Company lists · Data refreshed October 2026
Top 9 Oil and gas drilling services based in Denver, United States
RevenueBase identified 26 company matches for oil and gas drilling services associated with Denver, United States as of October 2026 and tracks 2,403 professional contacts across them, including 1,556 with verified work emails. Across the United States, Houston is the largest hub for this category (343 companies); Denver has 26.
This list covers company matches for oil and gas drilling services associated with Denver, 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 October 19, 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 9 largest oil and gas drilling services based in Denver, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 43 contacts → | ||||
Exact match “Based in Denver, CO, Canary, LLC is one of the nation’s largest independently held oilfield service companies.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 22 contacts → | ||||
Exact match “Enservco Corporation provides a variety of well-site services to the domestic on-shore oil and gas industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 8 contacts → | ||||
Exact match “Basin Fluids LLC is an independent drilling fluids company, currently operating in Colorado, Wyoming, Oklahoma, and Texas.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 8 contacts → | ||||
Exact match “Vanoco has locations in both Denver and Calgary.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 3 contacts → | ||||
Exact match “Oil and Gas Land Services providing exploration and production companies with a full spectrum of land related actvities including: Permitting, Leasing, Surface Use Agreements…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 2 contacts → | ||||
Exact match “1776 Design, LLC is a Colorado-based oil and gas consulting company specializing in 3D piping design, 2D drafting services, on-site construction support, skid design, and asset…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 1 contacts → | ||||
Exact match “Founded in 2012, Ptarmigan Services has participated in drilling and completions operations from North Dakota's Bakken to Pennsylvania's Marcellus back home to Colorado's DJ Basin.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 19, 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 “oil and gas drilling 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 9 of 26 oil and gas drilling services based in Denver, United States
See the full list, filter by size, metro and specialty, and access 1,556 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil and gas drilling services based in Denver, United States at a glance
As of Oct 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Denver, so it is reported there. Company counts and contact totals on this page are exact for Denver, over 26 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 Denver, United States whose business descriptions match “oil and gas drilling 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 1,556 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 19, 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.
Oil and gas drilling services by metro in the United States
- Oil and gas drilling services in Houston343
- Oil and gas drilling services in Midland130
- Oil and gas drilling services in Odessa66
- Oil and gas drilling services in Oklahoma City43
- Oil and gas drilling services in Lafayette32
- Oil and gas drilling services in Broussard28
- Oil and gas drilling services in Bakersfield26
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 “oil and gas drilling services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil and gas drilling services are there based in Denver, United States?
RevenueBase identified 26 company matches for oil and gas drilling services associated with Denver, United States 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?
Canary Connects tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most oil and gas drilling services?
Houston leads the United States with 343 company records, followed by Midland (130) and Odessa (66). Denver has 26.
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 1,556 professional contacts with verified work emails tracked across these 26 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 26 oil and gas drilling services based in Denver, United States. Start with a free account, no credit card.
Download this list →Related lists
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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.
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Company intelligence · public preview
Top 9 oil and gas drilling services based in Denver, 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 26 matching company records for oil and gas drilling services based in Denver, United States, with 2,403 tracked contacts and 1,556 verified work emails.
This public preview shows 9 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 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 9 oil and gas drilling services based in Denver, 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 |  Canary Connectscanaryusa.comHQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 43 contacts → |
“Based in Denver, CO, Canary, LLC is one of the nation’s largest independently held oilfield service companies.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Enservco Corporationenservco.comHQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 22 contacts → |
“Enservco Corporation provides a variety of well-site services to the domestic on-shore oil and gas industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Basin Fluids LLCbasinfluids.comHQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 8 contacts → |
“Basin Fluids LLC is an independent drilling fluids company, currently operating in Colorado, Wyoming, Oklahoma, and Texas.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Vanoco Consultingvanococonsulting.comHQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 8 contacts → |
“Vanoco has locations in both Denver and Calgary.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Orbis Engineering, INCorbisengr.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  James C Karo Associatesjameskaro.comHQ: Denver, CO, United StatesReported employees: 11-50 | Denver, CO, United States | 11-50 | Exact match | 3 contacts → |
“Oil and Gas Land Services providing exploration and production companies with a full spectrum of land related actvities including: Permitting, Leasing, Surface Use Agreements…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  1776 Design LLC1776design.comHQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 2 contacts → |
“1776 Design, LLC is a Colorado-based oil and gas consulting company specializing in 3D piping design, 2D drafting services, on-site construction support, skid design, and asset…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ptarmigan Servicesptarmiganservices.com HQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 1 contacts → |
“Founded in 2012, Ptarmigan Services has participated in drilling and completions operations from North Dakota's Bakken to Pennsylvania's Marcellus back home to Colorado's DJ Basin.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  OIL And GAS Advisors, LLCoagadvisors.comHQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 9 of 26 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Oil and gas drilling services: dataset insights
October 19, 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
26 records in the displayed employee bands.
0 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 United States list rather than for Denver, so it is reported there. Company counts and contact totals on this page are exact for Denver, over 26 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 19, 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 ↗
Oil and gas drilling services by metro in the United States
- Oil and gas drilling services in Houston343
- Oil and gas drilling services in Midland130
- Oil and gas drilling services in Odessa66
- Oil and gas drilling services in Oklahoma City43
- Oil and gas drilling services in Lafayette32
- Oil and gas drilling services in Broussard28
- Oil and gas drilling services in Bakersfield26
Questions about this company list
What does Exact match mean for oil and gas drilling 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 oil and gas drilling services did RevenueBase find based in Denver, United States?
