Company lists · Data refreshed September 2026
Top 25 Reservoir engineering consulting firms worldwide
RevenueBase identified 2,185 company matches for reservoir engineering consulting firms worldwide as of September 2026 and tracks 93,687 professional contacts across them, including 27,435 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for reservoir engineering consulting firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026. Country and city lists for reservoir engineering consulting firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest reservoir engineering consulting firms worldwide
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 29, 2026 · View company records in RevenueBase | |||||
| 2 | 6,113 contacts → | ||||
Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 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 29, 2026 · View company records in RevenueBase | |||||
| 4 | 1,088 contacts → | ||||
Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 933 contacts → | ||||
Exact match “Excellence Logging is an established energy services provider focused on optimizing well performance.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 768 contacts → | ||||
Exact match “AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 709 contacts → | ||||
Exact match “Over six decades offering our consultancy services locally and internationally, based on ethical principles and commitments, always through honest, socially responsible actions…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 700 contacts → | ||||
Exact match “EDG Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 648 contacts → | ||||
Exact match “KBR Consulting is one of the world's foremost engineering consultancies specializing in the hydrocarbon and energy industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 479 contacts → | ||||
Exact match “Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 424 contacts → | ||||
Exact match “HH Angus Corporate Overview HH Angus and Associates Limited was founded in 1919 and today is one of Canada’s larger private engineering firms.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 420 contacts → | ||||
Exact match “ReCon was established in 1995 and has matured as a high quality and competitive engineering consulting firm providing engineering design and project management services to the…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 390 contacts → | ||||
Exact match “NEO2 is an Engineering Consultancy and Resource Provider active in the Oil & Gas, Water Treatment & Desalination, and Power Generation industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 344 contacts → | ||||
Exact match “Es una compañía de servicios creada en el año 2009 para trabajar en el upstream de la industria petrolera.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 313 contacts → | ||||
Exact match “Ghods-Niroo Engineers Company (GNEC) with about 30 years of experience in consultation industry is one of the leaders of this industry in power and water sections of the country.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 311 contacts → | ||||
Exact match “Ardaman & Associates, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 300 contacts → | ||||
Exact match “ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 268 contacts → | ||||
Exact match “Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 267 contacts → | ||||
Exact match “Innovators in Simulation Technology CMG is a global software and consulting company that combines science and technology with deep industry expertise to solve complex subsurface…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 263 contacts → | ||||
Exact match “New technologies developed by the research and product development teams of Rock Flow Dynamics are integrated into the company’s flagship product – tNavigator.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 259 contacts → | ||||
Exact match “Established in 1974, INTERA is a geosciences and engineering consulting firm focused on providing water resources and supply, environmental, mining, radioactive waste isolation…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 253 contacts → | ||||
Exact match “For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 243 contacts → | ||||
Exact match “Paterson & Cooke is a global mining consulting firm renowned and trusted for its expertise in a wide range of areas that include tailings and mine waste handling, long distance…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 235 contacts → | ||||
Exact match “Pt singgar mulia, engineering consultant in oil, gas and energy industry” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 231 contacts → | ||||
Exact match “For more than 30 years we have been a reliable partner in the oil and gas industry.” Recorded in the RevenueBase company graph · Sep 29, 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 “reservoir engineering consulting 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 2,185 reservoir engineering consulting firms worldwide
See the full list, filter by size, metro and specialty, and access 27,435 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Reservoir engineering consulting firms worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for reservoir engineering consulting firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “reservoir engineering consulting 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. 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 27,435 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 29, 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.
Reservoir engineering consulting firms by location
14 lists · largest firstEvery Reservoir engineering consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Reservoir engineering consulting firms based in the United States633
- Reservoir engineering consulting firms based in Canada179
- Reservoir engineering consulting firms based in the United Kingdom128
- Reservoir engineering consulting firms based in France77
- Reservoir engineering consulting firms based in Brazil67
- Reservoir engineering consulting firms based in Australia61
- Reservoir engineering consulting firms based in India55
- Reservoir engineering consulting firms based in Mexico31
- Reservoir engineering consulting firms based in the United Arab Emirates31
- Reservoir engineering consulting firms based in Argentina29
- Reservoir engineering consulting firms based in Norway25
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “reservoir engineering consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many reservoir engineering consulting firms are there worldwide?
