Company lists · Data refreshed November 2026
Top 25 Well drilling and maintenance services worldwide
RevenueBase identified 2,233 company matches for well drilling and maintenance services worldwide as of November 2026 and tracks 35,059 professional contacts across them, including 5,449 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for well drilling and maintenance services 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 6, 2026. Country and city lists for well drilling and maintenance services 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.
The 25 largest well drilling and maintenance services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,552 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 2,359 contacts → | ||||
Exact match “Ensign Energy Services Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 2,324 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,344 contacts → | ||||
Exact match “PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,315 contacts → | ||||
Exact match “Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,185 contacts → | ||||
Exact match “HMH is a premier drilling solutions provider - delivering a broad portfolio of products and services that are designed to be the safest and most efficient in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 759 contacts → | ||||
Exact match “KUWAIT DRILLING CO.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 690 contacts → | ||||
Exact match “Geotec S.A, empresa de perforación perteneciente a Boyles Bros, fue fundado en 1963 posicionándose como una empresa líder en la industria minera peruana.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 491 contacts → | ||||
Exact match “Foraco International SA (TSX: FAR) is a leading global mineral drilling services company that provides a comprehensive and reliable service offering in mining and water projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 364 contacts → | ||||
Exact match “Welcome to Lucas!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 326 contacts → | ||||
Exact match “FTE Drilling (Forages Technic-Eau Inc.) is one of the most specialized companies in the drilling industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 304 contacts → | ||||
Exact match “LEAM Drilling Systems, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 279 contacts → | ||||
Exact match “Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 266 contacts → | ||||
Exact match “GDMC was established in 1982 as a wholly owned Private Kuwaiti Company under the umbrella of Al-Khalid Group, to service the Petroleum and Water Well sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 233 contacts → | ||||
Exact match “En Prodrilling contamos con más de 12 años de experiencia entregando servicios de sondaje de alta calidad para la gran minería en Chile, con los más altos estándares técnicos y de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 227 contacts → | ||||
Exact match “BORDRILL Drilling Contractor & Trade Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 216 contacts → | ||||
Exact match “Empresa canadiense con operaciones en Chile y el mundo, de larga trayectoria y experiencia en servicios especializados de perforación, tales como: 1) Perforación de Superficie-…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 208 contacts → | ||||
Exact match “REMICSA DRILLING SA It is a company with 100% Peruvian capital created in 1996, leader in the market of diamond drilling in Peru and with presence abroad since 2003 (Zambia…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 208 contacts → | ||||
Exact match “A DrillGeo, nos seus mais de 25 anos de experiência no mercado de sondagem, sempre buscou a máxima qualidade e eficiência, trabalhando de forma sustentável e respeito ao meio…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 177 contacts → | ||||
Exact match “Gulf Drilling (GD) is a fully owned subsidiary of MB Petroleum Services, a 100% Omani company that provides advanced drilling solutions to the oil and gas industry, formed with…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 176 contacts → | ||||
Exact match “Bore and Bore Private Limited is one of the largest emerging firms in the drilling industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 174 contacts → | ||||
Exact match “Usamos, mantenemos y reconstruimos perforadoras de superficie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 159 contacts → | ||||
Exact match “With more than 45 years of experience, Quest Exploration Drilling has established itself as an industry leader in providing drilling services to the resources and energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 109 contacts → | ||||
Exact match “Hubbard Perforaciones (Hubbard Drilling) represents the determination and experience of more than 25 years of achievement in the drilling industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 102 contacts → | ||||
Exact match “Ofrecemos servicios petroleros de manera eficiente, segura, innovadora, confiable y con el mejor talento humano.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “well drilling and maintenance services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 2,233 well drilling and maintenance services worldwide
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Well drilling and maintenance services worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 well drilling and maintenance services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “well drilling and maintenance services” 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 5,449 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 6, 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.
