Company lists · Data refreshed September 2026

Top 25 Well intervention equipment manufacturers worldwide

RevenueBase identified 460 well intervention equipment manufacturers worldwide as of September 2026 and tracks 15,193 professional contacts across them, including 4,803 with verified work emails and 0 with mobile numbers. The United States is the largest market and Houston the largest hub.

This list covers well intervention equipment manufacturers worldwide, 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 19, 2026. Country and city lists for well intervention equipment manufacturers follow the table.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
460Companies
15,193Contacts tracked
4,803Verified emails
0Mobile numbers
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The 25 largest well intervention equipment manufacturers worldwide

Ranked by team size
Top 25 of 460 well intervention equipment manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to well intervention equipment manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceHouston, TX, United StatesHQ checked Sep 19, 20261,001-5,000744 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
2Strong evidenceHouston, TX, United StatesHQ checked Sep 19, 20261,001-5,000703 contacts →

Strong evidence

“Cactus designs, manufactures, sells and rents a range of highly-engineered wellheads and pressure control equipment.”

Source: RevenueBase Database · checked Sep 19, 2026
3Strong evidenceUsa, United KingdomHQ checked Sep 19, 2026501-1,000665 contacts →

Strong evidence

“Delta Corporation specializes in the design and manufacture of API-compliant wellhead equipment and pressure control systems for both onshore and offshore oil and gas operations.”

Source: RevenueBase Database · checked Sep 19, 2026
4Strong evidenceHouston, TX, United StatesHQ checked Sep 19, 20261,001-5,000635 contacts →

Strong evidence

“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceEdmonton, AB, CanadaHQ checked Sep 19, 20261,001-5,000620 contacts →

Indirect evidence

“Founded in Edmonton, Alberta in 1962, Stream-Flo Industries Ltd.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceDubai, United Arab EmiratesHQ checked Sep 19, 20265,001-10,000582 contacts →

Indirect evidence

“Novomet is a dynamic and continually developing innovative company.”

Source: RevenueBase Database · checked Sep 19, 2026
7Strong evidenceAbu Dhabi, United Arab EmiratesHQ checked Sep 19, 2026201-500318 contacts →

Strong evidence

“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.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceHouston, TX, United StatesHQ checked Sep 19, 2026201-500301 contacts →

Partial evidence

“Since our founding in 2006, NCS Multistage has grown to be a leading provider of engineered products and support services for oil and natural gas wells around the world.”

Source: RevenueBase Database · checked Sep 19, 2026
9Strong evidenceDehradun, IndiaHQ checked Sep 19, 2026201-500299 contacts →

Strong evidence

“Sara Sae Private Limited manufactures a diverse range of oilfield equipments thru its state of art manufacturing facilities located in Dehradun, India.”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceEdmonton, AB, CanadaHQ checked Sep 19, 202651-200279 contacts →

Partial evidence

“We deliver reliable, high-performance drilling & completion equipment, expert engineering support & responsive service to customers in 100+ countries.”

Source: RevenueBase Database · checked Sep 19, 2026
11Partial evidenceHouston, TX, United StatesHQ checked Sep 19, 2026501-1,000212 contacts →

Partial evidence

“A leader in wellhead, pressure control, and production tree (Christmas Tree) equipment and service solutions, Vault PC also supports a top-tier completions division, supporting…”

Source: RevenueBase Database · checked Sep 19, 2026
12Strong evidenceThe Woodlands, TX, United StatesHQ checked Sep 19, 202651-200200 contacts →

Strong evidence

Well intervention operations range from basic applications in the well to complex downhole challenges – and each require a custom designed solution.”

Source: RevenueBase Database · checked Sep 19, 2026
13Partial evidenceAlwar, IndiaHQ checked Sep 19, 2026201-500185 contacts →

Partial evidence

“We would like to introduce WELLCARE OIL TOOLS PRIVATE LIMITED, an established manufacturer and supplier of a comprehensive range of Quality Downhole Drilling and Completion…”

Source: RevenueBase Database · checked Sep 19, 2026
14Partial evidenceMillsap, TX, United StatesHQ checked Sep 19, 2026201-500183 contacts →

Partial evidence

“GEODynamics creates and delivers downhole solutions that enable unsurpassed oil and gas well economics, performance, and lifespan.”