RevenueBase identified 2,185 company matches for reservoir engineering consulting firms worldwide 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 country has the most reservoir engineering consulting firms?
The United States leads with 633 companies, followed by Canada (179) and the United Kingdom (128). Every reservoir engineering consulting firms list by country and city is linked on this page.
Which city has the most reservoir engineering consulting firms?
Houston leads with 154 company records, followed by Calgary (115) and Tehran (35).
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 27,435 professional contacts with verified work emails tracked across these 2,185 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,185 reservoir engineering consulting firms worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 reservoir engineering consulting firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,185 matching company records for reservoir engineering consulting firms worldwide, with 93,687 tracked contacts and 27,435 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 29, 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 reservoir engineering consulting firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Terraconterracon.comHQ: Olathe, KS, United StatesReported employees: 5,001-10,000 | Olathe, KS, United States | 5,001-10,000 | Exact match | 6,113 contacts → |
“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Barr Engineering CObarr.comHQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Excellence Loggingexlog.comHQ: London W2 2es, United KingdomReported employees: 1,001-5,000 | London W2 2es, United Kingdom | 1,001-5,000 | Exact match | 933 contacts → |
“Excellence Logging is an established energy services provider focused on optimizing well performance.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  AGRagr.comHQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 768 contacts → |
“AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Integral S.A. Ingenieros Consultoresintegral.com.coHQ: Medellín | Bogotá | Lima | Miami | Nueva Delhi, ColombiaReported employees: 1,001-5,000 | Medellín | Bogotá | Lima | Miami | Nueva Delhi, Colombia | 1,001-5,000 | Exact match | 709 contacts → |
“Over six decades offering our consultancy services locally and internationally, based on ethical principles and commitments, always through honest, socially responsible actions…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  EDGedg.netHQ: Metairie, LA, United StatesReported employees: 501-1,000 | Metairie, LA, United States | 501-1,000 | Exact match | 700 contacts → |
“EDG Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  KBR Granhernekbr.comHQ: Leatherhead, United KingdomReported employees: 501-1,000 | Leatherhead, United Kingdom | 501-1,000 | Exact match | 648 contacts → |
“KBR Consulting is one of the world's foremost engineering consultancies specializing in the hydrocarbon and energy industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Anchor QEAanchorqea.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 479 contacts → |
“Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  H.H. Angus & Associates LTDhhangus.comHQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 424 contacts → |
“HH Angus Corporate Overview HH Angus and Associates Limited was founded in 1919 and today is one of Canada’s larger private engineering firms.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Recon Management Services, INCrecon-group.comHQ: Sulphur, LA, United StatesReported employees: 501-1,000 | Sulphur, LA, United States | 501-1,000 | Exact match | 420 contacts → |
“ReCon was established in 1995 and has matured as a high quality and competitive engineering consulting firm providing engineering design and project management services to the…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Neo2neo2.euHQ: Levallois-perret, FranceReported employees: 501-1,000 | Levallois-perret, France | 501-1,000 | Exact match | 390 contacts → |
“NEO2 is an Engineering Consultancy and Resource Provider active in the Oil & Gas, Water Treatment & Desalination, and Power Generation industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Prodengprodeng.com.arHQ: Allen, ArgentinaReported employees: 201-500 | Allen, Argentina | 201-500 | Exact match | 344 contacts → |
“Es una compañía de servicios creada en el año 2009 para trabajar en el upstream de la industria petrolera.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ghods Niroo Engineering Company Gnecghods-niroo.com HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 313 contacts → |
“Ghods-Niroo Engineers Company (GNEC) with about 30 years of experience in consultation industry is one of the leaders of this industry in power and water sections of the country.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ardaman & Associatesardaman.comHQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 311 contacts → |
“Ardaman & Associates, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Asian Energy Services Limitedasianenergy.comHQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 300 contacts → |
“ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Degolyer And Macnaughtondemac.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 268 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Computer Modelling Groupcmgl.caHQ: Calgary, AB, CanadaReported employees: 201-500 | Calgary, AB, Canada | 201-500 | Exact match | 267 contacts → |
“Innovators in Simulation Technology CMG is a global software and consulting company that combines science and technology with deep industry expertise to solve complex subsurface…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Rock Flow Dynamicsrfdyn.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 263 contacts → |
