Company lists · Data refreshed November 2026
Top 25 Well access services based in the United States
RevenueBase identified 524 company matches for well access services associated with the United States as of November 2026 and tracks 19,122 professional contacts across them, including 4,210 with verified work emails. Houston is the largest hub.
This list covers company matches for well access services associated with the United States, 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.
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 access services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,991 contacts → | ||||
Exact match “Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 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 | |||||
| 3 | 2,119 contacts → | ||||
Exact match “For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,159 contacts → | ||||
Exact match “Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 798 contacts → | ||||
Exact match “Wellbore Integrity Solutions provides superior technologies and global service domain expertise, enabling our customers to enhance the full lifecycle of their wells by solving…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 575 contacts → | ||||
Exact match “As one of the nations largest underground specialty contractors, InfraSource has over employees strategically positioned across more than 20 operating centers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 533 contacts → | ||||
Exact match “Ranger is one of the largest providers of high specification mobile rig well services, cased hole wireline services, and ancillary services in the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 384 contacts → | ||||
Exact match “Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 304 contacts → | ||||
Exact match “LEAM Drilling Systems, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 295 contacts → | ||||
Exact match “Greene’s Energy Group offers a range of support services and products to the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 247 contacts → | ||||
Exact match “Udelhoven Company founded in 1970 is a privately held full service construction, operations and maintenance company offering diversified products and services from oil field…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 206 contacts → | ||||
Exact match “Getting it done right.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 202 contacts → | ||||
Exact match “Founded in 1980, Butch's has been leading the pack as the premier service provider for the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 198 contacts → | ||||
Exact match “Renegade Services is the largest privately owned wireline service company servicing the oil and gas industry in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 169 contacts → | ||||
Exact match “FDF Energy Services has been providing world class customer service to the Oil and Gas Industry for over forty years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 133 contacts → | ||||
Exact match “Since 2001, Quality Energy Services has been an industry leader in providing total-solution services to energy majors in the gulf of Mexico and to future ventures in the world…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 132 contacts → | ||||
Exact match “JMAC Resources provides water management, environmental solutions, and well-site construction services to E&P operators in North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 125 contacts → | ||||
Exact match “Thomas Oilfield Services is committed to providing the best services and equipment in the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 111 contacts → | ||||
Exact match “Newsco is a global Directional Drilling and MWD service company, recognized internationally for our quality tools, committed service and for providing customized innovative…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 107 contacts → | ||||
Exact match “From day one our mission has always been to provide our customers with the best combination of products, service, and value available.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 101 contacts → | ||||
Exact match “Black Diamond Oilfield Rentals is a privately held company that offers a comprehensive range of products for rent and services tailored to meet the specific needs of our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 95 contacts → | ||||
Exact match “Workover/Drilling Rigs • E-Line • Slickline • Pressure Pumping • P&A • Hot Oil • Tubing Testers• Anchor Setting •Swabbing • Pipe Recovery” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 88 contacts → | ||||
Exact match “Caliber Completion Services was created to deliver the most efficient, highest quality wireline services to help you maximize your well investment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 81 contacts → | ||||
Exact match “American Well Services is located in Midland, TX and provides well services rigs for the purpose of workover or completion operations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 71 contacts → | ||||
Exact match “John M.” 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 access 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 524 well access services based in the United States
See the full list, filter by size, metro and specialty, and access 4,210 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Well access services based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 524 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “well access 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 4,210 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 access services by metro
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 access services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many well access services are there based in the United States?
RevenueBase identified 524 company matches for well access services associated with the United States 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?
KEY Energy Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most well access services?
Houston leads with 25 company records, followed by Midland (20) and Odessa (13).
