Company lists · Data refreshed October 2026

Top 25 Downstream oil and gas consultants worldwide

Name: Downstream oil and gas consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 6,513 companies tracked

RevenueBase identified 6,513 company matches for downstream oil and gas consultants worldwide as of October 2026 and tracks 173,702 professional contacts across them, including 27,619 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for downstream oil and gas consultants 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 October 11, 2026. Country and city lists for downstream oil and gas consultants 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 Oct 11, 2026 How this list was built

6,513Companies

173,702Contacts tracked

27,619Verified emails

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The 25 largest downstream oil and gas consultants worldwide

Ranked by team size

Top 25 of 6,513 company matches for downstream oil and gas consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	WOOD	Exact match	Aberdeen, United KingdomHQ recorded Oct 11, 2026	10001+	16,351 contacts →
	Exact match “Wood is a global leader in consulting and engineering, delivering critical solutions across energy and materials markets.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	PT Elnusa TBK	Exact match	Jakarta Selatan, IndonesiaHQ recorded Oct 11, 2026	1,001-5,000	4,167 contacts →
	Exact match “We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3	AYTB	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Oct 11, 2026	5,001-10,000	1,887 contacts →
	Exact match “AYTB had recognized the Saudi Dream 45 years ago when the Royal Commission for Jubail and Yanbu was set up with a vision to build a huge petrochemical industry to catapult Saudi…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	Delek US	Exact match	Brentwood, TN, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,312 contacts →
	Exact match “Delek US is a diversified downstream energy company with assets in petroleum refining, asphalt, renewable fuels, and logistics.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	AL Turki Enterprises L.L.C	Exact match	United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,268 contacts →
	Exact match “At Al Turki’s Oil and Gas Division, we carry out multi-disciplined Engineering Design, Procurement and Construction service in the southern region of Oman with our Off-plot…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	Zuhair Fayez	Exact match	Riyadh, Saudi ArabiaHQ recorded Oct 11, 2026	1,001-5,000	1,116 contacts →
	Exact match “Zuhair Fayez stands as the region's foremost engineering and consulting firm, renowned for our innovative approach in architecture, project management, and oil and gas services.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	Emdad Group	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 11, 2026	1,001-5,000	1,074 contacts →
	Exact match “Emdad LLC is a leading UAE-based service provider in the Oil & Gas sector, delivering integrated solutions that support upstream and downstream operations.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	TGS	Exact match	Comuna 1, ArgentinaHQ recorded Oct 11, 2026	1,001-5,000	1,060 contacts →
	Exact match “Somos la compañía de energía lider en la prestación de servicios integrados en la industria Oil & Gas Nuestros servicios y soluciones permiten integran toda la cadena de valor del…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	CEDA	Exact match	Calgary, AB, CanadaHQ recorded Oct 11, 2026	1,001-5,000	978 contacts →
	Exact match “In a complex and ever-changing world, we’re the ones who get it done.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	Excellence Logging	Exact match	London W2 2es, United KingdomHQ recorded Oct 11, 2026	1,001-5,000	866 contacts →
	Exact match “Excellence Logging is an established energy services provider focused on optimizing well performance.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Capco Energy	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	1,001-5,000	844 contacts →
	Exact match “For 25 years Capco’s Energy practice has combined innovative thinking with deep industry knowledge to provide business consulting, digital transformation and technology services…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	Kbr-Amcde	Exact match	Al-khobar, Saudi ArabiaHQ recorded Oct 11, 2026	501-1,000	841 contacts →
	Exact match “KBR-AMCDE has been successfully delivering engineering solutions in the Kingdom since 2011.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	AGR	Exact match	Oslo, NorwayHQ recorded Oct 11, 2026	501-1,000	813 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 · Oct 11, 2026 · View company records in RevenueBase
14	Blockchain-Startups-Commnunity	Exact match	Vung Tau, VietnamHQ recorded Oct 11, 2026	5,001-10,000	787 contacts →
	Exact match “Exploration and development oilfield” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	EDG	Exact match	Metairie, LA, United StatesHQ recorded Oct 11, 2026	501-1,000	736 contacts →
