Company lists · Data refreshed October 2026

Top 25 Marine engineering survey firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 5,437 companies tracked

RevenueBase identified 5,437 company matches for marine engineering survey firms worldwide as of October 2026 and tracks 68,600 professional contacts across them, including 12,261 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for marine engineering survey 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 October 18, 2026. Country and city lists for marine engineering survey 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 Oct 18, 2026 How this list was built

5,437Companies

68,600Contacts tracked

12,261Verified emails

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The 25 largest marine engineering survey firms worldwide

Ranked by team size

Top 25 of 5,437 company matches for marine engineering survey firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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	Free Lancer	Exact match	BrazilHQ recorded Oct 18, 2026	n/a	2,271 contacts →
	Exact match “Rov company.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2	Wallem Group	Exact match	Hong KongHQ recorded Oct 18, 2026	501-1,000	1,358 contacts →
	Exact match “First established in Shanghai in 1903, Wallem Group has a 120-year maritime heritage with a presence in 19 countries globally.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3	Aries Marine And Engineering Services	Exact match	United Arab EmiratesHQ recorded Oct 18, 2026	1,001-5,000	1,257 contacts →
	Exact match “Aries is the largest Engineering, Inspection & Maintenance firm in the Middle East.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4	KBR Energo Engineering	Exact match	Houston, TX, United StatesHQ recorded Oct 18, 2026	n/a	795 contacts →
	Exact match “Energo Engineering is a KBR Company that provides the full package of structural integrity management (SIM) and advanced structural engineering services for offshore floating and…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5	Techocean Engineering Solutions	Exact match	Macaé, BrazilHQ recorded Oct 18, 2026	501-1,000	776 contacts →
	Exact match “Techocean is a supplier of engineering services focused on the oil & gas industry, creating solutions for steel fabrications as Platforms, Piping Lines, Several Structures and…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6	ASL Shipyard Indonesia	Exact match	Batam, IndonesiaHQ recorded Oct 18, 2026	5,001-10,000	746 contacts →
	Exact match “PT.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7	Pt. Anindya Wiraputra Konsult	Exact match	Jakarta, IndonesiaHQ recorded Oct 18, 2026	1,001-5,000	669 contacts →
	Exact match “ANINDYA is an independent surveying company that provides quality and quantity superintending service for the coal and minerals industry, the oil and gas sector as well as marine…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8	PT Solusi Energy Nusantara	Exact match	IndonesiaHQ recorded Oct 18, 2026	501-1,000	632 contacts →
	Exact match “PT Solusi Energy Nusantara (SENA) is affiliation of PGN Group, a reputable company which has a core business in natural gas distribution and transmission.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9	Gardline Limited	Exact match	Great Yarmouth, United KingdomHQ recorded Oct 18, 2026	501-1,000	565 contacts →
	Exact match “Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10	Aries Group Of Companies	Exact match	Sharjah, United Arab EmiratesHQ recorded Oct 18, 2026	1,001-5,000	472 contacts →
	Exact match “Founded by Sir Sohan Roy on 28 March 1998 in the United Arab Emirates, Aries Group began with its flagship unit, Aries Marine, and has since grown into one of the largest…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11	Hydrodive Group	Exact match	Lagos, NigeriaHQ recorded Oct 18, 2026	201-500	431 contacts →
	Exact match “HydroDive provides a broad range of Marine Vessels, Air, Mixed Gas and Saturation Diving, ROV, AUV and Survey Services primarily to the offshore & inshore Petroleum Industry of…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12	Collins Engineers, INC	Exact match	Chicago, IL, United StatesHQ recorded Oct 18, 2026	201-500	424 contacts →
	Exact match “In 1979, Collins Engineers, Inc.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	Briggs Marine	Exact match	Burntisland, United KingdomHQ recorded Oct 18, 2026	501-1,000	420 contacts →
	Exact match “Briggs Marine is a leading provider of marine and environmental services, specialising in port and marine operations, subsea and environmental support and vessel charter.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	Coastal Marine Construction & Engineering LTD	Exact match	Mira Bhayander, IndiaHQ recorded Oct 18, 2026	201-500	409 contacts →
	Exact match “COMACOE - Coastal Marine Construction & Engineering Ltd is an experienced marine services contractor with operations in multiple geographies offering a range of service over the…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	Geoxyz	Exact match	Zwevegem, BelgiumHQ recorded Oct 18, 2026	501-1,000	408 contacts →
