Company lists · Data refreshed September 2026

Top 25 Well completion equipment based in the United States

RevenueBase identified 279 company matches for well completion equipment associated with the United States as of September 2026 and tracks 19,142 professional contacts across them, including 5,178 with verified work emails. Houston is the largest hub.

This list covers company matches for well completion equipment associated with the United States, 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.

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
279Companies
19,142Contacts tracked
5,178Verified emails
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The 25 largest well completion equipment based in the United States

Ranked by team size
Top 25 of 279 company matches for well completion equipment based in the United States, 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, 202610001+2,317 contacts →

Exact match

“Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20265,001-10,0002,215 contacts →

Exact match

“Oil States International, Inc.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,0001,938 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 · Sep 22, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,0001,135 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 · Sep 22, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,000703 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 · Sep 22, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchNewcastle, OK, United StatesHQ recorded Sep 22, 2026501-1,000428 contacts →

Exact match

“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,000424 contacts →

Exact match

“Founded in 1947, Varel Energy Solutions is one of the world’s largest independent manufacturers and suppliers of downhole drilling and completions products to the energy sector.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026201-500301 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 · Sep 22, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026201-500285 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 · Sep 22, 2026 · View company records in RevenueBase
12Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 22, 2026501-1,000236 contacts →

Exact match

“One X: A Completions Partner, formerly Covenant Testing Technologies, is a leading provider of comprehensive completion services in the oil and gas industry.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026501-1,000212 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 · Sep 22, 2026 · View company records in RevenueBase
14Exact matchMillsap, TX, United StatesHQ recorded Sep 22, 2026201-500183 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchStafford, TX, United StatesHQ recorded Sep 22, 2026201-500178 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 · Sep 22, 2026 · View company records in RevenueBase
16Exact matchSugar Land, United StatesHQ recorded Sep 22, 2026201-500168 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchLafayette, LA, United StatesHQ recorded Sep 22, 2026201-500163 contacts →

Exact match

“FDF Energy Services has been providing world class customer service to the Oil and Gas Industry for over forty years.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026201-500150 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchLafayette, LA, United StatesHQ recorded Sep 22, 2026201-500140 contacts →

Exact match

“When it comes to bottomhole assemblies, there's only one rental tool name to know, Stabil Drill.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchCatoosa, OK, United StatesHQ recorded Sep 22, 2026201-500139 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 22, 202651-200138 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 · Sep 22, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026201-500117 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 · Sep 22, 2026 · View company records in RevenueBase
23Exact matchGodley, TX, United StatesHQ recorded Sep 22, 2026201-500115 contacts →

Exact match

“Owen Oil Tools, a division of Core Laboratories, is a global leader in downhole completion, perforating, and well abandonment solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchLongview, TX, United StatesHQ recorded Sep 22, 2026201-500105 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 · Sep 22, 2026 · View company records in RevenueBase
25Exact matchMoore, OK, United StatesHQ recorded Sep 22, 202651-20086 contacts →

Exact match

“Caliber Completion Services was created to deliver the most efficient, highest quality wireline services to help you maximize your well investment.”

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

Showing 25 of 279 well completion equipment based in the United States

See the full list, filter by size, metro and specialty, and access 5,178 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Well completion equipment based in the United States at a glance

As of Sep 22, 2026
27.1%Verified-email coverage
68.6Average contacts per company
11-50Median size (employees)
24.4%Largest-city concentration · Houston
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
83
11-50
92
51-200
56
201-500
29
501-1,000
8
1,001-5,000
9
5,001-10,000
1
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 279 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “well completion equipment” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 5,178 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.

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

How many well completion equipment are there based in the United States?

RevenueBase identified 279 company matches for well completion equipment associated with the United States 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?

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

Which city has the most well completion equipment?

Houston leads with 68 company records, followed by Midland (17) and Odessa (9).

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 5,178 professional contacts with verified work emails tracked across these 279 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.