“New technologies developed by the research and product development teams of Rock Flow Dynamics are integrated into the company’s flagship product – tNavigator.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Intera Incorporatedintera.comHQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 259 contacts → |
“Established in 1974, INTERA is a geosciences and engineering consulting firm focused on providing water resources and supply, environmental, mining, radioactive waste isolation…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  M&hmhes.comHQ: Spring, TX, United StatesReported employees: 201-500 | Spring, TX, United States | 201-500 | Exact match | 253 contacts → |
“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Paterson & Cookepatersoncooke.comHQ: Cape Town, South AfricaReported employees: 201-500 | Cape Town, South Africa | 201-500 | Exact match | 243 contacts → |
“Paterson & Cooke is a global mining consulting firm renowned and trusted for its expertise in a wide range of areas that include tailings and mine waste handling, long distance…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  PT Singgar Muliasinggarmulia.comHQ: Jakarta Selatan, IndonesiaReported employees: 501-1,000 | Jakarta Selatan, Indonesia | 501-1,000 | Exact match | 235 contacts → |
“Pt singgar mulia, engineering consultant in oil, gas and energy industry” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Clear Petroleumclear.com.arHQ: Buenos Aires, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, Argentina | 1,001-5,000 | Exact match | 231 contacts → |
“For more than 30 years we have been a reliable partner in the oil and gas industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,185 company matches
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Reservoir engineering consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,180 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,185 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 29, 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 ↗
Reservoir engineering consulting firms by location
14 lists · largest firstEvery Reservoir engineering consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Reservoir engineering consulting firms based in the United States633
- Reservoir engineering consulting firms based in Canada179
- Reservoir engineering consulting firms based in the United Kingdom128
- Reservoir engineering consulting firms based in France77
- Reservoir engineering consulting firms based in Brazil67
- Reservoir engineering consulting firms based in Australia61
- Reservoir engineering consulting firms based in India55
- Reservoir engineering consulting firms based in Mexico31
- Reservoir engineering consulting firms based in the United Arab Emirates31
- Reservoir engineering consulting firms based in Argentina29
- Reservoir engineering consulting firms based in Norway25
Cities
Questions about this company list
What does Exact match mean for reservoir engineering consulting 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 reservoir engineering consulting firms did RevenueBase find worldwide?
The saved snapshot records 2,185 matching company records, 93,687 tracked contacts and 27,435 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 29, 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 reservoir engineering consulting firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/reservoir-engineering-consulting-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 reservoir engineering consulting firms worldwide
RevenueBase records 2,185 matching company records for reservoir engineering consulting firms worldwide, with 93,687 tracked contacts and 27,435 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 29, 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 reservoir engineering consulting firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Terraconterracon.com HQ: Olathe, KS, United StatesReported employees: 5,001-10,000 | Olathe, KS, United States | 5,001-10,000 | Exact match | 6,113 contacts → |
“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Barr Engineering CObarr.com HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Excellence Loggingexlog.com HQ: London W2 2es, United KingdomReported employees: 1,001-5,000 | London W2 2es, United Kingdom | 1,001-5,000 | Exact match | 933 contacts → |
“Excellence Logging is an established energy services provider focused on optimizing well performance.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AGRagr.com HQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 768 contacts → |
“AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Integral S.A. Ingenieros Consultoresintegral.com.co HQ: Medellín | Bogotá | Lima | Miami | Nueva Delhi, ColombiaReported employees: 1,001-5,000 | Medellín | Bogotá | Lima | Miami | Nueva Delhi, Colombia | 1,001-5,000 | Exact match | 709 contacts → |
“Over six decades offering our consultancy services locally and internationally, based on ethical principles and commitments, always through honest, socially responsible actions…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | EDGedg.net HQ: Metairie, LA, United StatesReported employees: 501-1,000 | Metairie, LA, United States | 501-1,000 | Exact match | 700 contacts → |
“EDG Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | KBR Granhernekbr.com HQ: Leatherhead, United KingdomReported employees: 501-1,000 | Leatherhead, United Kingdom | 501-1,000 | Exact match | 648 contacts → |
“KBR Consulting is one of the world's foremost engineering consultancies specializing in the hydrocarbon and energy industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Anchor QEAanchorqea.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 479 contacts → |
“Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | H.H. Angus & Associates LTDhhangus.com HQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 424 contacts → |