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 4,210 professional contacts with verified work emails tracked across these 524 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 524 well access services based in the United States. 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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Well access services based in Houston, United States
- Well access services based in Brazil
- Well access services based in Canada
- Well access services based in Germany
- Well access services based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 well access services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 524 matching company records for well access services based in the United States, with 19,122 tracked contacts and 4,210 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 access services based in the United States
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 |  KEY Energy Serviceskeyenergy.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,991 contacts → |
“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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. | |||||
| 3 |  Superior Energy Servicessuperiorenergy.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,119 contacts → |
“For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Frank's International N.Vexpro.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,159 contacts → |
“Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  WIS Wellbore Integrity Solutionswellboreintegrity.comHQ: Houston, AL, United StatesReported employees: 1,001-5,000 | Houston, AL, United States | 1,001-5,000 | Exact match | 798 contacts → |
“Wellbore Integrity Solutions provides superior technologies and global service domain expertise, enabling our customers to enhance the full lifecycle of their wells by solving…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Infrasource, A Quanta Services Companyinfrasourceus.comHQ: King Of Prussia, VA, United StatesReported employees: 1,001-5,000 | King Of Prussia, VA, United States | 1,001-5,000 | Exact match | 575 contacts → |
“As one of the nations largest underground specialty contractors, InfraSource has over employees strategically positioned across more than 20 operating centers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ranger Energy Services, LLCrangerenergy.comHQ: Houston, ND, United StatesReported employees: 1,001-5,000 | Houston, ND, United States | 1,001-5,000 | Exact match | 533 contacts → |
“Ranger is one of the largest providers of high specification mobile rig well services, cased hole wireline services, and ancillary services in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Express Energy Serviceseeslp.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 384 contacts → |
“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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. | |||||
| 10 |  Greene's Energy Groupgreenesenergy.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 295 contacts → |
“Greene’s Energy Group offers a range of support services and products to the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Udelhovenudelhoven.comHQ: Anchorage, AK, United StatesReported employees: 201-500 | Anchorage, AK, United States | 201-500 | Exact match | 247 contacts → |
“Udelhoven Company founded in 1970 is a privately held full service construction, operations and maintenance company offering diversified products and services from oil field…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Casedhole-Solutions, Inc.- A C&j Energy Companycasedhole-solutions.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 206 contacts → |
“Getting it done right.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Butch's Companiesbrhas.comHQ: Levelland, TX, United StatesReported employees: 501-1,000 | Levelland, TX, United States | 501-1,000 | Exact match | 202 contacts → |
“Founded in 1980, Butch's has been leading the pack as the premier service provider for the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Renegade Servicesrenegadewls.comHQ: Levelland, TX, United StatesReported employees: 501-1,000 | Levelland, TX, United States | 501-1,000 | Exact match | 198 contacts → |
“Renegade Services is the largest privately owned wireline service company servicing the oil and gas industry in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  FDF Energy Servicesfdfenergy.comHQ: Lafayette, LA, United StatesReported employees: 201-500 | Lafayette, LA, United States | 201-500 | Exact match | 169 contacts → |
“FDF Energy Services has been providing world class customer service to the Oil and Gas Industry for over forty years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Quality Energy Servicesqualityenergy.netHQ: Houma, TX, United StatesReported employees: 201-500 | Houma, TX, United States | 201-500 | Exact match | 133 contacts → |
“Since 2001, Quality Energy Services has been an industry leader in providing total-solution services to energy majors in the gulf of Mexico and to future ventures in the world…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Jmac Resources, INCjmacresources.comHQ: Williston, ND, United StatesReported employees: 201-500 | Williston, ND, United States | 201-500 | Exact match | 132 contacts → |
“JMAC Resources provides water management, environmental solutions, and well-site construction services to E&P operators in North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Thomas Oilfield Servicesthomasoilfieldservices.comHQ: Longview, TX, United StatesReported employees: 201-500 | Longview, TX, United States | 201-500 | Exact match | 125 contacts → |
“Thomas Oilfield Services is committed to providing the best services and equipment in the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Newsco International Energy Servicesnewsco-drilling.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 111 contacts → |