Well drilling and maintenance services by location
9 lists · largest firstEvery Well drilling and maintenance services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Well drilling and maintenance services based in the United States782
- Well drilling and maintenance services based in Brazil144
- Well drilling and maintenance services based in Canada102
- Well drilling and maintenance services based in Australia62
- Well drilling and maintenance services based in the United Kingdom54
- Well drilling and maintenance services based in Germany52
- Well drilling and maintenance services based in Mexico46
- Well drilling and maintenance services based in Chile37
- Well drilling and maintenance services based in France35
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 drilling and maintenance services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many well drilling and maintenance services are there worldwide?
RevenueBase identified 2,233 company matches for well drilling and maintenance services 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?
Patterson-Uti tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most well drilling and maintenance services?
The United States leads with 782 companies, followed by Brazil (144) and Canada (102). Every well drilling and maintenance services list by country and city is linked on this page.
Which city has the most well drilling and maintenance services?
Houston leads with 16 company records, followed by Ankara (15) and Midland (14).
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 5,449 professional contacts with verified work emails tracked across these 2,233 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,233 well drilling and maintenance services worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 well drilling and maintenance services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,233 matching company records for well drilling and maintenance services worldwide, with 35,059 tracked contacts and 5,449 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 well drilling and maintenance services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Patterson-Utipatenergy.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,552 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ensign Energy Servicesensignenergy.comHQ: Calgary, AB, CanadaReported employees: 1,001-5,000 | Calgary, AB, Canada | 1,001-5,000 | Exact match | 2,359 contacts → |
“Ensign Energy Services Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  SAN Antonio Internacionalsanantoniointernacional.comHQ: Comuna 1, ArgentinaReported employees: 1,001-5,000 | Comuna 1, Argentina | 1,001-5,000 | Exact match | 2,324 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  PT Pertamina Drilling Services Indonesiapdsi.pertamina.comHQ: South Jakarta, IndonesiaReported employees: 1,001-5,000 | South Jakarta, Indonesia | 1,001-5,000 | Exact match | 1,344 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Abraj Energy Servicesabrajenergy.comHQ: Muscat, OmanReported employees: 1,001-5,000 | Muscat, Oman | 1,001-5,000 | Exact match | 1,315 contacts → |
“Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  HMHhmhw.comHQ: Amsterdam, NetherlandsReported employees: 1,001-5,000 | Amsterdam, Netherlands | 1,001-5,000 | Exact match | 1,185 contacts → |
“HMH is a premier drilling solutions provider - delivering a broad portfolio of products and services that are designed to be the safest and most efficient in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Kuwait Drilling Co. K.S.C.Ckdckwt.comHQ: East Ahmadi, KuwaitReported employees: 1,001-5,000 | East Ahmadi, Kuwait | 1,001-5,000 | Exact match | 759 contacts → |
“KUWAIT DRILLING CO.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Geotecgeotec.com.peHQ: Ate, BelgiumReported employees: 1,001-5,000 | Ate, Belgium | 1,001-5,000 | Exact match | 690 contacts → |
“Geotec S.A, empresa de perforación perteneciente a Boyles Bros, fue fundado en 1963 posicionándose como una empresa líder en la industria minera peruana.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Foraco International SAforaco.comHQ: Marseille, FranceReported employees: 1,001-5,000 | Marseille, France | 1,001-5,000 | Exact match | 491 contacts → |
“Foraco International SA (TSX: FAR) is a leading global mineral drilling services company that provides a comprehensive and reliable service offering in mining and water projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  LUCASlucas.com.auHQ: Brisbane, AustraliaReported employees: 201-500 | Brisbane, Australia | 201-500 | Exact match | 364 contacts → |
“Welcome to Lucas!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Forage FTE Drillingforagefte.comHQ: Sherbrooke, CanadaReported employees: 201-500 | Sherbrooke, Canada | 201-500 | Exact match | 326 contacts → |
“FTE Drilling (Forages Technic-Eau Inc.) is one of the most specialized companies in the drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Leam Drilling Servicesleam.netHQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 304 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Thermaprime Drilling Corporationthermaprime.comHQ: Pasig, PhilippinesReported employees: 501-1,000 | Pasig, Philippines | 501-1,000 | Exact match | 279 contacts → |
“Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Ahmadi, KuwaitReported employees: 501-1,000 | Ahmadi, Kuwait | 501-1,000 | Exact match | 266 contacts → |
“GDMC was established in 1982 as a wholly owned Private Kuwaiti Company under the umbrella of Al-Khalid Group, to service the Petroleum and Water Well sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Prodrillingprodrilling.comHQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 233 contacts → |
“En Prodrilling contamos con más de 12 años de experiencia entregando servicios de sondaje de alta calidad para la gran minería en Chile, con los más altos estándares técnicos y de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Bordrill Drilling Contractor And Trade Corpbordrill.comHQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 227 contacts → |
“BORDRILL Drilling Contractor & Trade Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Orbit Garant Chile S.Aorbitgarant.clHQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 216 contacts → |
“Empresa canadiense con operaciones en Chile y el mundo, de larga trayectoria y experiencia en servicios especializados de perforación, tales como: 1) Perforación de Superficie-…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Remicsa Drilling S.A. Redrilsa Oficialredrilsa.com.peHQ: Lima, PeruReported employees: 51-200 | Lima, Peru | 51-200 | Exact match | 208 contacts → |
“REMICSA DRILLING SA It is a company with 100% Peruvian capital created in 1996, leader in the market of diamond drilling in Peru and with presence abroad since 2003 (Zambia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Drillgeo Geologia E Sondagens S.Adrillgeo.com.brHQ: Lauro De Freitas, BrazilReported employees: 201-500 | Lauro De Freitas, Brazil | 201-500 | Exact match | 208 contacts → |
“A DrillGeo, nos seus mais de 25 anos de experiência no mercado de sondagem, sempre buscou a máxima qualidade e eficiência, trabalhando de forma sustentável e respeito ao meio…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Gulf Drilling LLCgulfdrillingme.comHQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 177 contacts → |
“Gulf Drilling (GD) is a fully owned subsidiary of MB Petroleum Services, a 100% Omani company that provides advanced drilling solutions to the oil and gas industry, formed with…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Bore And Boreboreandbore.comHQ: Karachi, PakistanReported employees: 1,001-5,000 | Karachi, Pakistan | 1,001-5,000 | Exact match | 176 contacts → |
“Bore and Bore Private Limited is one of the largest emerging firms in the drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Rocmin Servicios Minerosrocmin.clHQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 174 contacts → |
“Usamos, mantenemos y reconstruimos perforadoras de superficie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Quest Exploration Drilling PNG Limitedqedrill.com.pgHQ: Lae, Papua New GuineaReported employees: 501-1,000 | Lae, Papua New Guinea | 501-1,000 | Exact match | 159 contacts → |
“With more than 45 years of experience, Quest Exploration Drilling has established itself as an industry leader in providing drilling services to the resources and energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Hubbard Perforacioneshubbarddrilling.comHQ: Cuenca, EcuadorReported employees: 201-500 | Cuenca, Ecuador | 201-500 | Exact match | 109 contacts → |
“Hubbard Perforaciones (Hubbard Drilling) represents the determination and experience of more than 25 years of achievement in the drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Estrella International Energy Servicesestrellaies.comHQ: Bogota, ColombiaReported employees: 1,001-5,000 | Bogota, Colombia | 1,001-5,000 | Exact match | 102 contacts → |
“Ofrecemos servicios petroleros de manera eficiente, segura, innovadora, confiable y con el mejor talento humano.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,233 company matches
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Well drilling and maintenance services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,183 records in the displayed employee bands.
50 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,233 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Well drilling and maintenance services by location
9 lists · largest firstEvery Well drilling and maintenance services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Well drilling and maintenance services based in the United States782
- Well drilling and maintenance services based in Brazil144
- Well drilling and maintenance services based in Canada102
- Well drilling and maintenance services based in Australia62
- Well drilling and maintenance services based in the United Kingdom54
- Well drilling and maintenance services based in Germany52
- Well drilling and maintenance services based in Mexico46
- Well drilling and maintenance services based in Chile37
- Well drilling and maintenance services based in France35
Questions about this company list
What does Exact match mean for well drilling and maintenance services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many well drilling and maintenance services did RevenueBase find worldwide?
