Company lists · Data refreshed September 2026
Top 25 Wellbore cleaning services worldwide
RevenueBase identified 566 wellbore cleaning services worldwide as of September 2026 and tracks 15,521 professional contacts across them, including 2,775 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers wellbore cleaning 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 wellbore cleaning 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 wellbore cleaning services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,308 contacts → | ||||
Indirect evidence “Training and Development Solutions” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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. | |||||
| 3 | 668 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 637 contacts → | ||||
Indirect evidence “At Interwell our mission is clear; we are committed to solving the toughest well challenges with unmatched expertise and dedication.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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. | |||||
| 6 | 428 contacts → | ||||
Indirect evidence “Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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. | |||||
| 8 | 278 contacts → | ||||
Indirect evidence “China National Logging Corporation (CNLC), a subsidiary of CNPC Services & Engineering Ltd, solely on behalf of CNPC providing well bore technical services in international…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 239 contacts → | ||||
Indirect evidence “Integrated Solution Partner” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | 201 contacts → | ||||
Indirect evidence “Bond Energy Solutions is a regional leading oilfield services company, primarily focused on well testing and sub-surface (i.e, wireline and slickline) operations, both for…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 186 contacts → | ||||
Indirect evidence “SeaLand Engineering & Well Services is established through multinational investment.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 171 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 151 contacts → | ||||
Indirect evidence “Now hiring in all 8 districts.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 146 contacts → | ||||
Indirect evidence “As Canada’s largest well servicing contractor, Precision Well Servicing (PWS) provides a full slate of services including completions, workovers, abandonments, well maintenance…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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. | |||||
| 18 | 105 contacts → | ||||
Indirect evidence “JayBee offers integrated / turnkey oilfield solutions starting from API, Drilling, Cementing, Mud Logging, Mud Engineering, Directional Drilling, Testing, workover as well as well…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 103 contacts → | ||||
Indirect evidence “TCO is a Norwegian founded global oilfield service company, which specialises in the design, manufacture and installation of glass barrier plugs, chemical injection systems and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 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. | |||||
| 21 | 94 contacts → | ||||
Indirect evidence “Pathfinder provides Drill Pipe & BHA Component In-field Inspection, In-field Refacing, MPI, Hardbanding, Casing Running, Casing Inspection, Tubing Inspection, Anchor Testing…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 94 contacts → | ||||
Indirect evidence “BOP hydrostatic testing Hydrovac Services Pressure washing Roustabouts Spools and DSA rentals” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 92 contacts → | ||||
Indirect evidence “American Well Services is located in Midland, TX and provides well services rigs for the purpose of workover or completion operations.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 87 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 86 contacts → | ||||
Indirect evidence “GEOPETSA S.A.” 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: wellbore cleaning 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 wellbore cleaning services.
- Partial evidence
- Its own public description names part of wellbore cleaning services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name wellbore cleaning 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 566 wellbore cleaning services worldwide
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,775 reachable decision-makers.
Free signup · no credit card
Wellbore cleaning 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 wellbore cleaning 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 wellbore cleaning services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “wellbore cleaning 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 wellbore cleaning 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 wellbore cleaning 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, 2,775 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.
Wellbore cleaning services by location
2 lists · largest firstEvery Wellbore cleaning 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 wellbore cleaning 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 wellbore cleaning services are there worldwide?
RevenueBase identified 566 wellbore cleaning 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?
PMI, headquartered in Irvine, tops this list with the largest team on record.
Which country has the most wellbore cleaning services?
The United States leads with 177 companies, followed by Canada (52). Every wellbore cleaning services list by country and city is linked on this page.
Which city has the most wellbore cleaning services?
Houston leads with 16 headquartered companies, followed by Midland (16) and Port Harcourt (13).
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 2,775 verified decision-maker contacts tracked across these 566 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.
Ready to reach these companies? Verified emails and direct dials for all 566 wellbore cleaning services worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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.