“Newsco is a global Directional Drilling and MWD service company, recognized internationally for our quality tools, committed service and for providing customized innovative…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Howard Supply Companyhoward-supply.comHQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 107 contacts → |
“From day one our mission has always been to provide our customers with the best combination of products, service, and value available.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Black Diamond Oilfield Servicesbdoilfield.comHQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 101 contacts → |
“Black Diamond Oilfield Rentals is a privately held company that offers a comprehensive range of products for rent and services tailored to meet the specific needs of our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Moncla Workover & Drillingmoncla.comHQ: Lafayette, MS, United StatesReported employees: 51-200 | Lafayette, MS, United States | 51-200 | Exact match | 95 contacts → |
“Workover/Drilling Rigs • E-Line • Slickline • Pressure Pumping • P&A • Hot Oil • Tubing Testers• Anchor Setting •Swabbing • Pipe Recovery” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Caliber Completion Services LLCcalibercompletions.comHQ: Moore, OK, United StatesReported employees: 51-200 | Moore, OK, United States | 51-200 | Exact match | 88 contacts → |
“Caliber Completion Services was created to deliver the most efficient, highest quality wireline services to help you maximize your well investment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  American Well Servicesamericanwellservices.netHQ: Midland, TX, United StatesReported employees: 201-500 | Midland, TX, United States | 201-500 | Exact match | 81 contacts → |
“American Well Services is located in Midland, TX and provides well services rigs for the purpose of workover or completion operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  John M.Phillips, LLCjohnmphillips.comHQ: Signall Hill, CA, United StatesReported employees: 11-50 | Signall Hill, CA, United States | 11-50 | Exact match | 71 contacts → |
“John M.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 524 company matches
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Well access 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
517 records in the displayed employee bands.
7 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 524 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 access services by metro
Questions about this company list
What does Exact match mean for well access 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 access services did RevenueBase find based in the United States?
The saved snapshot records 524 matching company records, 19,122 tracked contacts and 4,210 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
Well access services by geography
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 well access services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/well-access-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- New lists
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Company intelligence · public preview
Top 25 well access services based in the United States
RevenueBase records 524 matching company records for well access services based in the United States, with 19,122 tracked contacts and 4,210 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 access services based in the United States
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 | KEY Energy Serviceskeyenergy.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,991 contacts → |
“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | Superior Energy Servicessuperiorenergy.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,119 contacts → |
“For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Frank's International N.Vexpro.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,159 contacts → |
“Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | WIS Wellbore Integrity Solutionswellboreintegrity.com HQ: Houston, AL, United StatesReported employees: 1,001-5,000 | Houston, AL, United States | 1,001-5,000 | Exact match | 798 contacts → |
“Wellbore Integrity Solutions provides superior technologies and global service domain expertise, enabling our customers to enhance the full lifecycle of their wells by solving…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Infrasource, A Quanta Services Companyinfrasourceus.com HQ: King Of Prussia, VA, United StatesReported employees: 1,001-5,000 | King Of Prussia, VA, United States | 1,001-5,000 | Exact match | 575 contacts → |
“As one of the nations largest underground specialty contractors, InfraSource has over employees strategically positioned across more than 20 operating centers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ranger Energy Services, LLCrangerenergy.com HQ: Houston, ND, United StatesReported employees: 1,001-5,000 | Houston, ND, United States | 1,001-5,000 | Exact match | 533 contacts → |
“Ranger is one of the largest providers of high specification mobile rig well services, cased hole wireline services, and ancillary services in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Express Energy Serviceseeslp.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 384 contacts → |
“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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. | |||||
| 10 | Greene's Energy Groupgreenesenergy.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 295 contacts → |
“Greene’s Energy Group offers a range of support services and products to the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Udelhovenudelhoven.com HQ: Anchorage, AK, United StatesReported employees: 201-500 | Anchorage, AK, United States | 201-500 | Exact match | 247 contacts → |