	Exact match “EDG Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	CTA Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 11, 2026	201-500	665 contacts →
	Exact match “A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	EMEC	Exact match	Cairo, EgyptHQ recorded Oct 11, 2026	501-1,000	664 contacts →
	Exact match “EMEC is a regional oil and gas services company built on more than four decades of operational experience, regional insight, and deep technical expertise.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Anewa Engineering Pvt. LTD	Exact match	Hyderabad, IndiaHQ recorded Oct 11, 2026	501-1,000	646 contacts →
	Exact match “Anewa is an Engineering services provider with multi-disciplinary capabilities in Plant design, Detail engineering, 3D modeling and as built engineering services.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	ACV Tecline Engenharia Ltda	Exact match	Curitiba, BrazilHQ recorded Oct 11, 2026	501-1,000	641 contacts →
	Exact match “A ACV Tecline é uma empresa especializada na prestação de serviços voltados, principalmente, para empresas do setor de energia, com destaque para as áreas de petróleo e gás.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	PT Solusi Energy Nusantara	Exact match	IndonesiaHQ recorded Oct 11, 2026	501-1,000	632 contacts →
	Exact match “PT Solusi Energy Nusantara (SENA) is affiliation of PGN Group, a reputable company which has a core business in natural gas distribution and transmission.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Consultec International INC	Exact match	Miami, FL, United StatesHQ recorded Oct 11, 2026	501-1,000	624 contacts →
	Exact match “Somos una empresa multinacional líder en servicios de Consultoría de Oil & Gas, IT, Ingeniería, Recursos Humanos, Head Hunter y Proyectos” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	Applied Consultants	Exact match	Longview, TX, United StatesHQ recorded Oct 11, 2026	501-1,000	598 contacts →
	Exact match “Since 1991, Applied Consultants Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	Island Operating Company	Exact match	Scott, LA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	580 contacts →
	Exact match “Improving efficiency and reducing costs, all while meeting safety requirements, is the challenge faced by every operator in the oil and gas industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	TR Engineering Consultancy LLC A Tecnicas Reunidas Group Of Companies	Exact match	Alkhuwair, OmanHQ recorded Oct 11, 2026	201-500	570 contacts →
	Exact match “TR Engineering Consultancy LLC, TRE, a member of the Tecnicas Reunidas Group, with a core business focussed on feasibility studies, front end and detailed engineering for upstream…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	Ingenero	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	501-1,000	551 contacts →
	Exact match “Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded in the RevenueBase company graph · Oct 11, 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 “downstream oil and gas consultants”. 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 6,513 downstream oil and gas consultants worldwide

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Downstream oil and gas consultants worldwide at a glance

As of Oct 11, 2026

15.9%Verified-email coverage

26.7Average contacts per company

11-50Median size (employees)

6.0%Largest-city concentration · Houston

Oct 11, 2026Page data refreshed

Companies by employee count

1-10

3,182

11-50

2,020

51-200

857

201-500

253

501-1,000

1,001-5,000

5,001-10,000

10001+

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 downstream oil and gas consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “downstream oil and gas consultants” 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 27,619 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 11, 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.

Downstream oil and gas consultants by location

43 lists · largest first

Every Downstream oil and gas consultants 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 “downstream oil and gas consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many downstream oil and gas consultants are there worldwide?

RevenueBase identified 6,513 company matches for downstream oil and gas consultants worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most downstream oil and gas consultants?

The United States leads with 1,419 companies, followed by the United Kingdom (427) and Canada (342). Every downstream oil and gas consultants list by country and city is linked on this page.

Which city has the most downstream oil and gas consultants?

Houston leads with 391 company records, followed by Calgary (197) and London (110).

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 27,619 professional contacts with verified work emails tracked across these 6,513 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 11, 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.