Company lists · Data refreshed September 2026
Top 25 Petroleum engineering firms based in Houston, United States
RevenueBase identified 337 company matches for petroleum engineering firms associated with Houston, United States as of September 2026 and tracks 78,909 professional contacts across them, including 21,727 with verified work emails. Across the United States, Houston is the largest hub for this category.
This list covers company matches for petroleum engineering firms associated with Houston, 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 September 17, 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 petroleum engineering firms based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 53,380 contacts → | ||||
Exact match “We collaborate and engineer solutions to maximize asset value for our customers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 2 | 5,865 contacts → | ||||
Exact match “Nabors Industries is a leading provider of advanced technology for the energy industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 3 | 3,683 contacts → | ||||
Exact match “National Energy Services Reunited Corp.(NESR) was founded in 2017 as one of the largest national oilfield services providers in the MENA and Asia Pacific regions and was the first…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 4 | 2,755 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 · Sep 17, 2026 · View company records in RevenueBase | |||||
| 5 | 2,317 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 · Sep 17, 2026 · View company records in RevenueBase | |||||
| 6 | 1,500 contacts → | ||||
Exact match “With over 70 offices in more than 50 countries located in major oil-producing provinces, Core Laboratories provides services to the world's major, national, and independent oil…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 7 | 712 contacts → | ||||
Exact match “With a culture built on high performance and flawless execution, Nine Energy Service is a unique kind of oilfield services company, offering industry-shaping completion solutions…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 8 | 424 contacts → | ||||
Exact match “EnerVest is a top-tier, low-cost oil and natural gas operating company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 9 | 379 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 · Sep 17, 2026 · View company records in RevenueBase | |||||
| 10 | 328 contacts → | ||||
Exact match “ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 11 | 301 contacts → | ||||
Exact match “Since our founding in 2006, NCS Multistage has grown to be a leading provider of engineered products and support services for oil and natural gas wells around the world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 12 | 285 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 · Sep 17, 2026 · View company records in RevenueBase | |||||
| 13 | 191 contacts → | ||||
Exact match “Getting it done right.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 14 | 181 contacts → | ||||
Exact match “Zentech, Inc, an engineering consulting and software development company, headquartered in Houston, TX, is comprised of experienced professionals specializing in providing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 15 | 124 contacts → | ||||
Exact match “PERC Engineering is a full-service engineering & project management firm in the oil & gas energy sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 16 | 116 contacts → | ||||
Exact match “Edge Engineering & Science, LLC (EDGE) is a privately owned professional services firm headquartered in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 17 | 115 contacts → | ||||
Exact match “Bedrock Petroleum Consultants was formed in 2011 with the goal of providing the highest level of quality service to both our consultants and operator clients.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 18 | 109 contacts → | ||||
Exact match “Ryder Scott Company, L.P.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 19 | 108 contacts → | ||||
Exact match “Enertia Software continues to lead the upstream oil and gas industry with integrated enterprise solutions for the upstream oil and gas industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 20 | 101 contacts → | ||||
Exact match “ModuSpec first introduced the concept of rig inspection to the market in 1986 and since then, has been providing unrivalled expertise and assurance to support safe operations…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 21 | 101 contacts → | ||||
Exact match “Stonebridge Consulting provides business advisory and technology services for next-gen oil and gas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 22 | 87 contacts → | ||||
Exact match “Upstream International provides drilling, completions/work-over, directional, MWD, safety, fluids and MPD professionals to the oil and gas industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 23 | 76 contacts → | ||||
Exact match “Strategy Engineering is a privately-owned technical services company located within the Energy Corridor in Houston, TX.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 24 | 62 contacts → | ||||
Exact match “Since 1993, Pinnacle has remained focused on providing practical and complete engineering services to the offshore oil and gas industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 25 | 60 contacts → | ||||
Exact match “F&C Engineers provides full services from concept to start up for the oil and gas upstream, midstream, and turbomachinery industries.” Recorded in the RevenueBase company graph · Sep 17, 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 “petroleum engineering firms”. 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 337 petroleum engineering firms based in Houston, United States
See the full list, filter by size, metro and specialty, and access 21,727 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Petroleum engineering firms based in Houston, United States at a glance
As of Sep 17, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 337 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 Houston, United States whose business descriptions match “petroleum engineering firms” 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 21,727 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 September 17, 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.