“Udelhoven Company founded in 1970 is a privately held full service construction, operations and maintenance company offering diversified products and services from oil field…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Casedhole-Solutions, Inc.- A C&j Energy Companycasedhole-solutions.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 206 contacts → |
“Getting it done right.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Butch's Companiesbrhas.com HQ: Levelland, TX, United StatesReported employees: 501-1,000 | Levelland, TX, United States | 501-1,000 | Exact match | 202 contacts → |
“Founded in 1980, Butch's has been leading the pack as the premier service provider for the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Renegade Servicesrenegadewls.com HQ: Levelland, TX, United StatesReported employees: 501-1,000 | Levelland, TX, United States | 501-1,000 | Exact match | 198 contacts → |
“Renegade Services is the largest privately owned wireline service company servicing the oil and gas industry in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | FDF Energy Servicesfdfenergy.com HQ: Lafayette, LA, United StatesReported employees: 201-500 | Lafayette, LA, United States | 201-500 | Exact match | 169 contacts → |
“FDF Energy Services has been providing world class customer service to the Oil and Gas Industry for over forty years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Quality Energy Servicesqualityenergy.net HQ: Houma, TX, United StatesReported employees: 201-500 | Houma, TX, United States | 201-500 | Exact match | 133 contacts → |
“Since 2001, Quality Energy Services has been an industry leader in providing total-solution services to energy majors in the gulf of Mexico and to future ventures in the world…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Jmac Resources, INCjmacresources.com HQ: Williston, ND, United StatesReported employees: 201-500 | Williston, ND, United States | 201-500 | Exact match | 132 contacts → |
“JMAC Resources provides water management, environmental solutions, and well-site construction services to E&P operators in North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Thomas Oilfield Servicesthomasoilfieldservices.com HQ: Longview, TX, United StatesReported employees: 201-500 | Longview, TX, United States | 201-500 | Exact match | 125 contacts → |
“Thomas Oilfield Services is committed to providing the best services and equipment in the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Newsco International Energy Servicesnewsco-drilling.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 111 contacts → |
“Newsco is a global Directional Drilling and MWD service company, recognized internationally for our quality tools, committed service and for providing customized innovative…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Howard Supply Companyhoward-supply.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 107 contacts → |
“From day one our mission has always been to provide our customers with the best combination of products, service, and value available.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Black Diamond Oilfield Servicesbdoilfield.com HQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 101 contacts → |
“Black Diamond Oilfield Rentals is a privately held company that offers a comprehensive range of products for rent and services tailored to meet the specific needs of our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Moncla Workover & Drillingmoncla.com HQ: Lafayette, MS, United StatesReported employees: 51-200 | Lafayette, MS, United States | 51-200 | Exact match | 95 contacts → |
“Workover/Drilling Rigs • E-Line • Slickline • Pressure Pumping • P&A • Hot Oil • Tubing Testers• Anchor Setting •Swabbing • Pipe Recovery” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Caliber Completion Services LLCcalibercompletions.com HQ: Moore, OK, United StatesReported employees: 51-200 | Moore, OK, United States | 51-200 | Exact match | 88 contacts → |
“Caliber Completion Services was created to deliver the most efficient, highest quality wireline services to help you maximize your well investment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | American Well Servicesamericanwellservices.net HQ: Midland, TX, United StatesReported employees: 201-500 | Midland, TX, United States | 201-500 | Exact match | 81 contacts → |
“American Well Services is located in Midland, TX and provides well services rigs for the purpose of workover or completion operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | John M.Phillips, LLCjohnmphillips.com HQ: Signall Hill, CA, United StatesReported employees: 11-50 | Signall Hill, CA, United States | 11-50 | Exact match | 71 contacts → |
“John M.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 524 company matches
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Well access 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
517 records in the displayed employee bands.
7 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 524 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 access services by metro
Questions about this company list
What does Exact match mean for well access 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 access services did RevenueBase find based in the United States?
The saved snapshot records 524 matching company records, 19,122 tracked contacts and 4,210 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.
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Cite this list
RevenueBase Data Team. Top 25 well access services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/well-access-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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