	Exact match “GEOxyz is an international maritime data company specialized in hydrographic, geophysical, geotechnical and topographical surveys, site investigations, renewable energy support…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16	Leidos Gibbs & COX	Exact match	Arlington, VA, United StatesHQ recorded Oct 18, 2026	201-500	396 contacts →
	Exact match “Leidos Gibbs & Cox is an engineering and design firm specializing naval architecture, marine engineering, and consulting engineering.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17	Horizon Geosciences	Exact match	Sharjah, United Arab EmiratesHQ recorded Oct 18, 2026	201-500	377 contacts →
	Exact match “Headquartered in the UAE, Horizon Geosciences provide marine survey and geotechnical services to an array of clients around the world.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18	Fugro Suhaimi Company LTD	Exact match	Dammam, Saudi ArabiaHQ recorded Oct 18, 2026	501-1,000	365 contacts →
	Exact match “We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19	HSL Constructor PTE LTD	Exact match	SingaporeHQ recorded Oct 18, 2026	501-1,000	345 contacts →
	Exact match “Founded in 1994 as a small start-up company, HSL has grown rapidly to become a key regional player in the marine civil engineering sector.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20	ALI & Sons Marine Engineering Factory Asmef	Exact match	Mussafah, United Arab EmiratesHQ recorded Oct 18, 2026	501-1,000	325 contacts →
	Exact match “Ali & Sons Marine Engineering Factory (ASMEF) was established in 2009 with the aim of catering to the Marine and Oil & Gas Industry in the UAE.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21	Safeen Subsea	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 18, 2026	201-500	301 contacts →
	Exact match “SAFEEN Survey & Subsea Services is a premier provider of integrated offshore survey, diving and subsea engineering solutions across the UAE, GCC and globally.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22	Imia, LLC	Exact match	Chesapeake, VA, United StatesHQ recorded Oct 18, 2026	1,001-5,000	295 contacts →
	Exact match “Founded in 1985 and a distinguished part of ARMADA Parent Inc, established itself as a premier marine preservation company, delivering an extensive suite of services to…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23	Q.E.D. Systems, INC	Exact match	Virginia Beach, VA, United StatesHQ recorded Oct 18, 2026	501-1,000	284 contacts →
	Exact match “Quod Erat Demonstrandum (QED) – “That which has been demonstrated or proven” – QED Systems Inc.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24	Dormac	Exact match	Durban, South AfricaHQ recorded Oct 18, 2026	501-1,000	276 contacts →
	Exact match “Dormac Marine is a dynamic engineering company offering vessel owners and operators complete turnkey solutions for repair, refurbishment and modifications of assets through a full…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25	Pt. Patria Maritim Perkasa	Exact match	Batam, IndonesiaHQ recorded Oct 18, 2026	51-200	272 contacts →
	Exact match “PATRiA Maritim Perkasa was established in Batam in 2005 under the name PT.” Recorded in the RevenueBase company graph · Oct 18, 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 survey 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 5,437 marine engineering survey firms worldwide

See the full list, filter by size, metro and specialty, and access 12,261 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Marine engineering survey firms worldwide at a glance

As of Oct 18, 2026

17.9%Verified-email coverage

12.6Average contacts per company

1-10Median size (employees)

2.9%Largest-city concentration · Singapore

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

2,810

11-50

1,791

51-200

595

201-500

138

501-1,000

1,001-5,000

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 survey firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “marine engineering survey 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 12,261 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 October 18, 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 survey firms by location

39 lists · largest first

Every Marine engineering survey 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 survey firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marine engineering survey firms are there worldwide?

RevenueBase identified 5,437 company matches for marine engineering survey firms worldwide as of October 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?

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

Which country has the most marine engineering survey firms?

The United States leads with 524 companies, followed by the United Kingdom (468) and India (296). Every marine engineering survey firms list by country and city is linked on this page.

Which city has the most marine engineering survey firms?

Singapore leads with 156 company records, followed by Istanbul (102) and Dubai (95).

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 12,261 professional contacts with verified work emails tracked across these 5,437 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 October 18, 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.