The saved snapshot records 2,233 matching company records, 35,059 tracked contacts and 5,449 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 well drilling and maintenance services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/well-drilling-and-maintenance-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 well drilling and maintenance services worldwide
RevenueBase records 2,233 matching company records for well drilling and maintenance services worldwide, with 35,059 tracked contacts and 5,449 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 well drilling and maintenance services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Patterson-Utipatenergy.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,552 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ensign Energy Servicesensignenergy.com HQ: Calgary, AB, CanadaReported employees: 1,001-5,000 | Calgary, AB, Canada | 1,001-5,000 | Exact match | 2,359 contacts → |
“Ensign Energy Services Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SAN Antonio Internacionalsanantoniointernacional.com HQ: Comuna 1, ArgentinaReported employees: 1,001-5,000 | Comuna 1, Argentina | 1,001-5,000 | Exact match | 2,324 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | PT Pertamina Drilling Services Indonesiapdsi.pertamina.com HQ: South Jakarta, IndonesiaReported employees: 1,001-5,000 | South Jakarta, Indonesia | 1,001-5,000 | Exact match | 1,344 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Abraj Energy Servicesabrajenergy.com HQ: Muscat, OmanReported employees: 1,001-5,000 | Muscat, Oman | 1,001-5,000 | Exact match | 1,315 contacts → |
“Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HMHhmhw.com HQ: Amsterdam, NetherlandsReported employees: 1,001-5,000 | Amsterdam, Netherlands | 1,001-5,000 | Exact match | 1,185 contacts → |
“HMH is a premier drilling solutions provider - delivering a broad portfolio of products and services that are designed to be the safest and most efficient in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kuwait Drilling Co. K.S.C.Ckdckwt.com HQ: East Ahmadi, KuwaitReported employees: 1,001-5,000 | East Ahmadi, Kuwait | 1,001-5,000 | Exact match | 759 contacts → |
“KUWAIT DRILLING CO.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Geotecgeotec.com.pe HQ: Ate, BelgiumReported employees: 1,001-5,000 | Ate, Belgium | 1,001-5,000 | Exact match | 690 contacts → |
“Geotec S.A, empresa de perforación perteneciente a Boyles Bros, fue fundado en 1963 posicionándose como una empresa líder en la industria minera peruana.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Foraco International SAforaco.com HQ: Marseille, FranceReported employees: 1,001-5,000 | Marseille, France | 1,001-5,000 | Exact match | 491 contacts → |
“Foraco International SA (TSX: FAR) is a leading global mineral drilling services company that provides a comprehensive and reliable service offering in mining and water projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | LUCASlucas.com.au HQ: Brisbane, AustraliaReported employees: 201-500 | Brisbane, Australia | 201-500 | Exact match | 364 contacts → |
“Welcome to Lucas!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Forage FTE Drillingforagefte.com HQ: Sherbrooke, CanadaReported employees: 201-500 | Sherbrooke, Canada | 201-500 | Exact match | 326 contacts → |
“FTE Drilling (Forages Technic-Eau Inc.) is one of the most specialized companies in the drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Leam Drilling Servicesleam.net HQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 304 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Thermaprime Drilling Corporationthermaprime.com HQ: Pasig, PhilippinesReported employees: 501-1,000 | Pasig, Philippines | 501-1,000 | Exact match | 279 contacts → |
“Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Ahmadi, KuwaitReported employees: 501-1,000 | Ahmadi, Kuwait | 501-1,000 | Exact match | 266 contacts → |
“GDMC was established in 1982 as a wholly owned Private Kuwaiti Company under the umbrella of Al-Khalid Group, to service the Petroleum and Water Well sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Prodrillingprodrilling.com HQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 233 contacts → |
“En Prodrilling contamos con más de 12 años de experiencia entregando servicios de sondaje de alta calidad para la gran minería en Chile, con los más altos estándares técnicos y de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bordrill Drilling Contractor And Trade Corpbordrill.com HQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 227 contacts → |
