Company lists · Data refreshed October 2026
Top 25 Environmental drilling contractors worldwide
RevenueBase identified 5,320 company matches for environmental drilling contractors worldwide as of October 2026 and tracks 98,229 professional contacts across them, including 23,572 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for environmental drilling contractors 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 October 12, 2026. Country and city lists for environmental drilling contractors 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 environmental drilling contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,176 contacts → | ||||
Exact match “Constellation Oil Services is a drilling contractor highly differentiated due to its unique experience in deep and ultra-deepwater drilling.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 2,102 contacts → | ||||
Exact match “EDC is one of the leading drilling contractors in Egypt and the MENA region; established in 1976 in partnership with Maersk Drilling, EDC is now 100% owned by Egyptian General…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 1,518 contacts → | ||||
Exact match “Major Drilling Group International Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 1,361 contacts → | ||||
Exact match “Training and Development Solutions” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 1,300 contacts → | ||||
Exact match “PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 1,165 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 1,048 contacts → | ||||
Exact match “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 1,017 contacts → | ||||
Exact match “Empresa líder en el Sector Petrolero, con presencia a Nivel Nacional, principales clientes PEMEX Y CFE, con servicios como perforación de pozos terrestres, Marinos, Geotérmicos…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 732 contacts → | ||||
Exact match “KUWAIT DRILLING CO.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 545 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 539 contacts → | ||||
Exact match “We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 491 contacts → | ||||
Exact match “ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 481 contacts → | ||||
Exact match “Since 1962, Vertex has been a leading North American provider of environmental services.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 481 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 15 | 468 contacts → | ||||
Exact match “Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 464 contacts → | ||||
Exact match “TWMA is the world’s drilling waste specialist; pioneering the best solutions & technology to turn waste into value.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 464 contacts → | ||||
Exact match “PETREVEN is a low impact Drilling Contractor (established in 1998 in Venezuela).” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 458 contacts → | ||||
Exact match “As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 440 contacts → | ||||
Exact match “HydroGeoLogic, Inc.(HGL) is an employee-owned company with over 36 years of experience developing innovative, effective, and sustainable engineering and remediation solutions to…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 439 contacts → | ||||
Exact match “Songa Offshore is an International Midwater Drilling Contractor with a strong presence in the harsh environment North Atlantic basin.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 436 contacts → | ||||
Exact match “Ausdrill is a premium Australian drilling company that provides exploration drilling, production drilling, blasting services and geotechnical services for mining majors through to…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 419 contacts → | ||||
Exact match “West-African-Based Mineral driller leading in specialized and diverse drilling applications equipped with best in class rig fleet, workshop and employees Vision: “To be the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 390 contacts → | ||||
Exact match “Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 24 | 372 contacts → | ||||
Exact match “Welcome to Lucas!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 25 | 358 contacts → | ||||
Exact match “ENERGOLD DRILLING is a leading global drilling solutions company that services the mining, infrastructure, and geothermal sectors in the Americas, Africa, and Europe.” Recorded in the RevenueBase company graph · Oct 12, 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 “environmental drilling contractors”. 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 5,320 environmental drilling contractors worldwide
See the full list, filter by size, metro and specialty, and access 23,572 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Environmental drilling contractors worldwide at a glance
As of Oct 12, 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 environmental drilling contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “environmental drilling contractors” 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 23,572 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 October 12, 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.
Environmental drilling contractors by location
22 lists · largest firstEvery Environmental drilling contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental drilling contractors based in the United States1,928
- Environmental drilling contractors based in Canada351
- Environmental drilling contractors based in Brazil306
- Environmental drilling contractors based in Australia224
- Environmental drilling contractors based in the United Kingdom183
- Environmental drilling contractors based in Italy153
- Environmental drilling contractors based in Germany125
- Environmental drilling contractors based in France103
- Environmental drilling contractors based in the Netherlands93
- Environmental drilling contractors based in Türkiye74
- Environmental drilling contractors based in Mexico60
- Environmental drilling contractors based in Spain55
- Environmental drilling contractors based in Indonesia52
- Environmental drilling contractors based in South Africa52
- Environmental drilling contractors based in Sweden51
- Environmental drilling contractors based in Chile50
- Environmental drilling contractors based in Belgium47
- Environmental drilling contractors based in New Zealand25
- Environmental drilling contractors based in Norway25
Cities
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 “environmental drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many environmental drilling contractors are there worldwide?
