Company lists · Data refreshed September 2026

Top 25 Well intervention companies worldwide

RevenueBase identified 1,089 company matches for well intervention companies worldwide as of September 2026 and tracks 64,589 professional contacts across them, including 12,557 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for well intervention companies 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 22, 2026. Country and city lists for well intervention companies 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 22, 2026 How this list was built
1,089Companies
64,589Contacts tracked
12,557Verified emails
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The 25 largest well intervention companies worldwide

Ranked by team size
Top 25 of 1,089 company matches for well intervention companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20265,001-10,0006,466 contacts →

Exact match

“Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchAl Khobar, Saudi ArabiaHQ recorded Sep 22, 20265,001-10,0003,251 contacts →

Exact match

“ADES is a world-leading international provider of oil and gas drilling services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchBrazilHQ recorded Sep 22, 2026n/a2,224 contacts →

Exact match

“Rov company.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchComuna 1, ArgentinaHQ recorded Sep 22, 20261,001-5,0002,064 contacts →

Exact match

“Somos la mayor prestadora de servicios de perforación de la Argentina y somos líderes en la prestación de servicios asociados al mantenimiento y optimización de los pozos de…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,0001,706 contacts →

Exact match

“Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchDubai, United Arab EmiratesHQ recorded Sep 22, 20265,001-10,0001,407 contacts →

Exact match

“Anton Oilfield Services Group (hereinafter as “Anton”) is the world's leading integrated oilfield technology service company that provides clients with a full range of products…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 22, 20261,001-5,0001,285 contacts →

Exact match

“Cudd offers a broad range of technical and specialized oilfield services to companies engaged in the exploration and production of oil and natural gas worldwide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchMuscat, OmanHQ recorded Sep 22, 20261,001-5,0001,244 contacts →

Exact match

“Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchBrazilHQ recorded Sep 22, 20261,001-5,0001,069 contacts →

Exact match

“A Queiroz Galvão Óleo e Gás (QGOG) é a maior companhia privada de prestação de serviços de perfuração e produção do Brasil.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchAllerød, DenmarkHQ recorded Sep 22, 2026501-1,0001,043 contacts →

Exact match

“Welltec® is a global technology company that develops and provides efficient, hi-tech solutions for the energy industry.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchLondon W2 2es, United KingdomHQ recorded Sep 22, 20261,001-5,000933 contacts →

Exact match

“Excellence Logging is an established energy services provider focused on optimizing well performance.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchHumble, TX, United StatesHQ recorded Sep 22, 20261,001-5,000844 contacts →

Exact match

“Innovex International, Inc (NYSE: INVX) is a Houston-based company established in 2024 following the merger of Dril-Quip, Inc and Innovex Downhole Solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchMuscat, OmanHQ recorded Sep 22, 20261,001-5,000748 contacts →

Exact match

“MB Petroleum Services is a multinational corporation providing cost-effective quality drilling, integrated well services and integrated production services worldwide with the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,000744 contacts →

Exact match

“Wellbore Integrity Solutions provides superior technologies and global service domain expertise, enabling our customers to enhance the full lifecycle of their wells by solving…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,000712 contacts →

Exact match

“With a culture built on high performance and flawless execution, Nine Energy Service is a unique kind of oilfield services company, offering industry-shaping completion solutions…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchEast Ahmadi, KuwaitHQ recorded Sep 22, 20261,001-5,000697 contacts →

Exact match

“KUWAIT DRILLING CO.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Sep 22, 20261,001-5,000696 contacts →

Exact match

“Tucker Energy Services is a service oriented and customer focused organization providing high quality products and services to our clients in the energy industry.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchRøyneberg, United KingdomHQ recorded Sep 22, 2026501-1,000637 contacts →

Exact match

“At Interwell our mission is clear; we are committed to solving the toughest well challenges with unmatched expertise and dedication.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchKuala Lumpur, MalaysiaHQ recorded Sep 22, 2026501-1,000536 contacts →

Exact match

“Velesto Energy Berhad is a Malaysia-based multinational provider of services for the upstream oil and gas sector.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,000501 contacts →

Exact match

“Ranger is one of the largest providers of high specification mobile rig well services, cased hole wireline services, and ancillary services in the U.S.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchUlsteinvik, NorwayHQ recorded Sep 22, 2026501-1,000501 contacts →

Exact match

“Island Offshore - The Island Offshore Group is a leading provider of services to the offshore industry ranging from Platform Supply, Walk-to-work and Anchor Handling to Advanced…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026501-1,000499 contacts →

Exact match

“CETCO Energy Services (CETCO) specializes in treating complex fluids for offshore oil and gas operators.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchSugar Land, TX, United StatesHQ recorded Sep 22, 2026501-1,000438 contacts →

Exact match

“GR Energy Services is a completion solutions company committed to lowering oil and gas company operational risk and total cost of operations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchZelienople, PA, United StatesHQ recorded Sep 22, 2026501-1,000384 contacts →

Exact match

“Established in 2008, Deep Well Services (DWS) is an oilfield services company specializing in the most complex and difficult types of well work utilizing hydraulic completion…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026501-1,000379 contacts →

Exact match

“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 1,089 well intervention companies worldwide

See the full list, filter by size, metro and specialty, and access 12,557 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Well intervention companies worldwide at a glance

As of Sep 22, 2026
19.4%Verified-email coverage
59.3Average contacts per company
11-50Median size (employees)
5.1%Largest-city concentration · Houston
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
257
11-50
360
51-200
266
201-500
105
501-1,000
43
1,001-5,000
44
5,001-10,000
9
10001+
2

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 well intervention companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “well intervention 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. 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 12,557 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 22, 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.

Well intervention companies by location

7 lists · largest first

Every Well intervention companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “well intervention companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many well intervention companies are there worldwide?

RevenueBase identified 1,089 company matches for well intervention companies 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?

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

Which country has the most well intervention companies?

The United States leads with 268 companies, followed by Nigeria (82) and Canada (72). Every well intervention companies list by country and city is linked on this page.

Which city has the most well intervention companies?

Houston leads with 55 company records, followed by Calgary (31) and Port Harcourt (29).

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 12,557 professional contacts with verified work emails tracked across these 1,089 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 22, 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.