Petroleum engineering firms by metro in the United States
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 “petroleum engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many petroleum engineering firms are there based in Houston, United States?
RevenueBase identified 337 company matches for petroleum engineering firms associated with Houston, United States as of September 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?
Halliburton 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 petroleum engineering firms?
Houston leads the United States with 337 company records, followed by Denver (45) and Midland (41).
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 21,727 professional contacts with verified work emails tracked across these 337 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 September 17, 2026.
Ready to reach these companies? Verified emails and direct dials for all 337 petroleum engineering firms based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Petroleum engineering firms by geography
- Petroleum engineering firms based in Dallas, United States
- Petroleum engineering firms based in Denver, United States
- Petroleum engineering firms based in Midland, United States
- Petroleum engineering firms based in The Woodlands, United States
- Petroleum engineering firms based in Argentina
- Petroleum engineering firms based in Australia
- Petroleum engineering firms based in Brazil
- Petroleum engineering firms based in Canada
- Petroleum engineering firms based in Chile
- Petroleum engineering firms based in Colombia
- Petroleum engineering firms based in Ecuador
- Petroleum engineering firms based in Egypt
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
- Petroleum engineering firms based in Dallas, United States
- Petroleum engineering firms based in Denver, United States
- Petroleum engineering firms based in Midland, United States
- Petroleum engineering firms based in The Woodlands, United States
- Petroleum engineering firms based in Argentina
- Petroleum engineering firms based in Australia
Company intelligence · public preview
Top 25 petroleum engineering firms based in Houston, 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 337 matching company records for petroleum engineering firms based in Houston, United States, with 78,909 tracked contacts and 21,727 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: September 17, 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 petroleum engineering firms based in Houston, 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 |  Halliburtonhalliburton.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 53,380 contacts → |
“We collaborate and engineer solutions to maximize asset value for our customers.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nabors Industriesnabors.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 5,865 contacts → |
“Nabors Industries is a leading provider of advanced technology for the energy industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  NESRnesr.comHQ: Houston, United StatesReported employees: 5,001-10,000 | Houston, United States | 5,001-10,000 | Exact match | 3,683 contacts → |
“National Energy Services Reunited Corp.(NESR) was founded in 2017 as one of the largest national oilfield services providers in the MENA and Asia Pacific regions and was the first…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  KEY Energy Serviceskeyenergy.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,755 contacts → |
“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Patterson-Utipatenergy.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,317 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 · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Core Laboratoriescorelab.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,500 contacts → |
“With over 70 offices in more than 50 countries located in major oil-producing provinces, Core Laboratories provides services to the world's major, national, and independent oil…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Nine Energy Servicenineenergyservice.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 712 contacts → |
“With a culture built on high performance and flawless execution, Nine Energy Service is a unique kind of oilfield services company, offering industry-shaping completion solutions…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Enervest, LTDenervest.netHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 424 contacts → |
“EnerVest is a top-tier, low-cost oil and natural gas operating company.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Express Energy Serviceseeslp.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 379 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 · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  AIR Drilling Associatesairdrilling.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 328 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  NCS Multistagencsmultistage.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 301 contacts → |
“Since our founding in 2006, NCS Multistage has grown to be a leading provider of engineered products and support services for oil and natural gas wells around the world.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Greene's Energy Groupgreenesenergy.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 285 contacts → |
