Company lists · Data refreshed September 2026

Top 25 Marine environmental engineering companies based in Saudi Arabia

Name: Marine environmental engineering companies based in Saudi Arabia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 91 companies tracked

RevenueBase identified 91 company matches for marine environmental engineering companies associated with Saudi Arabia as of September 2026 and tracks 3,772 professional contacts across them, including 353 with verified work emails. Dammam is the largest hub.

This list covers company matches for marine environmental engineering companies associated with Saudi Arabia, 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 17, 2026.

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 17, 2026 How this list was built

91Companies

3,772Contacts tracked

353Verified emails

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The 25 largest marine environmental engineering companies based in Saudi Arabia

Ranked by team size

Top 25 of 91 company matches for marine environmental engineering companies based in Saudi Arabia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Zamil Offshore Services Company	Exact match	Al-khobar, Saudi ArabiaHQ recorded Sep 17, 2026	1,001-5,000	2,312 contacts →
	Exact match “Zamil Offshore Services Company has been offering diversified offshore and marine support services to the oil and gas industry since 1977.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Marine Services Company LTD	Exact match	Jeddah, Saudi ArabiaHQ recorded Sep 17, 2026	501-1,000	183 contacts →
	Exact match “Marine Services Co, Ltd.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Fouad Al-Saleh & Khaled Al-Dhowalia Environmental & Engineering Consultants Company	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 17, 2026	201-500	109 contacts →
	Exact match “Fouad Al-Saleh & Khaled Al-Dhowalia Environmental & Engineering Consultants Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Sealand Maritime Group	Exact match	Rastanura, Saudi ArabiaHQ recorded Sep 17, 2026	201-500	80 contacts →
	Exact match “Sealand Maritime Group with corporate office in Rastanura and offices in other GCC countries provides cutting edge solutions to the Marine industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Faisal M. Higgi & Associates Co. LTD	Exact match	Yanbu, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	78 contacts →
	Exact match “Faisal M.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Gulf Power Marine Company	Exact match	Al Khobar, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	68 contacts →
	Exact match “Gulf Power Marine has been continuously growing since its establishment in 1997, providing marine equipment and services in the Kingdom of Saudi Arabia (with headquarters in Al…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Calex Group	Exact match	Jubail, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	56 contacts →
	Exact match “Since our humble establishment in Cochin, India in 2008, CALEX has aspired to offer the best solution to the Marine, Offshore and Industrial when it comes to meet high quality…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	AL Najm AL Thaqib Co. For Marine Services	Exact match	Jubail, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	52 contacts →
	Exact match “AL NAJM AL THAQIB Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Environmental Measurement Co. Emco	Exact match	Jeddah, Saudi ArabiaHQ recorded Sep 17, 2026	11-50	46 contacts →
	Exact match “شركة مختصة في الخدمات والاستشارات البيئية” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Arabian Environmental Science Ltd. Company Arensco	Exact match	Khobar, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	30 contacts →
	Exact match “Arensco is a Saudi Arabian based company providing quality environmental services and consultancy to individuals, companies and Government Ministries throughout the Kingdom.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Sixalliance Offshore Innovation	Exact match	Jubail First Industrial, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	26 contacts →
	Exact match “SixAlliance consist of a team of individuals and strategic partners that have a vast experience in the Marine and Offshore Industry from the various disciplines that are integral…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Murjan Al-Sharq Marine Services	Exact match	Khobar, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	25 contacts →
	Exact match “Providing marine construction and maintenance of ports, breakwaters and bridges including oil spill removal/treatment, Dredging and reclamation; Marine diving Supply and services…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Gsces Environmental	Exact match	Al Yasmeen, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “GSCES Environmental is a part of Dr.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Gulf Advanced Control Systems Gacs Arabia	Exact match	Ras Tanura, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	22 contacts →
	Exact match “G.A.C.S Arabia is a Design, Engineering, Environmental Monitoring, Systems Integrator & Testing Services Provider since 2004.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Advanced Triad Turbine Services Co. LTD	Exact match	Jeddah, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “Advanced Triad Turbine Services (ATTS) is part of Asyad Holding Group, a group with diversified interests ranging from Real Estate, Construction, Power, Engineering Services and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Ahenvironmental Consulting Company	Exact match	Khobar, Saudi ArabiaHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “AH Environmental Services firm based in Khobar A member of Al Habri Group of companies Consists of a dedicated team of professionals with advanced degrees in environmental…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Staterra	Exact match	Al Khobar, Saudi ArabiaHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “With STATERRA you get a team of diverse and specialised experts to help you go beyond compliance and achieve environmental excellence.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Clean Environment Technologies Firm	Exact match	Khobar, Saudi ArabiaHQ recorded Sep 17, 2026	1-10	18 contacts →
	Exact match “Clean Environment Technologies (CET) is a reputed environmental consulting company established in 2005 by Al-Othman Holding Company, employing teams of experts with supreme levels…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Sameer Al-Marzouki Engineering Consultants	Exact match	Jeddah, Saudi ArabiaHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “We are dedicated to helping our clients establish contamination-controlled environments in their facilities by utilizing the latest and emerging technologies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	NAMCO	Exact match	Jeddah, Saudi ArabiaHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “NAMCO providing reliable solutions to the onshore and offshore energy industry and government sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	EQI KSA	Exact match	Al Ula, Saudi ArabiaHQ recorded Sep 17, 2026	51-200	11 contacts →
	Exact match “Our team of environmental engineers, management specialists, ecologists and architects deliver a wide range of environmental management and design services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Global Strategic Alliance	Exact match	Dammam, Saudi ArabiaHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “GSA Provides marine scientific ballast water testing to confirm it meets the current IMO standards and future Saudi Port requirement.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Envocoast	Exact match	Al Khobar, Saudi ArabiaHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “FromSauditotheWorld Envocoast is a Saudi Arabia-based marine protection manufacturer.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Special Environmental Projects Company	Exact match	Khobar, Saudi ArabiaHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Special Environmental Projects (SEP) is a Saudi Arabian- based, privately owned environmental firm established in 2006, in Al-Khobar, Saudi Arabia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Saudi Asma Enviromental Solutions	Exact match	Jeddah, Saudi ArabiaHQ recorded Sep 17, 2026	201-500	6 contacts →
	Exact match “Saudi ASMA Environmental Solutions LLC is a Malaysian company, specializing in environmental fields (Planning, Engineering, Consultancy, Equipment supply, monitoring, solutions…” Recorded in the RevenueBase company graph · Sep 17, 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 environmental engineering companies”. 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 91 marine environmental engineering companies based in Saudi Arabia

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Marine environmental engineering companies based in Saudi Arabia at a glance

As of Sep 17, 2026

9.4%Verified-email coverage

41.5Average contacts per company

11-50Median size (employees)

13.2%Largest-city concentration · Dammam

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for Saudi Arabia, so it is reported there. Company counts and contact totals on this page are exact for Saudi Arabia, over 91 companies.

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.
What qualifies: Company records associated with Saudi Arabia whose business descriptions match “marine environmental engineering companies” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 353 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 17, 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.

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 environmental engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marine environmental engineering companies are there based in Saudi Arabia?

RevenueBase identified 91 company matches for marine environmental engineering companies associated with Saudi Arabia 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?

Zamil Offshore Services Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most marine environmental engineering companies?

Dammam leads with 12 company records, followed by Jeddah (12) and Al Khobar (11).

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 353 professional contacts with verified work emails tracked across these 91 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 17, 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.