancy and an emerging global leader in integrated engineering solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	7,527 contacts →
	Exact match “CDM Smith is shaping what’s next, now, with world class solutions in water, environment, transportation and energy to public and private clients worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Afcons Infrastructure Limited	Exact match	Veera Desai Road, IndiaHQ recorded Sep 28, 2026	1,001-5,000	6,807 contacts →
	Exact match “Afcons is flagship infrastructure engineering & construction company of the Shapoorji Pallonji Group.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Lamprell	Exact match	Sharjah, United Arab EmiratesHQ recorded Sep 28, 2026	5,001-10,000	6,080 contacts →
	Exact match “With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Kongsberg Maritime	Exact match	Kongsberg, NorwayHQ recorded Sep 28, 2026	5,001-10,000	5,555 contacts →
	Exact match “Kongsberg Maritime is your trusted partner in navigating the complexities of the maritime industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Seatrium	Exact match	United StatesHQ recorded Sep 28, 2026	10001+	4,522 contacts →
	Exact match “A Premier Global Player with Deep Engineering Expertise in the offshore, marine and energy industries Engineering our Future Together.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Deme Group	Exact match	Beveren-kruibeke-zwijndrecht, BelgiumHQ recorded Sep 28, 2026	5,001-10,000	4,395 contacts →
	Exact match “DEME (Euronext Brussels: DEME) is a leading contractor in the fields of offshore energy, dredging and marine infrastructure, and environmental remediation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	VAN Oord	Exact match	3063 Nh, NetherlandsHQ recorded Sep 28, 2026	5,001-10,000	4,364 contacts →
	Exact match “Van Oord is a leading international marine contractor focusing on dredging, infrastructure and offshore energy projects.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Michael Baker International	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	4,362 contacts →
	Exact match “Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	DAMEN	Exact match	Gorinchem, NetherlandsHQ recorded Sep 28, 2026	10001+	4,210 contacts →
	Exact match “Oceans, seas, lakes and rivers offer growing possibilities in the areas of trade, food, energy and recreation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	China Harbour Engineering Co. LTD	Exact match	Beijing, ChinaHQ recorded Sep 28, 2026	5,001-10,000	3,835 contacts →
	Exact match “CHEC is focused on basic infrastructure construction, such as Marine Engineering, Dredging and Reclamation, Road and Bridge, Railways, Airports, Complete Plant, and other works.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	ENPPI	Exact match	Nasr City 1, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,370 contacts →
	Exact match “Enppi is globally recognized as a major engineering, EPC main contractor, and management contractor, with decades of experience in onshore and offshore projects in the oil and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Boskalis	Exact match	Papendrecht, NetherlandsHQ recorded Sep 28, 2026	10001+	3,366 contacts →
	Exact match “Boskalis is a leading global services provider operating in the dredging, maritime infrastructure and maritime services sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Murphy	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	3,095 contacts →
	Exact match “Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Gran Services S.A	Exact match	Macaé, BrazilHQ recorded Sep 28, 2026	1,001-5,000	2,752 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Priner	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 28, 2026	5,001-10,000	2,737 contacts →
	Exact match “Há mais de 40 anos, a Priner se destaca no setor de engenharia industrial e infraestrutura, oferecendo soluções com excelência técnica, seguras e eficientes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	دار الرياض DAR AL Riyadh	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 28, 2026	1,001-5,000	2,720 contacts →
	Exact match “Founded in the mid-1970s by Prince Turki bin Abdullah bin Abdulrahman Al Saud, a forward-thinking engineering pioneer, Dar Al Riyadh has evolved into the Kingdom's leading…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Heerema Marine Contractors	Exact match	Leiden, NetherlandsHQ recorded Sep 28, 2026	1,001-5,000	2,643 contacts →
	Exact match “Heerema Marine Contractors is a world-leading marine contractor in the international offshore energy industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “marine engineering and consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 23,765 marine engineering and consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 203,014 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Marine engineering and consulting firms worldwide at a glance

As of Sep 28, 2026

26.1%Verified-email coverage

32.7Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · Singapore

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

10,772

11-50

7,913

51-200

3,277

201-500

1,000

501-1,000

355

1,001-5,000

268

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for marine engineering and consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “marine engineering and consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 203,014 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Marine engineering and consulting firms by location

118 lists · largest first

Every Marine engineering and consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “marine engineering and consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marine engineering and consulting firms are there worldwide?

RevenueBase identified 23,765 company matches for marine engineering and consulting firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

AECOM tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most marine engineering and consulting firms?

The United States leads with 2,732 companies, followed by the United Kingdom (1,360) and India (1,282). Every marine engineering and consulting firms list by country and city is linked on this page.

Which city has the most marine engineering and consulting firms?

Singapore leads with 333 company records, followed by Istanbul (259) and Dubai (244).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 203,014 professional contacts with verified work emails tracked across these 23,765 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.