Company lists · Data refreshed September 2026
Top 25 Well intervention services based in the United States
RevenueBase identified 76 well intervention services headquartered in the United States as of September 2026 and tracks 4,018 professional contacts across them, including 1,465 with verified work emails. Houston is the largest hub.
This list covers well intervention services headquartered in the United States, 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 22, 2026.
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.
The 25 largest well intervention services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 744 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 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 712 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 438 contacts → | ||||
Indirect evidence “GR Energy Services is a completion solutions company committed to lowering oil and gas company operational risk and total cost of operations.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 236 contacts → | ||||
Indirect evidence “One X: A Completions Partner, formerly Covenant Testing Technologies, is a leading provider of comprehensive completion services in the oil and gas industry.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 200 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 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 183 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 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 120 contacts → | ||||
Indirect evidence “Since 2001, Quality Energy Services has been an industry leader in providing total-solution services to energy majors in the gulf of Mexico and to future ventures in the world…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 95 contacts → | ||||
Indirect evidence “Workover/Drilling Rigs • E-Line • Slickline • Pressure Pumping • P&A • Hot Oil • Tubing Testers• Anchor Setting •Swabbing • Pipe Recovery” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 82 contacts → | ||||
Indirect evidence “Production Solutions is majority owned and managed by the Mitchell Group in Dallas, Texas.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 74 contacts → | ||||
Indirect evidence “Flying A Pumping Services LLC is a leader in the oil and gas sector, deeply rooted in its commitment to quality service and customer satisfaction.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 55 contacts → | ||||
Partial evidence “International Snubbing Services is the leading global provider of Hydraulic Workover, Snubbing, Plug & Abandonment and Well Control Services.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 54 contacts → | ||||
Partial evidence “Blue Ocean Technologies provides riserless subsea intervention services to meet complex subsea challenges.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 52 contacts → | ||||
Indirect evidence “Superior Energy Completion Services has the technology, resources and experience to deliver effective sand control and stimulation services in any downhole condition.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 48 contacts → | ||||
Partial evidence “Bluehook Tool Company LLC is a leading provider of fishing and wellbore intervention services in Texas and Louisiana; serving both land based and offshore operations.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 46 contacts → | ||||
Indirect evidence “DELSCO NORTHWEST INC is a company based out of 10169 S.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 41 contacts → | ||||
Strong evidence “Since its inception in 1997, Thru-Tubing Systems (TTS) has developed many innovative applications designed for interventions in slim hole (monobore) wells and through tubing…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 39 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 38 contacts → | ||||
Indirect evidence “At Wellmatics, we provide highly-efficient, reliable, and cost-effective customized solutions to enhance completion operations at the wellsite and improve customers’ bottom line.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 26 contacts → | ||||
Indirect evidence “Dynasty is the Global leader in specialized Fishing and Plug and Abandonment (P&A) operations.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 22 contacts → | ||||
Indirect evidence “Led by experienced managers, employees and investors, Tier 1 Completion Solutions Inc.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 19 contacts → | ||||
Strong evidence “SBS Energy Services is a upstream well intervention company.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Indirect evidence “We bring in-house developed proprietary and patented multi-string section milling tools, cleanout tools and services to the perpetual challenge of managing debris in the wellbore.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 13 contacts → | ||||
Strong evidence “Gunnar Energy Services provides well control, well intervention, and complex completions services to the energy sector.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 13 contacts → | ||||
Indirect evidence “Established 2018.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 12 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: well intervention services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names well intervention services.
- Partial evidence
- Its own public description names part of well intervention services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name well intervention services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 76 well intervention services based in the United States
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Well intervention services based in the United States at a glance
As of Sep 22, 2026Companies by employee count
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 76 companies.
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 services, 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.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “well intervention services”. 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 services), 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 services, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- 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, 1,465 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 22, 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.
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 services, 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 services are there based in the United States?
RevenueBase identified 76 well intervention services headquartered in the United States 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 city has the most well intervention services?
Houston leads with 15 headquartered companies, followed by Lafayette (5) and Odessa (4).
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 1,465 verified decision-maker contacts tracked across these 76 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 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 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.
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