Company lists · Data refreshed September 2026
Top 25 Wellhead repair services worldwide
RevenueBase identified 721 wellhead repair services worldwide as of September 2026 and tracks 22,223 professional contacts across them, including 4,993 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers wellhead repair services 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 22, 2026. Country and city lists for wellhead repair services 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.
The 25 largest wellhead repair services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,064 contacts → | ||||
Indirect evidence “Somos la mayor prestadora de servicios de perforación de la Argentina y somos líderes en la prestación de servicios asociados al mantenimiento y optimización de los pozos de…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,843 contacts → | ||||
Indirect evidence “Dietsmann is the leading independent specialist in Operation & Maintenance services for continuous-production plant in the oil & gas and power industries with over 40 years of…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 744 contacts → | ||||
Indirect 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. | |||||
| 4 | 718 contacts → | ||||
Indirect evidence “HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 703 contacts → | ||||
Partial evidence “Cactus designs, manufactures, sells and rents a range of highly-engineered wellheads and pressure control equipment.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 697 contacts → | ||||
Indirect evidence “KUWAIT DRILLING CO.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 665 contacts → | ||||
Partial 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 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 620 contacts → | ||||
Indirect evidence “Founded in Edmonton, Alberta in 1962, Stream-Flo Industries Ltd.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 501 contacts → | ||||
Indirect evidence “Ranger is one of the largest providers of high specification mobile rig well services, cased hole wireline services, and ancillary services in the U.S.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 451 contacts → | ||||
Partial evidence “NTS Amega Global is a market leader in repair, rental and manufacturing solutions supporting energy markets around the world.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 318 contacts → | ||||
Indirect 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 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 253 contacts → | ||||
Partial evidence “Q2 ALS is a fully integrated company with a network of 50+repair and service locations situated across Canada and the USA.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 225 contacts → | ||||
Indirect evidence “The WellGear Group provides a full range of high-quality services for both Onshore & Offshore to the international Oil & Gas, Petrochemical and Geothermal industries.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 220 contacts → | ||||
Indirect evidence “Special Oilfield Services (SOS) was established on the 10th of March in 1986 as a Joint Venture between Mohsin Haider Darwish LLC (MHD), one of the largest and oldest business…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 218 contacts → | ||||
Indirect evidence “OCS Group Singapore with its main office in Singapore was founded in 1998, initially under the name Rig International, in 2001 due to various additional services OCS rebranded to…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 212 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 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 176 contacts → | ||||
Indirect evidence “Prometim operates in diverse areas of Maintenance, specializing in the Oil & Gas and General Industry.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 175 contacts → | ||||
Indirect evidence “OMS Oilfield Services is leading oilfield services and manufacturing company.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 171 contacts → | ||||
Indirect evidence “In 2009, the company was incorporated in the Kingdom of Bahrain as MTQ Oilfield Services W.L.L (MTQOS) and became a wholly-owned subsidiary of MTQ Group, which is listed on the…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 165 contacts → | ||||
Indirect evidence “Windlass manufactures, supplies and supports a wide range of API certified drilling equipment.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 163 contacts → | ||||
Indirect evidence “FDF Energy Services has been providing world class customer service to the Oil and Gas Industry for over forty years.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 149 contacts → | ||||
Partial evidence “Borets is one of the leading manufacturers of oilfield equipment in the world offering a complete array of oil recovery products and services in the operation, repair, and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 127 contacts → | ||||
Indirect evidence “A Oilequip Produtos e Serviços Ltda.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 125 contacts → | ||||
Indirect evidence “Established in October 2008, PT.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 117 contacts → | ||||
Partial evidence “NXL manufactures, sells, recertifies, repairs, and rents coiled tubing and wireline pressure control equipment, supported by 24/7 customer service and a dedicated commitment to…” 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: wellhead repair 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 wellhead repair services.
- Partial evidence
- Its own public description names part of wellhead repair services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name wellhead repair 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 721 wellhead repair services worldwide
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Wellhead repair services worldwide at a glance
As of Sep 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 wellhead repair 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.
- Coverage
- Every country. Country and city lists for wellhead repair services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “wellhead repair 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 wellhead repair 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 wellhead repair services, 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, 4,993 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.
Wellhead repair services by location
3 lists · largest firstEvery Wellhead repair services 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 wellhead repair 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 wellhead repair services are there worldwide?
RevenueBase identified 721 wellhead repair services 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?
SAN Antonio Internacional, headquartered in Worldwide, tops this list with the largest team on record.
Which country has the most wellhead repair services?
The United States leads with 232 companies, followed by Canada (39) and the United Kingdom (27). Every wellhead repair services list by country and city is linked on this page.
Which city has the most wellhead repair services?
Houston leads with 36 headquartered companies, followed by Midland (13) and Odessa (12).
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 4,993 verified decision-maker contacts tracked across these 721 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.