Company lists · Data refreshed November 2026

Top 25 Refining consultants worldwide

Name: Refining consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 7,820 companies tracked

RevenueBase identified 7,820 company matches for refining consultants worldwide as of November 2026 and tracks 197,149 professional contacts across them, including 32,586 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for refining 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 November 6, 2026. Country and city lists for refining 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 Nov 6, 2026 How this list was built

7,820Companies

197,149Contacts tracked

32,586Verified emails

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The 25 largest refining consultants worldwide

Ranked by team size

Top 25 of 7,820 company matches for refining consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 2026	10001+	16,375 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 · Nov 6, 2026 · View company records in RevenueBase
2	Bilfinger	Exact match	Mannheim, GermanyHQ recorded Nov 6, 2026	10001+	4,349 contacts →
	Exact match “Bilfinger is an international industrial services provider with a vision to be the No.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	AYTB	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Nov 6, 2026	5,001-10,000	2,013 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 · Nov 6, 2026 · View company records in RevenueBase
4	Aarvi Encon	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	5,001-10,000	1,982 contacts →
	Exact match “Aarvi Encon has established it's leadership in providing Engineering Consultancy and Technical Assistance to Oil & Gas, Refinery, Petrochemical, Pipelines, Power & Infrastructure…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Tesoro Corporation	Exact match	San Antonio, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,946 contacts →
	Exact match “Tesoro has acquired Western Refining and adopted a new name, Andeavor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Vulcain Engineering Group	Exact match	Neuilly-sur-seine, FranceHQ recorded Nov 6, 2026	5,001-10,000	1,705 contacts →
	Exact match “Vulcain Engineering Group is a multi-specialist engineering and consulting group serving industrial companies across the globe, focused on critical sectors: energy, health…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Chiyoda Corporation	Exact match	Yokohama, JapanHQ recorded Nov 6, 2026	5,001-10,000	1,702 contacts →
	Exact match “Since its establishment in 1948, Chiyoda's business field has covered the energy sector such as oil and gas industry including energy conservation, and chemicals, environment…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Arabian Pipeline & Services Co. Ltd. Anabeeb	Exact match	Dammam, Saudi ArabiaHQ recorded Nov 6, 2026	5,001-10,000	1,671 contacts →
	Exact match “ANABEEB is on a mission to become the best in the industry, together with our highly-dedicated workforce and global partners, we will deliver added value to our customers without…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	AXENS	Exact match	Rueil-malmaison, TX, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,656 contacts →
	Exact match “The Axens Group offers a complete range of solutions for the conversion of oil and biomass into cleaner fuels, the production and purification of major petrochemical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Attock Refinery Limited	Exact match	Rawalpindi, PakistanHQ recorded Nov 6, 2026	501-1,000	1,362 contacts →
	Exact match “Attock Refinery Limited (ARL) is the pioneer and pacesetter in Pakistan’s petroleum refining sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Chennai Petroleum Corp. LTD Indian OIL	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,249 contacts →
	Exact match “Chennai Petroleum Corporation Limited (CPCL) is a subsidiary of IOCL with world class refining technologies and a dominant presence in South India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	REFIT	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	501-1,000	1,223 contacts →
	Exact match “Inaugurada em 1954, a Refit nasceu para ajudar o Brasil a escrever sua história de sucesso no mercado de petróleo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	National Refinery Limited	Exact match	Karachi, PakistanHQ recorded Nov 6, 2026	1,001-5,000	1,177 contacts →
	Exact match “National Refinery Limited ( NRL ) was incorporated on August 19, 1963 as a public limited company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Zuhair Fayez	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	1,156 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 · Nov 6, 2026 · View company records in RevenueBase
15	Oq8	Exact match	Duqm, OmanHQ recorded Nov 6, 2026	501-1,000	1,040 contacts →
	Exact match “OQ8, a joint venture between Oman’s OQ Group and Kuwait’s Kuwait Petroleum International (KPI), represents a transformative force in the GCC’s oil refining sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Sapref	Exact match	Prospecton, South AfricaHQ recorded Nov 6, 2026	501-1,000	1,002 contacts →
	Exact match “SAPREF is a joint venture between Shell SA Refining and BP Southern Africa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Blockchain-Startups-Commnunity	Exact match	Vung Tau, VietnamHQ recorded Nov 6, 2026	5,001-10,000	803 contacts →
	Exact match “Exploration and development oilfield” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	EDG	Exact match	Metairie, LA, United StatesHQ recorded Nov 6, 2026	501-1,000	750 contacts →
	Exact match “EDG Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Bpcl Kochi Refinery	Exact match	Ernakulam, IndiaHQ recorded Nov 6, 2026	1,001-5,000	729 contacts →
	Exact match “The BPCL Kochi Refinery, embarked on its journey in 1966 with a capacity of barrels per day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	KBR Granherne	Exact match	Leatherhead, United KingdomHQ recorded Nov 6, 2026	501-1,000	717 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 · Nov 6, 2026 · View company records in RevenueBase
21	CTA Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	201-500	694 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 · Nov 6, 2026 · View company records in RevenueBase
22	PT Solusi Energy Nusantara	Exact match	IndonesiaHQ recorded Nov 6, 2026	501-1,000	654 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 · Nov 6, 2026 · View company records in RevenueBase
23	ACV Tecline Engenharia Ltda	Exact match	Curitiba, BrazilHQ recorded Nov 6, 2026	501-1,000	651 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 · Nov 6, 2026 · View company records in RevenueBase
24	Consultec International INC	Exact match	Miami, United StatesHQ recorded Nov 6, 2026	501-1,000	640 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 · Nov 6, 2026 · View company records in RevenueBase
25	Elomatic	Exact match	Turku, FinlandHQ recorded Nov 6, 2026	1,001-5,000	613 contacts →
	Exact match “Elomatic is an international consulting and engineering company that provides top-level expert services, products and turnkey solutions to process, machinery, marine, energy and…” Recorded in the RevenueBase company graph · Nov 6, 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 “refining 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 7,820 refining consultants worldwide

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Refining consultants worldwide at a glance

As of Nov 6, 2026

16.5%Verified-email coverage

25.2Average contacts per company

1-10Median size (employees)

4.0%Largest-city concentration · Houston

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,036

11-50

2,280

51-200

955

201-500

283

501-1,000

112

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 refining consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “refining 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 32,586 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 6, 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.

Refining consultants by location

50 lists · largest first

Every Refining 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 “refining consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many refining consultants are there worldwide?

RevenueBase identified 7,820 company matches for refining consultants 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?

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

Which country has the most refining consultants?

The United States leads with 1,429 companies, followed by India (419) and Brazil (404). Every refining consultants list by country and city is linked on this page.

Which city has the most refining consultants?

Houston leads with 312 company records, followed by Calgary (166) and Tehran (141).

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 32,586 professional contacts with verified work emails tracked across these 7,820 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 6, 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.