“Greene’s Energy Group offers a range of support services and products to the oil and gas industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 | 191 contacts → |
“Getting it done right.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Zentech Incorporatedzentech-usa.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 181 contacts → |
“Zentech, Inc, an engineering consulting and software development company, headquartered in Houston, TX, is comprised of experienced professionals specializing in providing…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Perc Engineeringperc-eng.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 124 contacts → |
“PERC Engineering is a full-service engineering & project management firm in the oil & gas energy sector.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Edge Engineering And Science, LLCedge-es.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 116 contacts → |
“Edge Engineering & Science, LLC (EDGE) is a privately owned professional services firm headquartered in Houston, Texas.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Bedrockbedrockpcl.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 115 contacts → |
“Bedrock Petroleum Consultants was formed in 2011 with the goal of providing the highest level of quality service to both our consultants and operator clients.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ryder Scott Co. L.Pryderscott.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 109 contacts → |
“Ryder Scott Company, L.P.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Enertia Softwareenertia-software.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 108 contacts → |
“Enertia Software continues to lead the upstream oil and gas industry with integrated enterprise solutions for the upstream oil and gas industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Moduspecmoduspec.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 101 contacts → |
“ModuSpec first introduced the concept of rig inspection to the market in 1986 and since then, has been providing unrivalled expertise and assurance to support safe operations…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Stonebridge Consultingsbconsulting.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 101 contacts → |
“Stonebridge Consulting provides business advisory and technology services for next-gen oil and gas.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Upstream International LLCupstreaminternational.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 87 contacts → |
“Upstream International provides drilling, completions/work-over, directional, MWD, safety, fluids and MPD professionals to the oil and gas industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Strategy Engineering And Consulting, LLCstrategyeng.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 76 contacts → |
“Strategy Engineering is a privately-owned technical services company located within the Energy Corridor in Houston, TX.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Pinnacle Engineeringpinnacleengr.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 62 contacts → |
“Since 1993, Pinnacle has remained focused on providing practical and complete engineering services to the offshore oil and gas industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  F&c Engineersfcengr.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 60 contacts → |
“F&C Engineers provides full services from concept to start up for the oil and gas upstream, midstream, and turbomachinery industries.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 337 company matches
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Petroleum engineering firms: dataset insights
September 17, 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
337 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 Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 337 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: September 17, 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 ↗
Petroleum engineering firms by metro in the United States
Questions about this company list
What does Exact match mean for petroleum engineering firms?
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 petroleum engineering firms did RevenueBase find based in Houston, United States?
The saved snapshot records 337 matching company records, 78,909 tracked contacts and 21,727 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: September 17, 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
Petroleum engineering firms by geography
- Petroleum engineering firms based in Dallas, United States
- Petroleum engineering firms based in Denver, United States
- Petroleum engineering firms based in Midland, United States
- Petroleum engineering firms based in The Woodlands, United States
- Petroleum engineering firms based in Argentina
- Petroleum engineering firms based in Australia
- Petroleum engineering firms based in Brazil
- Petroleum engineering firms based in Canada
- Petroleum engineering firms based in Chile
- Petroleum engineering firms based in Colombia
- Petroleum engineering firms based in Ecuador
- Petroleum engineering firms based in Egypt
Cite this list
RevenueBase Data Team. Top 25 petroleum engineering firms based in Houston, United States. Snapshot: September 17, 2026. https://revenuebase.ai/companies/petroleum-engineering-firms/united-states/houston.
