Company lists · Data refreshed November 2026

Top 25 Well testing equipment providers worldwide

RevenueBase identified 2,407 company matches for well testing equipment providers worldwide as of November 2026 and tracks 67,070 professional contacts across them, including 14,039 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for well testing equipment providers 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 testing equipment providers 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
2,407Companies
67,070Contacts tracked
14,039Verified emails
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The 25 largest well testing equipment providers worldwide

Ranked by team size
Top 25 of 2,407 company matches for well testing equipment providers 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 matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0002,408 contacts →

Exact match

“OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0002,119 contacts →

Exact match

“For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBath, United KingdomHQ recorded Nov 6, 20261,001-5,0001,966 contacts →

Exact match

“Rotork is a FTSE-250 global leader in mission-critical flow control and instrumentation solutions, trusted by the world’s most essential industries - including oil & gas, water &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20265,001-10,0001,831 contacts →

Exact match

“Oil States International, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 2026n/a1,738 contacts →

Exact match

“Caterpillar Inc.(NYSE:CAT) has completed its acquisition of the Oil & Gas Division (“Weir Oil & Gas”) of the Weir Group PLC, a Scotland-based global engineering business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,223 contacts →

Exact match

“Stewart & Stevenson is a leading designer, manufacturer and provider of specialized equipment and aftermarket parts and service for the oil and gas and other industries that we…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAberdeen, United KingdomHQ recorded Nov 6, 2026501-1,000981 contacts →

Exact match

“Proserv is the controls technology partner powering progress across the global energy sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 20261,001-5,000972 contacts →

Exact match

“Your "FULL-LIFECYCLE" Partner for Sustainable Flow Technology Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHumble, TX, United StatesHQ recorded Nov 6, 20261,001-5,000912 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,000826 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMuscat, OmanHQ recorded Nov 6, 20261,001-5,000793 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Nov 6, 20261,001-5,000750 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAlice, TX, United StatesHQ recorded Nov 6, 20261,001-5,000673 contacts →

Exact match

“FESCO is a diversified energy services company providing quality equipment and experienced personnel since 1949.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHouston, United StatesHQ recorded Nov 6, 20261,001-5,000649 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHouston, United StatesHQ recorded Nov 6, 2026501-1,000565 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchEast Ahmadi, KuwaitHQ recorded Nov 6, 2026501-1,000528 contacts →

Exact match

“With thirty-five years of excellence in providing pioneering, world-class solutions and services, Safwan Petroleum Technologies Company (Spetco International Petroleum Company) is…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchJabal Ali, United Arab EmiratesHQ recorded Nov 6, 2026501-1,000492 contacts →

Exact match

“Incorporated in the year Petronash is a global leader in the manufacture of engineered packaged solutions for the Oil & Gas Industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMumbai, IndiaHQ recorded Nov 6, 2026501-1,000457 contacts →

Exact match

“OFI-was founded in 1992 as an OEM for Mud Logging units / Mud logging services provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchHouston, ND, United StatesHQ recorded Nov 6, 20261,001-5,000351 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500311 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDehradun, IndiaHQ recorded Nov 6, 2026201-500310 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 2026501-1,000298 contacts →

Exact match

“A Legacy of Excellence, A Future of Innovation: Founded in 1960 in Delhi by the visionary Shri.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500296 contacts →

Exact match

“Since 2003, Premium Oilfield Technologies has been supplying high quality products to the oil and gas industry.”

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

Showing 25 of 2,407 well testing equipment providers worldwide

See the full list, filter by size, metro and specialty, and access 14,039 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Well testing equipment providers worldwide at a glance

As of Nov 6, 2026
20.9%Verified-email coverage
27.9Average contacts per company
11-50Median size (employees)
5.2%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
717
11-50
887
51-200
514
201-500
172
501-1,000
48
1,001-5,000
42
5,001-10,000
8
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 testing equipment providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “well testing equipment providers” 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 14,039 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 testing equipment providers by location

20 lists · largest first

Every Well testing equipment providers 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 testing equipment providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many well testing equipment providers are there worldwide?

RevenueBase identified 2,407 company matches for well testing equipment providers 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?

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

Which country has the most well testing equipment providers?

The United States leads with 765 companies, followed by Canada (161) and the United Arab Emirates (107). Every well testing equipment providers list by country and city is linked on this page.

Which city has the most well testing equipment providers?

Houston leads with 124 company records, followed by Calgary (45) and Midland (44).

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 14,039 professional contacts with verified work emails tracked across these 2,407 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.

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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.