RevenueBase identified 5,320 company matches for environmental drilling contractors worldwide as of October 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?
Constellation OIL Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most environmental drilling contractors?
The United States leads with 1,928 companies, followed by Canada (351) and Brazil (306). Every environmental drilling contractors list by country and city is linked on this page.
Which city has the most environmental drilling contractors?
Houston leads with 59 company records, followed by Calgary (44) and Sao Paulo (44).
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 23,572 professional contacts with verified work emails tracked across these 5,320 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 October 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 5,320 environmental drilling contractors 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 environmental drilling contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,320 matching company records for environmental drilling contractors worldwide, with 98,229 tracked contacts and 23,572 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: October 12, 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 environmental drilling contractors 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 | Constellation OIL Servicestheconstellation.com HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,176 contacts → |
“Constellation Oil Services is a drilling contractor highly differentiated due to its unique experience in deep and ultra-deepwater drilling.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Egyptian Drilling Company EDCegyptian-drilling.comHQ: Cairo, EgyptReported employees: 5,001-10,000 | Cairo, Egypt | 5,001-10,000 | Exact match | 2,102 contacts → |
“EDC is one of the leading drilling contractors in Egypt and the MENA region; established in 1976 in partnership with Maersk Drilling, EDC is now 100% owned by Egyptian General…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Major Drillingmajordrilling.comHQ: Moncton, NB, CanadaReported employees: 1,001-5,000 | Moncton, NB, Canada | 1,001-5,000 | Exact match | 1,518 contacts → |
“Major Drilling Group International Inc.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  PMIpmi.netHQ: Irvine, CA, United StatesReported employees: Not recorded | Irvine, CA, United States | Not recorded | Exact match | 1,361 contacts → |
“Training and Development Solutions” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  PT Pertamina Drilling Services Indonesiapdsi.pertamina.comHQ: South Jakarta, IndonesiaReported employees: 1,001-5,000 | South Jakarta, Indonesia | 1,001-5,000 | Exact match | 1,300 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · October 12, 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 | 1,165 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 · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Alliance Technical Groupalliancetg.comHQ: Decatur, AL, United StatesReported employees: 1,001-5,000 | Decatur, AL, United States | 1,001-5,000 | Exact match | 1,048 contacts → |
“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Carso Perforacióncarso.com.mx HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 1,017 contacts → |
“Empresa líder en el Sector Petrolero, con presencia a Nivel Nacional, principales clientes PEMEX Y CFE, con servicios como perforación de pozos terrestres, Marinos, Geotérmicos…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 | 732 contacts → |
“KUWAIT DRILLING CO.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Geotecgeotec.com.peHQ: Ate, BelgiumReported employees: 1,001-5,000 | Ate, Belgium | 1,001-5,000 | Exact match | 545 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 · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ENI Rewindenirewind.comHQ: San Donato Milanese, ItalyReported employees: 1,001-5,000 | San Donato Milanese, Italy | 1,001-5,000 | Exact match | 539 contacts → |
“We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Entact, LLCentact.comHQ: Westmont, IL, United StatesReported employees: 501-1,000 | Westmont, IL, United States | 501-1,000 | Exact match | 491 contacts → |
“ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Vertex Resource Group LTDvertex.caHQ: Sherwood Park, AB, CanadaReported employees: 1,001-5,000 | Sherwood Park, AB, Canada | 1,001-5,000 | Exact match | 481 contacts → |
“Since 1962, Vertex has been a leading North American provider of environmental services.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Foraco International SAforaco.comHQ: Marseille, FranceReported employees: 1,001-5,000 | Marseille, France | 1,001-5,000 | Exact match | 481 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 · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ROUXrouxinc.comHQ: Islandia, NY, United StatesReported employees: 201-500 | Islandia, NY, United States | 201-500 | Exact match | 468 contacts → |
“Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  TWMAtwma.comHQ: Dyce, United KingdomReported employees: 501-1,000 | Dyce, United Kingdom | 501-1,000 | Exact match | 464 contacts → |
“TWMA is the world’s drilling waste specialist; pioneering the best solutions & technology to turn waste into value.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Petrevenpetreven.comHQ: Podenzano, ItalyReported employees: 501-1,000 | Podenzano, Italy | 501-1,000 | Exact match | 464 contacts → |
“PETREVEN is a low impact Drilling Contractor (established in 1998 in Venezuela).” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cactus Drilling COcactusdrlg.comHQ: Oklahoma City, OK, United StatesReported employees: 1,001-5,000 | Oklahoma City, OK, United States | 1,001-5,000 | Exact match | 458 contacts → |
“As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hydrogeologic, INChgl.com HQ: Reston, VA, United StatesReported employees: 501-1,000 | Reston, VA, United States | 501-1,000 | Exact match | 440 contacts → |
“HydroGeoLogic, Inc.(HGL) is an employee-owned company with over 36 years of experience developing innovative, effective, and sustainable engineering and remediation solutions to…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Songa Offshoresongaoffshore.com HQ: CyprusReported employees: 201-500 | Cyprus | 201-500 | Exact match | 439 contacts → |
“Songa Offshore is an International Midwater Drilling Contractor with a strong presence in the harsh environment North Atlantic basin.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ausdrillausdrill.com.auHQ: Kewdale, AustraliaReported employees: 201-500 | Kewdale, Australia | 201-500 | Exact match | 436 contacts → |
“Ausdrill is a premium Australian drilling company that provides exploration drilling, production drilling, blasting services and geotechnical services for mining majors through to…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Geodrillgeodrill-gh.com HQ: Airport Residential, GhanaReported employees: 501-1,000 | Airport Residential, Ghana | 501-1,000 | Exact match | 419 contacts → |
“West-African-Based Mineral driller leading in specialized and diverse drilling applications equipped with best in class rig fleet, workshop and employees Vision: “To be the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Boskalis Westminster LTDboskalis.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 390 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  LUCASlucas.com.auHQ: Brisbane, AustraliaReported employees: 201-500 | Brisbane, Australia | 201-500 | Exact match | 372 contacts → |
“Welcome to Lucas!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Energold Drillingenergold.comHQ: Vancouver, BC, CanadaReported employees: 201-500 | Vancouver, BC, Canada | 201-500 | Exact match | 358 contacts → |
“ENERGOLD DRILLING is a leading global drilling solutions company that services the mining, infrastructure, and geothermal sectors in the Americas, Africa, and Europe.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,320 company matches
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Environmental drilling contractors: dataset insights
October 12, 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
5,290 records in the displayed employee bands.
30 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 5,320 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: October 12, 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 ↗
Environmental drilling contractors by location
22 lists · largest firstEvery Environmental drilling contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental drilling contractors based in the United States1,928
- Environmental drilling contractors based in Canada351
- Environmental drilling contractors based in Brazil306
- Environmental drilling contractors based in Australia224
- Environmental drilling contractors based in the United Kingdom183
- Environmental drilling contractors based in Italy153
- Environmental drilling contractors based in Germany125
- Environmental drilling contractors based in France103
- Environmental drilling contractors based in the Netherlands93
- Environmental drilling contractors based in Türkiye74
- Environmental drilling contractors based in Mexico60
- Environmental drilling contractors based in Spain55
- Environmental drilling contractors based in Indonesia52
- Environmental drilling contractors based in South Africa52
- Environmental drilling contractors based in Sweden51
- Environmental drilling contractors based in Chile50
- Environmental drilling contractors based in Belgium47
- Environmental drilling contractors based in New Zealand25
- Environmental drilling contractors based in Norway25
Cities
Questions about this company list
What does Exact match mean for environmental drilling contractors?