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
- Petroleum engineering firms based in Dallas, United States
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- Petroleum engineering firms based in Midland, United States
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- Petroleum engineering firms based in Argentina
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Company intelligence · public preview
Top 25 petroleum engineering firms based in Houston, United States
RevenueBase records 337 matching company records for petroleum engineering firms based in Houston, United States, with 78,909 tracked contacts and 21,727 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: September 17, 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 petroleum engineering firms based in Houston, 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 | Halliburtonhalliburton.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 53,380 contacts → |
“We collaborate and engineer solutions to maximize asset value for our customers.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nabors Industriesnabors.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 5,865 contacts → |
“Nabors Industries is a leading provider of advanced technology for the energy industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NESRnesr.com HQ: Houston, United StatesReported employees: 5,001-10,000 | Houston, United States | 5,001-10,000 | Exact match | 3,683 contacts → |
“National Energy Services Reunited Corp.(NESR) was founded in 2017 as one of the largest national oilfield services providers in the MENA and Asia Pacific regions and was the first…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | KEY Energy Serviceskeyenergy.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,755 contacts → |
“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Patterson-Utipatenergy.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,317 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 · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Core Laboratoriescorelab.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,500 contacts → |
“With over 70 offices in more than 50 countries located in major oil-producing provinces, Core Laboratories provides services to the world's major, national, and independent oil…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Nine Energy Servicenineenergyservice.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 712 contacts → |
“With a culture built on high performance and flawless execution, Nine Energy Service is a unique kind of oilfield services company, offering industry-shaping completion solutions…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Enervest, LTDenervest.net HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 424 contacts → |
“EnerVest is a top-tier, low-cost oil and natural gas operating company.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Express Energy Serviceseeslp.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 379 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 · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | AIR Drilling Associatesairdrilling.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 328 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NCS Multistagencsmultistage.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 301 contacts → |
“Since our founding in 2006, NCS Multistage has grown to be a leading provider of engineered products and support services for oil and natural gas wells around the world.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Greene's Energy Groupgreenesenergy.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 285 contacts → |
“Greene’s Energy Group offers a range of support services and products to the oil and gas industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 | 191 contacts → |
“Getting it done right.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Zentech Incorporatedzentech-usa.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 181 contacts → |
“Zentech, Inc, an engineering consulting and software development company, headquartered in Houston, TX, is comprised of experienced professionals specializing in providing…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Perc Engineeringperc-eng.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 124 contacts → |
“PERC Engineering is a full-service engineering & project management firm in the oil & gas energy sector.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Edge Engineering And Science, LLCedge-es.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 116 contacts → |
“Edge Engineering & Science, LLC (EDGE) is a privately owned professional services firm headquartered in Houston, Texas.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Bedrockbedrockpcl.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 115 contacts → |
“Bedrock Petroleum Consultants was formed in 2011 with the goal of providing the highest level of quality service to both our consultants and operator clients.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ryder Scott Co. L.Pryderscott.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 109 contacts → |
“Ryder Scott Company, L.P.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Enertia Softwareenertia-software.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 108 contacts → |
“Enertia Software continues to lead the upstream oil and gas industry with integrated enterprise solutions for the upstream oil and gas industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Moduspecmoduspec.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 101 contacts → |
“ModuSpec first introduced the concept of rig inspection to the market in 1986 and since then, has been providing unrivalled expertise and assurance to support safe operations…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Stonebridge Consultingsbconsulting.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 101 contacts → |
“Stonebridge Consulting provides business advisory and technology services for next-gen oil and gas.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Upstream International LLCupstreaminternational.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 87 contacts → |
“Upstream International provides drilling, completions/work-over, directional, MWD, safety, fluids and MPD professionals to the oil and gas industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Strategy Engineering And Consulting, LLCstrategyeng.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 76 contacts → |
“Strategy Engineering is a privately-owned technical services company located within the Energy Corridor in Houston, TX.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Pinnacle Engineeringpinnacleengr.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 62 contacts → |
“Since 1993, Pinnacle has remained focused on providing practical and complete engineering services to the offshore oil and gas industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | F&c Engineersfcengr.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 60 contacts → |
“F&C Engineers provides full services from concept to start up for the oil and gas upstream, midstream, and turbomachinery industries.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 337 company matches
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Petroleum engineering firms: dataset insights
September 17, 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
337 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 Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 337 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: September 17, 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 ↗
Petroleum engineering firms by metro in the United States
Questions about this company list
What does Exact match mean for petroleum engineering firms?
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 petroleum engineering firms did RevenueBase find based in Houston, United States?
The saved snapshot records 337 matching company records, 78,909 tracked contacts and 21,727 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: September 17, 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 petroleum engineering firms based in Houston, United States. Snapshot: September 17, 2026. https://revenuebase.ai/companies/petroleum-engineering-firms/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Petroleum engineering firms based in Dallas, United States
- Petroleum engineering firms based in Denver, United States
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