Company lists · Data refreshed November 2026

Top 25 Completion test equipment suppliers worldwide

RevenueBase identified 761 company matches for completion test equipment suppliers worldwide as of November 2026 and tracks 19,260 professional contacts across them, including 3,773 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for completion test equipment suppliers 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 5, 2026. Country and city lists for completion test equipment suppliers 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 5, 2026 How this list was built
761Companies
19,260Contacts tracked
3,773Verified emails
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The 25 largest completion test equipment suppliers worldwide

Ranked by team size
Top 25 of 761 company matches for completion test equipment suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 Nov 5, 20265,001-10,0001,831 contacts →

Exact match

“Oil States International, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Nov 5, 20261,001-5,0001,792 contacts →

Exact match

“Every year, drilling teams make decisions worth millions of dollars on incomplete information.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
4Exact matchHouston, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
6Exact matchHouston, ND, United StatesHQ recorded Nov 5, 20261,001-5,000351 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026201-500295 contacts →

Exact match

“Greene’s Energy Group offers a range of support services and products to the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchEdmonton, AB, CanadaHQ recorded Nov 5, 202651-200294 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
10Exact matchTroisdorf, GermanyHQ recorded Nov 5, 2026201-500257 contacts →

Exact match

“Setting the Standard in Well Completion, Perforating, Seismic and Well Abandonment Technologies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026501-1,000234 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchUnited StatesHQ recorded Nov 5, 2026501-1,000210 contacts →

Exact match

“iTS, now part of the Parker Drilling (NYSE: PKD) family, started in 1986 in Aberdeen, Scotland as a provider of premium rental tools and well services to the international energy…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchMoscow, TX, RussiaHQ recorded Nov 5, 20261,001-5,000204 contacts →

Exact match

“NewTech Services (NewTech Services Holding Limited) is an international oilfield services company founded in 2009.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchCampo Grande, ArgentinaHQ recorded Nov 5, 2026201-500203 contacts →

Exact match

“RAKIDUAMN Is a company fouded by Aiassa Brothers Luis Aiassa an Electronical Engineer with mor than 20 years experenced in elctronic and telecomunication bussines Mariano Aiassa…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchStafford, United StatesHQ recorded Nov 5, 2026201-500190 contacts →

Exact match

“Reservoir Group is a world-class niche oilfield services company that has been addressing customer challenges for more than 70 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchEdmonton, CanadaHQ recorded Nov 5, 2026201-500188 contacts →

Exact match

“Techno Canada Inc.(TCI), a company incorporated in Alberta, provides a diverse range of high quality oil field services across the Oil & Gas upstream value chain to a global…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchCalgary, AB, CanadaHQ recorded Nov 5, 20261,001-5,000184 contacts →

Exact match

“Steelhaus boldly drives the market with innovative energy solutions; fusing practical, field proven experience, adaptable engineering, integrated manufacturing, and uncompromising…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchGreat Yarmouth, United KingdomHQ recorded Nov 5, 202651-200162 contacts →

Exact match

“ScanTech Offshore is the leading provider of air compressors, steam generators, heat exchangers, rig cooling deluge equipment and qualified personnel for the global well testing…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchRio De Janeiro, BrazilHQ recorded Nov 5, 2026201-500155 contacts →

Exact match

“A Oilequip Produtos e Serviços Ltda.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 5, 202651-200140 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSharjah, United Arab EmiratesHQ recorded Nov 5, 202651-200130 contacts →

Exact match

“OGI FZC is a Global services provider in Rentals / Fishing /Casing running / Manufacture & Repair / inspection and pressure control, Lifting and rigging safety equipment’s and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchLongview, TX, United StatesHQ recorded Nov 5, 2026201-500125 contacts →

Exact match

“Thomas Oilfield Services is committed to providing the best services and equipment in the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026201-500122 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchHouma, LA, United StatesHQ recorded Nov 5, 2026201-500121 contacts →

Exact match

“From our beginnings in 1978 as a small but unique oilfield rental tool company, Gulfstream has continually expanded and evolved to meet the needs of the ever-changing oil and gas…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchCorpus Christi, TX, United StatesHQ recorded Nov 5, 202651-200121 contacts →

Exact match

“Iron Horse Tools designs, tests, rents, and services pressure control equipment that enhances conventional and unconventional drilling performance.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 761 completion test equipment suppliers worldwide

See the full list, filter by size, metro and specialty, and access 3,773 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Completion test equipment suppliers worldwide at a glance

As of Nov 5, 2026
19.6%Verified-email coverage
25.3Average contacts per company
11-50Median size (employees)
5.4%Largest-city concentration · Houston
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
230
11-50
291
51-200
154
201-500
55
501-1,000
13
1,001-5,000
8
5,001-10,000
3

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 completion test equipment suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “completion test equipment suppliers” 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 3,773 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 5, 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.

Completion test equipment suppliers by location

5 lists · largest first

Every Completion test equipment suppliers 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 “completion test equipment suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many completion test equipment suppliers are there worldwide?

RevenueBase identified 761 company matches for completion test equipment suppliers 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?

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

Which country has the most completion test equipment suppliers?

The United States leads with 229 companies, followed by Canada (45) and the United Kingdom (38). Every completion test equipment suppliers list by country and city is linked on this page.

Which city has the most completion test equipment suppliers?

Houston leads with 41 company records, followed by Midland (16) and Dubai (13).

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 3,773 professional contacts with verified work emails tracked across these 761 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 5, 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.