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 environmental drilling contractors did RevenueBase find worldwide?
The saved snapshot records 5,320 matching company records, 98,229 tracked contacts and 23,572 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: October 12, 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 environmental drilling contractors worldwide. Snapshot: October 12, 2026. https://revenuebase.ai/companies/browse/environmental-drilling-contractors.
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 environmental drilling contractors worldwide
RevenueBase records 5,320 matching company records for environmental drilling contractors worldwide, with 98,229 tracked contacts and 23,572 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: October 12, 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 environmental drilling contractors 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 | Constellation OIL Servicestheconstellation.com HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,176 contacts → |
“Constellation Oil Services is a drilling contractor highly differentiated due to its unique experience in deep and ultra-deepwater drilling.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Egyptian Drilling Company EDCegyptian-drilling.com HQ: Cairo, EgyptReported employees: 5,001-10,000 | Cairo, Egypt | 5,001-10,000 | Exact match | 2,102 contacts → |
“EDC is one of the leading drilling contractors in Egypt and the MENA region; established in 1976 in partnership with Maersk Drilling, EDC is now 100% owned by Egyptian General…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Major Drillingmajordrilling.com HQ: Moncton, NB, CanadaReported employees: 1,001-5,000 | Moncton, NB, Canada | 1,001-5,000 | Exact match | 1,518 contacts → |
“Major Drilling Group International Inc.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | PMIpmi.net HQ: Irvine, CA, United StatesReported employees: Not recorded | Irvine, CA, United States | Not recorded | Exact match | 1,361 contacts → |
“Training and Development Solutions” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 | 1,300 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · October 12, 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 | 1,165 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 · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Alliance Technical Groupalliancetg.com HQ: Decatur, AL, United StatesReported employees: 1,001-5,000 | Decatur, AL, United States | 1,001-5,000 | Exact match | 1,048 contacts → |
“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Carso Perforacióncarso.com.mx HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 1,017 contacts → |
“Empresa líder en el Sector Petrolero, con presencia a Nivel Nacional, principales clientes PEMEX Y CFE, con servicios como perforación de pozos terrestres, Marinos, Geotérmicos…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 | 732 contacts → |
“KUWAIT DRILLING CO.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Geotecgeotec.com.pe HQ: Ate, BelgiumReported employees: 1,001-5,000 | Ate, Belgium | 1,001-5,000 | Exact match | 545 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 · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ENI Rewindenirewind.com HQ: San Donato Milanese, ItalyReported employees: 1,001-5,000 | San Donato Milanese, Italy | 1,001-5,000 | Exact match | 539 contacts → |
“We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Entact, LLCentact.com HQ: Westmont, IL, United StatesReported employees: 501-1,000 | Westmont, IL, United States | 501-1,000 | Exact match | 491 contacts → |
“ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vertex Resource Group LTDvertex.ca HQ: Sherwood Park, AB, CanadaReported employees: 1,001-5,000 | Sherwood Park, AB, Canada | 1,001-5,000 | Exact match | 481 contacts → |
“Since 1962, Vertex has been a leading North American provider of environmental services.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Foraco International SAforaco.com HQ: Marseille, FranceReported employees: 1,001-5,000 | Marseille, France | 1,001-5,000 | Exact match | 481 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 · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ROUXrouxinc.com HQ: Islandia, NY, United StatesReported employees: 201-500 | Islandia, NY, United States | 201-500 | Exact match | 468 contacts → |
“Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | TWMAtwma.com HQ: Dyce, United KingdomReported employees: 501-1,000 | Dyce, United Kingdom | 501-1,000 | Exact match | 464 contacts → |
“TWMA is the world’s drilling waste specialist; pioneering the best solutions & technology to turn waste into value.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Petrevenpetreven.com HQ: Podenzano, ItalyReported employees: 501-1,000 | Podenzano, Italy | 501-1,000 | Exact match | 464 contacts → |