“HH Angus Corporate Overview HH Angus and Associates Limited was founded in 1919 and today is one of Canada’s larger private engineering firms.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Recon Management Services, INCrecon-group.com HQ: Sulphur, LA, United StatesReported employees: 501-1,000 | Sulphur, LA, United States | 501-1,000 | Exact match | 420 contacts → |
“ReCon was established in 1995 and has matured as a high quality and competitive engineering consulting firm providing engineering design and project management services to the…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Neo2neo2.eu HQ: Levallois-perret, FranceReported employees: 501-1,000 | Levallois-perret, France | 501-1,000 | Exact match | 390 contacts → |
“NEO2 is an Engineering Consultancy and Resource Provider active in the Oil & Gas, Water Treatment & Desalination, and Power Generation industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Prodengprodeng.com.ar HQ: Allen, ArgentinaReported employees: 201-500 | Allen, Argentina | 201-500 | Exact match | 344 contacts → |
“Es una compañía de servicios creada en el año 2009 para trabajar en el upstream de la industria petrolera.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ghods Niroo Engineering Company Gnecghods-niroo.com HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 313 contacts → |
“Ghods-Niroo Engineers Company (GNEC) with about 30 years of experience in consultation industry is one of the leaders of this industry in power and water sections of the country.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ardaman & Associatesardaman.com HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 311 contacts → |
“Ardaman & Associates, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Asian Energy Services Limitedasianenergy.com HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 300 contacts → |
“ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Degolyer And Macnaughtondemac.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 268 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Computer Modelling Groupcmgl.ca HQ: Calgary, AB, CanadaReported employees: 201-500 | Calgary, AB, Canada | 201-500 | Exact match | 267 contacts → |
“Innovators in Simulation Technology CMG is a global software and consulting company that combines science and technology with deep industry expertise to solve complex subsurface…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Rock Flow Dynamicsrfdyn.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 263 contacts → |
“New technologies developed by the research and product development teams of Rock Flow Dynamics are integrated into the company’s flagship product – tNavigator.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Intera Incorporatedintera.com HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 259 contacts → |
“Established in 1974, INTERA is a geosciences and engineering consulting firm focused on providing water resources and supply, environmental, mining, radioactive waste isolation…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | M&hmhes.com HQ: Spring, TX, United StatesReported employees: 201-500 | Spring, TX, United States | 201-500 | Exact match | 253 contacts → |
“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Paterson & Cookepatersoncooke.com HQ: Cape Town, South AfricaReported employees: 201-500 | Cape Town, South Africa | 201-500 | Exact match | 243 contacts → |
“Paterson & Cooke is a global mining consulting firm renowned and trusted for its expertise in a wide range of areas that include tailings and mine waste handling, long distance…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PT Singgar Muliasinggarmulia.com HQ: Jakarta Selatan, IndonesiaReported employees: 501-1,000 | Jakarta Selatan, Indonesia | 501-1,000 | Exact match | 235 contacts → |
“Pt singgar mulia, engineering consultant in oil, gas and energy industry” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Clear Petroleumclear.com.ar HQ: Buenos Aires, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, Argentina | 1,001-5,000 | Exact match | 231 contacts → |
“For more than 30 years we have been a reliable partner in the oil and gas industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Reservoir engineering consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,180 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,185 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 29, 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 ↗
Reservoir engineering consulting firms by location
14 lists · largest firstEvery Reservoir engineering consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Reservoir engineering consulting firms based in the United States633
- Reservoir engineering consulting firms based in Canada179
- Reservoir engineering consulting firms based in the United Kingdom128
- Reservoir engineering consulting firms based in France77
- Reservoir engineering consulting firms based in Brazil67
- Reservoir engineering consulting firms based in Australia61
- Reservoir engineering consulting firms based in India55
- Reservoir engineering consulting firms based in Mexico31
- Reservoir engineering consulting firms based in the United Arab Emirates31
- Reservoir engineering consulting firms based in Argentina29
- Reservoir engineering consulting firms based in Norway25
Cities
Questions about this company list
What does Exact match mean for reservoir engineering consulting 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 reservoir engineering consulting firms did RevenueBase find worldwide?
The saved snapshot records 2,185 matching company records, 93,687 tracked contacts and 27,435 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 29, 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.
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Cite this list
RevenueBase Data Team. Top 25 reservoir engineering consulting firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/reservoir-engineering-consulting-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