Company lists · Data refreshed September 2026
Top 22 Offshore well services based in Saudi Arabia
RevenueBase identified 47 offshore well services headquartered in Saudi Arabia as of September 2026 and tracks 14,201 professional contacts across them, including 1,526 with verified work emails. Dammam is the largest hub.
This list covers offshore well services headquartered in Saudi Arabia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 22 largest offshore well services based in Saudi Arabia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,251 contacts → | ||||
Indirect evidence “ADES is a world-leading international provider of oil and gas drilling services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,312 contacts → | ||||
Partial evidence “Zamil Offshore Services Company has been offering diversified offshore and marine support services to the oil and gas industry since 1977.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,042 contacts → | ||||
Partial evidence “We are the region’s trusted onshore and offshore oil & gas drilling company with an extensive track record of operational excellence and advanced capabilities that have enabled…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,664 contacts → | ||||
Partial evidence “With an extensive fleet of over 200 vessels worldwide, Rawabi Vallianz Offshore Services leverages Rawabi’s expertise to ensure exceptional quality and on-time delivery.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,249 contacts → | ||||
Partial evidence “ARO is a world-class offshore drilling contractor that owns, operates, and manages a fleet of high-specification and premium jack-up rigs in Saudi Arabia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 916 contacts → | ||||
Partial evidence “Provides first-class marine offshore Services to the Oil & Gas sector in the Arabian Gulf region and beyond.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 404 contacts → | ||||
Indirect evidence “This page is dedicated to Mermaid Subsea Saudi Arabia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 311 contacts → | ||||
Partial evidence “Hadi H Al Hammam Est.( Marine Division ) is one of the leading providers of marine / offshore support services to the Oil & Gas Industry in Saudi Arabia and Middle East.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 69 contacts → | ||||
Indirect evidence “The Drilling & Petroleum Services (DPS) is EDC’s affiliated company in Saudi Arabia which has been recognized as one of the top-performing drilling contractors in Saudi Arabia due…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 56 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 39 contacts → | ||||
Indirect evidence “Midad oilfield Services is managed by a team of individuals with international and local experience who understand the challenges our customers are facing.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 29 contacts → | ||||
Indirect evidence “Sawafi was established as a wholly-owned subsidiary of Khalid Ali Alturki & Sons Holding Company (Alturki Holding) in 2013 to market and deliver highly differentiated technology…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 26 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 25 contacts → | ||||
Indirect evidence “Providing marine construction and maintenance of ports, breakwaters and bridges including oil spill removal/treatment, Dredging and reclamation; Marine diving Supply and services…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 25 contacts → | ||||
Partial evidence “Salasel Offshore Marine Services, established in 2015 in the Kingdom of Saudi Arabia, is a trusted provider of specialized offshore, marine, and subsea solutions across the Middle…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 23 contacts → | ||||
Indirect evidence “Integrated Marine Solutions offers premium support to the marine industry with a suite of services designed for maritime industrial operations.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 10 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Partial evidence “At Seagate, we attempt to meet the broadest requirements of the onshore and offshore full logistic services We are committed to providing high quality products and services that…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Partial evidence “Company working in diversified offshore business field which is owned by RAR group Saudi Arabia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Partial evidence “We are a premier offshore oil & gas contractor specialized in Maintenance, Modifications and Operations (MMO) services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Indirect evidence “Inspection Works.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “Direct Target provides the customer with high-quality marine surveys and helps to effectively resolve issues in the maritime business.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: offshore well services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names offshore well services.
- Partial evidence
- Its own public description names part of offshore well services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name offshore well services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 22 of 47 offshore well services based in Saudi Arabia
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Offshore well services based in Saudi Arabia at a glance
As of Sep 20, 2026Companies by employee count
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 47 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among offshore well services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Saudi Arabia whose own description of what they do matches “offshore well services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names offshore well services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among offshore well services, and records with no verified work email. Companies headquartered outside Saudi Arabia are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,526 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names offshore well services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many offshore well services are there based in Saudi Arabia?
RevenueBase identified 47 offshore well services headquartered in Saudi Arabia as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
ADES, headquartered in Al Khobar, tops this list with the largest team on record.
Which city has the most offshore well services?
Dammam leads with 11 headquartered companies, followed by Al Khobar (10) and Khobar (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,526 verified decision-maker contacts tracked across these 47 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.