“BORDRILL Drilling Contractor & Trade Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Orbit Garant Chile S.Aorbitgarant.cl HQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 216 contacts → |
“Empresa canadiense con operaciones en Chile y el mundo, de larga trayectoria y experiencia en servicios especializados de perforación, tales como: 1) Perforación de Superficie-…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Remicsa Drilling S.A. Redrilsa Oficialredrilsa.com.pe HQ: Lima, PeruReported employees: 51-200 | Lima, Peru | 51-200 | Exact match | 208 contacts → |
“REMICSA DRILLING SA It is a company with 100% Peruvian capital created in 1996, leader in the market of diamond drilling in Peru and with presence abroad since 2003 (Zambia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Drillgeo Geologia E Sondagens S.Adrillgeo.com.br HQ: Lauro De Freitas, BrazilReported employees: 201-500 | Lauro De Freitas, Brazil | 201-500 | Exact match | 208 contacts → |
“A DrillGeo, nos seus mais de 25 anos de experiência no mercado de sondagem, sempre buscou a máxima qualidade e eficiência, trabalhando de forma sustentável e respeito ao meio…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gulf Drilling LLCgulfdrillingme.com HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 177 contacts → |
“Gulf Drilling (GD) is a fully owned subsidiary of MB Petroleum Services, a 100% Omani company that provides advanced drilling solutions to the oil and gas industry, formed with…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bore And Boreboreandbore.com HQ: Karachi, PakistanReported employees: 1,001-5,000 | Karachi, Pakistan | 1,001-5,000 | Exact match | 176 contacts → |
“Bore and Bore Private Limited is one of the largest emerging firms in the drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Rocmin Servicios Minerosrocmin.cl HQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 174 contacts → |
“Usamos, mantenemos y reconstruimos perforadoras de superficie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Quest Exploration Drilling PNG Limitedqedrill.com.pg HQ: Lae, Papua New GuineaReported employees: 501-1,000 | Lae, Papua New Guinea | 501-1,000 | Exact match | 159 contacts → |
“With more than 45 years of experience, Quest Exploration Drilling has established itself as an industry leader in providing drilling services to the resources and energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Hubbard Perforacioneshubbarddrilling.com HQ: Cuenca, EcuadorReported employees: 201-500 | Cuenca, Ecuador | 201-500 | Exact match | 109 contacts → |
“Hubbard Perforaciones (Hubbard Drilling) represents the determination and experience of more than 25 years of achievement in the drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Estrella International Energy Servicesestrellaies.com HQ: Bogota, ColombiaReported employees: 1,001-5,000 | Bogota, Colombia | 1,001-5,000 | Exact match | 102 contacts → |
“Ofrecemos servicios petroleros de manera eficiente, segura, innovadora, confiable y con el mejor talento humano.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Well drilling and maintenance services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,183 records in the displayed employee bands.
50 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,233 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Well drilling and maintenance services by location
9 lists · largest firstEvery Well drilling and maintenance services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Well drilling and maintenance services based in the United States782
- Well drilling and maintenance services based in Brazil144
- Well drilling and maintenance services based in Canada102
- Well drilling and maintenance services based in Australia62
- Well drilling and maintenance services based in the United Kingdom54
- Well drilling and maintenance services based in Germany52
- Well drilling and maintenance services based in Mexico46
- Well drilling and maintenance services based in Chile37
- Well drilling and maintenance services based in France35
Questions about this company list
What does Exact match mean for well drilling and maintenance services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many well drilling and maintenance services did RevenueBase find worldwide?
The saved snapshot records 2,233 matching company records, 35,059 tracked contacts and 5,449 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 well drilling and maintenance services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/well-drilling-and-maintenance-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