Source: RevenueBase Database · checked Sep 19, 2026
15Strong evidenceDubai, United Arab EmiratesHQ checked Sep 19, 202651-200172 contacts →

Strong evidence

“Seamless Integration Magnum Technology Center designs and manufactures complete equipment packages for Well Testing, Early Production Facilities, Underbalanced Drilling and…”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceEdmonton, CanadaHQ checked Sep 19, 2026201-500171 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceSugar Land, United StatesHQ checked Sep 19, 2026201-500168 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
18Strong evidenceHouston, TX, United StatesHQ checked Sep 19, 202651-200166 contacts →

Strong evidence

“Deepsea Technologies, Inc.(DTI) Engineers and Manufactures a wide range of products and equipment used in subsea oil & gas field development projects.”

Source: RevenueBase Database · checked Sep 19, 2026
19Strong evidenceTomball, TX, United StatesHQ checked Sep 19, 2026201-500165 contacts →

Strong evidence

“Windlass manufactures, supplies and supports a wide range of API certified drilling equipment.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceOklahoma City, OK, United StatesHQ checked Sep 19, 2026201-500154 contacts →

Indirect evidence

“Downing is an American oilfield solutions provider specializing in pressure-control technologies.”

Source: RevenueBase Database · checked Sep 19, 2026
21Strong evidenceHouston, TX, United StatesHQ checked Sep 19, 2026201-500150 contacts →

Strong evidence

“The WellBoss Company, wholly owned by SBO AG, designs and manufactures the industry's most reliable well completion technology, delivering unrivaled, data-driven performance and…”

Source: RevenueBase Database · checked Sep 19, 2026
22Partial evidenceCatoosa, OK, United StatesHQ checked Sep 19, 2026201-500139 contacts →

Partial evidence

“SERVA develops specialized gas and oilfield equipment to offer reliable, safe and efficient products for global energy development.”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidenceHouston, TX, United StatesHQ checked Sep 19, 202651-200138 contacts →

Partial evidence

“Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceNoida, IndiaHQ checked Sep 19, 2026501-1,000132 contacts →

Partial evidence

“United Drilling Tools Ltd.(UDTL) is a leading manufacturer dedicated to Oil & Gas Industry for the below- •Wireline Winches •Gas Lift Valves •Side Pocket Mandrels •Conventional…”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceHouston, TX, United StatesHQ checked Sep 19, 2026201-500117 contacts →

Indirect evidence

“Blackhawk Specialty Tools provides oil and gas operators with engineered solutions that improve performance and efficiency.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 460 well intervention equipment manufacturers worldwide

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Well intervention equipment manufacturers worldwide at a glance

As of Sep 19, 2026
31.6%Verified-email coverage
33.0Average contacts per company
11-50Median size (employees)
15.2%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
118
11-50
179
51-200
112
201-500
35
501-1,000
6
1,001-5,000
4
5,001-10,000
2
10001+
1

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 well intervention equipment manufacturers, 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.
Coverage
6 countries, largest first: the United States, Canada, India, the United Kingdom, the United Arab Emirates, Norway. Country and city lists for well intervention equipment manufacturers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “well intervention equipment manufacturers”. 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 well intervention equipment manufacturers), 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 well intervention equipment manufacturers, and records with no verified work email.
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, 4,803 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 19, 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.

Well intervention equipment manufacturers by location

6 lists · largest first

Every Well intervention equipment manufacturers 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 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 well intervention equipment manufacturers, 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 well intervention equipment manufacturers are there worldwide?

RevenueBase identified 460 well intervention equipment manufacturers worldwide 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?

WIS Wellbore Integrity Solutions, headquartered in Houston, tops this list with the largest team on record.

Which country has the most well intervention equipment manufacturers?

The United States leads with 242 companies, followed by Canada (69) and India (45). Every well intervention equipment manufacturers list by country and city is linked on this page.

Which city has the most well intervention equipment manufacturers?

Houston leads with 70 headquartered companies, followed by Calgary (29) and Aberdeen (18).

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 4,803 verified decision-maker contacts tracked across these 460 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 19, 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.