Company lists · Data refreshed November 2026

Top 25 Well integrity companies worldwide

RevenueBase identified 1,121 company matches for well integrity companies worldwide as of November 2026 and tracks 40,804 professional contacts across them, including 9,448 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for well integrity 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 November 6, 2026. Country and city lists for well integrity 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 Nov 6, 2026 How this list was built
1,121Companies
40,804Contacts tracked
9,448Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest well integrity companies worldwide

Ranked by team size
Top 25 of 1,121 company matches for well integrity companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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, United StatesHQ recorded Nov 6, 20265,001-10,0006,924 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMuscat, OmanHQ recorded Nov 6, 20261,001-5,0001,315 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0001,126 contacts →

Exact match

“Emdad LLC is a leading UAE-based service provider in the Oil & Gas sector, delivering integrated solutions that support upstream and downstream operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, AL, United StatesHQ recorded Nov 6, 20261,001-5,000798 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRøyneberg, NorwayHQ recorded Nov 6, 2026501-1,000659 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBergen, NorwayHQ recorded Nov 6, 20265,001-10,000656 contacts →

Exact match

“Oceaneering Asset Integrity is one of the largest providers of Integrity and Inspection Services in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026501-1,000603 contacts →

Exact match

“ABOUT US We are a multinational inspection, repair and maintenance company that operates in the oil, gas and energy sector with Efficiency, Safety and Sustainability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAberdeen, United KingdomHQ recorded Nov 6, 2026501-1,000589 contacts →

Exact match

“CAN Group is an established global provider of life of asset integrity services with our business steams CAN, ENGTEQ and VENTEQ providing innovative Engineering, Integrity…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026201-500570 contacts →

Exact match

“Velosi has 44+ years of experience helping clients by providing a one-stop center for complete Asset Integrity Management, HSE, and Engineering Services to leading oil and gas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-500528 contacts →

Exact match

“At OES we believe in delivering a service that maintain our clients assets, improves efficiency and protects both people and equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchZelienople, TX, United StatesHQ recorded Nov 6, 2026501-1,000436 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCairo, EgyptHQ recorded Nov 6, 2026501-1,000394 contacts →

Exact match

“MCS offers turnkey services in offshore inspection and asset integrity with its own designed and developed software products which digitally transform and improve inspection and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchStafford, CO, United StatesHQ recorded Nov 6, 2026201-500388 contacts →

Exact match

“Quest Integrity is a global leader in the development and delivery of asset integrity and reliability management services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000384 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchIndiaHQ recorded Nov 6, 2026201-500347 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026201-500319 contacts →

Exact match

“The needs of the modern-day oil industry dictate that a professional and systematic approach is adopted when planning and carrying out well intervention operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchJumeirah Lakes Towers, United Arab EmiratesHQ recorded Nov 6, 2026201-500287 contacts →

Exact match

“PIPECARE Group is a global leader in in-line inspection and integrity services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000287 contacts →

Exact match

“China National Logging Corporation (CNLC), a subsidiary of CNPC Services & Engineering Ltd, solely on behalf of CNPC providing well bore technical services in international…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchKl, MalaysiaHQ recorded Nov 6, 2026201-500271 contacts →

Exact match

“Integrated Solution Partner”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOklahoma City, TX, United StatesHQ recorded Nov 6, 2026201-500259 contacts →

Exact match

“Setting the Standard for Premier Inspection Services in the Oil & Gas Industry through our Dedication to Tradition / Talent / Technology / Teamwork TJ Inspection provides the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMuscat, OmanHQ recorded Nov 6, 2026501-1,000235 contacts →

Exact match

“Special Oilfield Services (SOS) was established on the 10th of March in 1986 as a Joint Venture between Mohsin Haider Darwish LLC (MHD), one of the largest and oldest business…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSingaporeHQ recorded Nov 6, 202651-200233 contacts →

Exact match

“OCS Group Singapore with its main office in Singapore was founded in 1998, initially under the name Rig International, in 2001 due to various additional services OCS rebranded to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNaxxar, MaltaHQ recorded Nov 6, 2026201-500222 contacts →

Exact match

“EM & I is an established world leader in delivering asset integrity services to the oil, gas and renewable energy industries with special focus on high value floating offshore and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBogotá D.c., ColombiaHQ recorded Nov 6, 2026501-1,000216 contacts →

Exact match

“Bond Energy Solutions is a regional leading oilfield services company, primarily focused on well testing and sub-surface (i.e, wireline and slickline) operations, both for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAberdeen, United KingdomHQ recorded Nov 6, 2026201-500202 contacts →

Exact match

“The global innovation leader enabling efficient and sustainable well lifecycle solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,121 well integrity companies worldwide

See the full list, filter by size, metro and specialty, and access 9,448 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Well integrity companies worldwide at a glance

As of Nov 6, 2026
23.2%Verified-email coverage
36.4Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
343
11-50
413
51-200
213
201-500
98
501-1,000
27
1,001-5,000
16
5,001-10,000
5
10001+
1

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 integrity companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “well integrity 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 9,448 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 November 6, 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 integrity companies by location

9 lists · largest first

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

How many well integrity companies are there worldwide?

RevenueBase identified 1,121 company matches for well integrity companies worldwide as of November 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 integrity companies?

The United States leads with 245 companies, followed by the United Kingdom (94) and Canada (90). Every well integrity companies list by country and city is linked on this page.

Which city has the most well integrity companies?

Houston leads with 44 company records, followed by Calgary (36) and Aberdeen (34).

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 9,448 professional contacts with verified work emails tracked across these 1,121 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,121 well integrity companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.