The saved snapshot records 26 matching company records, 2,403 tracked contacts and 1,556 verified emails. The public preview displays 9 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 19, 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
Oil and gas drilling services by geography
- Oil and gas drilling services based in Rio De Janeiro, Brazil
- Oil and gas drilling services based in Calgary, Canada
- Oil and gas drilling services based in Edmonton, Canada
- Oil and gas drilling services based in Bogota, Colombia
- Oil and gas drilling services based in Cairo, Egypt
- Oil and gas drilling services based in Mumbai, India
- Oil and gas drilling services based in Kuala Lumpur, Malaysia
- Oil and gas drilling services based in Lagos, Nigeria
- Oil and gas drilling services based in Port Harcourt, Nigeria
- Oil and gas drilling services based in Muscat, Oman
- Oil and gas drilling services based in Abu Dhabi, United Arab Emirates
- Oil and gas drilling services based in Dubai, United Arab Emirates
Cite this list
RevenueBase Data Team. Top 9 oil and gas drilling services based in Denver, United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/oil-and-gas-drilling-services/united-states/denver.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil and gas drilling services based in Rio De Janeiro, Brazil
- Oil and gas drilling services based in Calgary, Canada
- Oil and gas drilling services based in Edmonton, Canada
- Oil and gas drilling services based in Bogota, Colombia
- Oil and gas drilling services based in Cairo, Egypt
- Oil and gas drilling services based in Mumbai, India
Company intelligence · public preview
Top 9 oil and gas drilling services based in Denver, United States
RevenueBase records 26 matching company records for oil and gas drilling services based in Denver, United States, with 2,403 tracked contacts and 1,556 verified work emails.
This public preview shows 9 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 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 9 oil and gas drilling services based in Denver, 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 | Canary Connectscanaryusa.com HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 43 contacts → |
“Based in Denver, CO, Canary, LLC is one of the nation’s largest independently held oilfield service companies.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Enservco Corporationenservco.com HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 22 contacts → |
“Enservco Corporation provides a variety of well-site services to the domestic on-shore oil and gas industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Basin Fluids LLCbasinfluids.com HQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 8 contacts → |
“Basin Fluids LLC is an independent drilling fluids company, currently operating in Colorado, Wyoming, Oklahoma, and Texas.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Vanoco Consultingvanococonsulting.com HQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 8 contacts → |
“Vanoco has locations in both Denver and Calgary.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Orbis Engineering, INCorbisengr.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | James C Karo Associatesjameskaro.com HQ: Denver, CO, United StatesReported employees: 11-50 | Denver, CO, United States | 11-50 | Exact match | 3 contacts → |
“Oil and Gas Land Services providing exploration and production companies with a full spectrum of land related actvities including: Permitting, Leasing, Surface Use Agreements…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 1776 Design LLC1776design.com HQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 2 contacts → |
“1776 Design, LLC is a Colorado-based oil and gas consulting company specializing in 3D piping design, 2D drafting services, on-site construction support, skid design, and asset…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ptarmigan Servicesptarmiganservices.com HQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 1 contacts → |
“Founded in 2012, Ptarmigan Services has participated in drilling and completions operations from North Dakota's Bakken to Pennsylvania's Marcellus back home to Colorado's DJ Basin.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | OIL And GAS Advisors, LLCoagadvisors.com HQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 9 of 26 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Oil and gas drilling services: dataset insights
October 19, 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
26 records in the displayed employee bands.
0 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 United States list rather than for Denver, so it is reported there. Company counts and contact totals on this page are exact for Denver, over 26 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 19, 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 ↗
Oil and gas drilling services by metro in the United States
- Oil and gas drilling services in Houston343
- Oil and gas drilling services in Midland130
- Oil and gas drilling services in Odessa66
- Oil and gas drilling services in Oklahoma City43
- Oil and gas drilling services in Lafayette32
- Oil and gas drilling services in Broussard28
- Oil and gas drilling services in Bakersfield26
Questions about this company list
What does Exact match mean for oil and gas drilling 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 oil and gas drilling services did RevenueBase find based in Denver, United States?
The saved snapshot records 26 matching company records, 2,403 tracked contacts and 1,556 verified emails. The public preview displays 9 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 19, 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
Oil and gas drilling services by geography
- Oil and gas drilling services based in Rio De Janeiro, Brazil
- Oil and gas drilling services based in Calgary, Canada
- Oil and gas drilling services based in Edmonton, Canada
- Oil and gas drilling services based in Bogota, Colombia
- Oil and gas drilling services based in Cairo, Egypt
- Oil and gas drilling services based in Mumbai, India
- Oil and gas drilling services based in Kuala Lumpur, Malaysia
- Oil and gas drilling services based in Lagos, Nigeria
- Oil and gas drilling services based in Port Harcourt, Nigeria
- Oil and gas drilling services based in Muscat, Oman
- Oil and gas drilling services based in Abu Dhabi, United Arab Emirates
- Oil and gas drilling services based in Dubai, United Arab Emirates
Cite this list
RevenueBase Data Team. Top 9 oil and gas drilling services based in Denver, United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/oil-and-gas-drilling-services/united-states/denver.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil and gas drilling services based in Rio De Janeiro, Brazil
- Oil and gas drilling services based in Calgary, Canada
- Oil and gas drilling services based in Edmonton, Canada
- Oil and gas drilling services based in Bogota, Colombia
- Oil and gas drilling services based in Cairo, Egypt
- Oil and gas drilling services based in Mumbai, India