Company lists · Data refreshed November 2026

Top 25 Oil and gas valuation firms worldwide

RevenueBase identified 1,474 company matches for oil and gas valuation firms worldwide as of November 2026 and tracks 15,784 professional contacts across them, including 3,474 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for oil and gas valuation 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 November 4, 2026. Country and city lists for oil and gas valuation 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 4, 2026 How this list was built
1,474Companies
15,784Contacts tracked
3,474Verified emails
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The 25 largest oil and gas valuation firms worldwide

Ranked by team size
Top 25 of 1,474 company matches for oil and gas valuation firms worldwide, 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 matchDallas, TX, United StatesHQ recorded Nov 4, 2026501-1,000727 contacts →

Exact match

“BBG is a nationally recognized valuation and assessment firm with a reputation for personal attention, deep industry experience, and a proactive approach to meet client deadlines.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Nov 4, 2026201-500380 contacts →

Exact match

“VRC is a full-service, independent, global valuation firm.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchDallas, United StatesHQ recorded Nov 4, 2026201-500284 contacts →

Exact match

“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchMoscow City, RussiaHQ recorded Nov 4, 20261,001-5,000222 contacts →

Exact match

“Zarubezhneft” has a considerable scientific and technological potential that enables it to provide sophisticated full-cycle operations – from designing advanced computer-based…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchLos Angeles, CA, United StatesHQ recorded Nov 4, 2026201-500168 contacts →

Exact match

“Marshall & Stevens has been a leader in the valuation and appraisal industry since its founding in 1932.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchSan Juan De Alicante, SpainHQ recorded Nov 4, 202651-200163 contacts →

Exact match

“EUROVAL, marca y denominación comercial de Eurovaloraciones, S.A, es una Sociedad de referencia en el sector español de la Tasación y una de las firmas independientes con más…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchPlano, United StatesHQ recorded Nov 4, 202651-200133 contacts →

Exact match

“PetroTel is recognized worldwide as an industry leader in enhanced oil recovery, reservoir characterization and simulation, coalbed methane, production, and exploration…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchTyler, TX, United StatesHQ recorded Nov 4, 202651-200131 contacts →

Exact match

“Welcome to SDS Petroleum Consultants company page In Scott Stovall founded SDS Petroleum Consultants L.L.C.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchIstanbul, TürkiyeHQ recorded Nov 4, 2026201-500128 contacts →

Exact match

“Founded in 2005, Denge Değerleme provides fast and internationally standardized solutions with its experienced experts, scientific methods, and advanced technological…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 4, 202651-200109 contacts →

Exact match

“Beicip-Franlab Asia (formerly known as BeicipTecsol) is a petroleum consulting, training provider and software solutions company covering activities from exploration to…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 4, 2026501-1,000103 contacts →

Exact match

“Sabah International Petroleum Sdn Bhd”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchNew York, MA, United StatesHQ recorded Nov 4, 202651-20098 contacts →

Exact match

“Welcome to Empire Valuation Consultants Since our founding in 1988, we have grown into one of the nation’s leading and most respected independent valuation consulting firms.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchDubai, United Arab EmiratesHQ recorded Nov 4, 202611-5075 contacts →

Exact match

“Windmills is a leading asset valuation, building consulting, and management advisory services group in the United Arab Emirates.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchالرياض, Saudi ArabiaHQ recorded Nov 4, 202651-20068 contacts →

Exact match

“باركود هي شركة متخصصة في تقييم وتثمين الأصول Barcode is a company specializing in the Valuation of assets مقر الشركة الرياض طريق الامام سعود بن عبدالعزيز بن محمد الفرعي، النزهة…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchQuito, EcuadorHQ recorded Nov 4, 202651-20064 contacts →

Exact match

“Necesitas un socio estratégico en la gestión y valoración de tus activos empresariales?”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchManagua, NicaraguaHQ recorded Nov 4, 202611-5059 contacts →

Exact match

“Somos una empresa especializada en la valuación de bienes y empresas en marcha.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchWan Chai, Hong KongHQ recorded Nov 4, 202651-20057 contacts →

Exact match

“Roma Group Limited (together with its subsidiaries, “ROMA” hereafter) is a Hong Kong listed company (HKEx Stock Code: 8072).”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchBogota, ColombiaHQ recorded Nov 4, 202651-20056 contacts →

Exact match

“LOGAN Valuation is a real estate valuation and consulting firm operating across Latin America, providing independent analysis for institutional clients including real estate…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchWarsaw, PolandHQ recorded Nov 4, 202651-20055 contacts →

Exact match

“Emmerson Evaluation Sp.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchSantiago, ChileHQ recorded Nov 4, 202611-5054 contacts →

Exact match

“Valuaciones es una compañía que participa activamente en el rubro de las tasaciones y valoración de todo tipo de bienes en Chile, así como también en consultoría, estudios y…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchCotia, BrazilHQ recorded Nov 4, 202611-5053 contacts →

Exact match

“O Grupo Advanced Appraisal é a maior organização mundial em Engenharia de Avaliações e Gestão Patrimonial.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23Exact matchDubai, United Arab EmiratesHQ recorded Nov 4, 2026201-50053 contacts →

Exact match

“Established in 1977, Reliant Surveyors is one of the highly reputed independent and professional firm specializing in Valuation.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 4, 202611-5051 contacts →

Exact match

“PT.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25Exact matchGurgaon, NY, IndiaHQ recorded Nov 4, 202611-5050 contacts →

Exact match

“Finvox Analytics is a valuation and transaction advisory firm.”

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

Showing 25 of 1,474 oil and gas valuation firms worldwide

See the full list, filter by size, metro and specialty, and access 3,474 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas valuation firms worldwide at a glance

As of Nov 4, 2026
22.0%Verified-email coverage
10.7Average contacts per company
1-10Median size (employees)
4.5%Largest-city concentration · Houston
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
889
11-50
399
51-200
134
201-500
31
501-1,000
3
1,001-5,000
4
5,001-10,000
2

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 oil and gas valuation firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “oil and gas valuation 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 3,474 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.

Oil and gas valuation firms by location

8 lists · largest first

Every Oil and gas valuation firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “oil and gas valuation firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas valuation firms are there worldwide?

RevenueBase identified 1,474 company matches for oil and gas valuation firms worldwide 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?

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

Which country has the most oil and gas valuation firms?

The United States leads with 457 companies, followed by India (76) and Brazil (59). Every oil and gas valuation firms list by country and city is linked on this page.

Which city has the most oil and gas valuation firms?

Houston leads with 67 company records, followed by Calgary (33) and Sao Paulo (25).

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 3,474 professional contacts with verified work emails tracked across these 1,474 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.