Company lists · Data refreshed November 2026

Top 22 Oil and gas reservoir engineers based in Houston, United States

RevenueBase identified 108 company matches for oil and gas reservoir engineers associated with Houston, United States as of November 2026 and tracks 3,528 professional contacts across them, including 1,079 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for oil and gas reservoir engineers 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 November 4, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 4, 2026 How this list was built
108Companies
3,528Contacts tracked
1,079Verified emails
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The 22 largest oil and gas reservoir engineers based in Houston, United States

Ranked by team size
Top 22 of 108 company matches for oil and gas reservoir engineers based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Nov 4, 20261,001-5,0001,601 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 · Nov 4, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202651-200117 contacts →

Exact match

“Ryder Scott Company, L.P.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5068 contacts →

Exact match

“NuTech is an upstream reservoir solutions company specializing in creating strategies to value, manage, and act on assets in all phases of the reservoir life cycle.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5035 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5034 contacts →

Exact match

“Seismic Imaging & Reservoir Services & Petrophysics”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202651-20026 contacts →

Exact match

“A premier Petroleum Engineering firm merging the Reservoir Engineering expertise of W.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5026 contacts →

Exact match

“Specializing in helping exploration & production companies design, implement and sustain risk analysis systems for enhanced predictive and financial performance.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5024 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5024 contacts →

Exact match

“QED Energy Associates proudly provides excellence in reservoir engineering technician services.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5019 contacts →

Exact match

“ResMetrics helps operators better understand completion performance by connecting completion data, diagnostics, and insights to more confident decisions across the entire program.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5018 contacts →

Exact match

“Lucas W Bazan founded Bazan Consulting, Inc.(BCI) in April 2008.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5018 contacts →

Exact match

“TASK FRONTERRA is a leading international and independent provider of high-end GEOSCIENCE and ENGINEERING SERVICES, offering exploration, appraisal and developmental services for…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5017 contacts →

Exact match

“ODSI is a consulting company to the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5017 contacts →

Exact match

“Miller and Lents is a leading international oil and gas consulting firm offering services and expertise in virtually all phases of the upstream petroleum industry.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202651-20016 contacts →

Exact match

“HPO GLOBAL RESOURCES VENTURES (INC.)(HPO Global) is the consulting arm of a group of Companies established in 2001 by a group of professionals with over 250 cumulative years of…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202651-20013 contacts →

Exact match

“SL GLOBAL Energy is an Oilfield consulting group focused on technical consulting and project management for exploration and production.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchHouston, United StatesHQ recorded Nov 4, 202611-5011 contacts →

Exact match

“Founded in 2012 by Ralph Doughty, Partners In Drilling is an independent consulting firm with over 100 years of staff experience and a proven track record of providing worldwide…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-5010 contacts →

Exact match

“Pangea Geoscience LLC offers a dedicated team with collectively more than 80 years of experience in integration of geology and engineering.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-508 contacts →

Exact match

“Resolution Energy Services provides staff and consulting services to the upstream oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-506 contacts →

Exact match

“SCM provides E&P consulting, training, and management services for the upstream oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Nov 4, 20261-105 contacts →

Exact match

“Core Spec Alliance was founded in 2019 by Michael Santiago to provide core measurements for exploratory analysis on conventional and unconventional reservoir evaluation.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202611-505 contacts →

Exact match

“Floris is a boutique oil and gas consultancy focused on creating step change transformations in the performance of producing assets.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 22 of 108 oil and gas reservoir engineers based in Houston, United States

See the full list, filter by size, metro and specialty, and access 1,079 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas reservoir engineers based in Houston, United States at a glance

As of Nov 4, 2026
30.6%Verified-email coverage
32.7Average contacts per company
1-10Median size (employees)
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
63
11-50
34
51-200
7
201-500
3
1,001-5,000
1

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 108 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 “oil and gas reservoir engineers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,079 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 4, 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.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “oil and gas reservoir engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas reservoir engineers are there based in Houston, United States?

RevenueBase identified 108 company matches for oil and gas reservoir engineers associated with Houston, United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Core Laboratories tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most oil and gas reservoir engineers?

Houston leads the United States with 108 company records, followed by Denver (22) and Dallas (17).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,079 professional contacts with verified work emails tracked across these 108 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 4, 2026.

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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.