“PETREVEN is a low impact Drilling Contractor (established in 1998 in Venezuela).” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cactus Drilling COcactusdrlg.com HQ: Oklahoma City, OK, United StatesReported employees: 1,001-5,000 | Oklahoma City, OK, United States | 1,001-5,000 | Exact match | 458 contacts → |
“As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hydrogeologic, INChgl.com HQ: Reston, VA, United StatesReported employees: 501-1,000 | Reston, VA, United States | 501-1,000 | Exact match | 440 contacts → |
“HydroGeoLogic, Inc.(HGL) is an employee-owned company with over 36 years of experience developing innovative, effective, and sustainable engineering and remediation solutions to…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Songa Offshoresongaoffshore.com HQ: CyprusReported employees: 201-500 | Cyprus | 201-500 | Exact match | 439 contacts → |
“Songa Offshore is an International Midwater Drilling Contractor with a strong presence in the harsh environment North Atlantic basin.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ausdrillausdrill.com.au HQ: Kewdale, AustraliaReported employees: 201-500 | Kewdale, Australia | 201-500 | Exact match | 436 contacts → |
“Ausdrill is a premium Australian drilling company that provides exploration drilling, production drilling, blasting services and geotechnical services for mining majors through to…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Geodrillgeodrill-gh.com HQ: Airport Residential, GhanaReported employees: 501-1,000 | Airport Residential, Ghana | 501-1,000 | Exact match | 419 contacts → |
“West-African-Based Mineral driller leading in specialized and diverse drilling applications equipped with best in class rig fleet, workshop and employees Vision: “To be the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Boskalis Westminster LTDboskalis.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 390 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | LUCASlucas.com.au HQ: Brisbane, AustraliaReported employees: 201-500 | Brisbane, Australia | 201-500 | Exact match | 372 contacts → |
“Welcome to Lucas!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Energold Drillingenergold.com HQ: Vancouver, BC, CanadaReported employees: 201-500 | Vancouver, BC, Canada | 201-500 | Exact match | 358 contacts → |
“ENERGOLD DRILLING is a leading global drilling solutions company that services the mining, infrastructure, and geothermal sectors in the Americas, Africa, and Europe.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Environmental drilling contractors: dataset insights
October 12, 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
5,290 records in the displayed employee bands.
30 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 5,320 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: October 12, 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 ↗
Environmental drilling contractors by location
22 lists · largest firstEvery Environmental drilling contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental drilling contractors based in the United States1,928
- Environmental drilling contractors based in Canada351
- Environmental drilling contractors based in Brazil306
- Environmental drilling contractors based in Australia224
- Environmental drilling contractors based in the United Kingdom183
- Environmental drilling contractors based in Italy153
- Environmental drilling contractors based in Germany125
- Environmental drilling contractors based in France103
- Environmental drilling contractors based in the Netherlands93
- Environmental drilling contractors based in Türkiye74
- Environmental drilling contractors based in Mexico60
- Environmental drilling contractors based in Spain55
- Environmental drilling contractors based in Indonesia52
- Environmental drilling contractors based in South Africa52
- Environmental drilling contractors based in Sweden51
- Environmental drilling contractors based in Chile50
- Environmental drilling contractors based in Belgium47
- Environmental drilling contractors based in New Zealand25
- Environmental drilling contractors based in Norway25
Cities
Questions about this company list
What does Exact match mean for environmental drilling contractors?
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 environmental drilling contractors did RevenueBase find worldwide?
The saved snapshot records 5,320 matching company records, 98,229 tracked contacts and 23,572 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: October 12, 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 environmental drilling contractors worldwide. Snapshot: October 12, 2026. https://revenuebase.ai/companies/browse/environmental-drilling-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