Company lists · Data refreshed November 2026

Top 25 Refinery services companies worldwide

Name: Refinery services companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 6,322 companies tracked

RevenueBase identified 6,322 company matches for refinery services companies worldwide as of November 2026 and tracks 387,138 professional contacts across them, including 66,782 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for refinery services companies 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 refinery services companies 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

6,322Companies

387,138Contacts tracked

66,782Verified emails

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The 25 largest refinery services companies worldwide

Ranked by team size

Top 25 of 6,322 company matches for refinery services companies 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	Bharat Petroleum Corporation Limited	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	10001+	19,709 contacts →
	Exact match “Fortune Global 500 Company, Bharat Petroleum is the second largest Indian Oil Marketing Company and one of the premier integrated energy companies in India, engaged in refining of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Marathon Petroleum Corporation	Exact match	Findlay, OH, United StatesHQ recorded Nov 6, 2026	10001+	15,043 contacts →
	Exact match “Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream and midstream energy company headquartered in Findlay, Ohio.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Valero	Exact match	San Antonio, United StatesHQ recorded Nov 6, 2026	10001+	9,942 contacts →
	Exact match “Valero is an international manufacturer and marketer of transportation fuels and petrochemical products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Turner Industries	Exact match	Baton Rouge, LA, United StatesHQ recorded Nov 6, 2026	10001+	8,559 contacts →
	Exact match “Turner Industries provides a single solution in heavy industrial construction, maintenance, turnaround, pipe and module fabrication, equipment, rigging and specialized…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Nov 6, 2026	10001+	7,226 contacts →
	Exact match “Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	CITGO	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,413 contacts →
	Exact match “CITGO Petroleum Corporation is a recognized leader in the refining industry and operates under the well-known CITGO brand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Imperial OIL	Exact match	Calgary, AB, CanadaHQ recorded Nov 6, 2026	5,001-10,000	4,411 contacts →
	Exact match “After more than a century, Imperial continues to be an industry leader in applying technology and innovation to responsibly develop Canada’s energy resources.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	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
9	PT Elnusa TBK	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	4,263 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 · Nov 6, 2026 · View company records in RevenueBase
10	STORK	Exact match	Utrecht, NetherlandsHQ recorded Nov 6, 2026	10001+	4,163 contacts →
	Exact match “Stork is a global provider of integrated operations, maintenance, modification and asset integrity solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	CBSI	Exact match	Volta Redonda, BrazilHQ recorded Nov 6, 2026	10001+	4,135 contacts →
	Exact match “Somos a CBSI!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Saudi Aramco Total Refining And Petrochemical Company Satorp	Exact match	Jubail, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	3,441 contacts →
	Exact match “The Saudi Aramco Total Refining and Petrochemical Company (SATORP) is one of the most advanced refineries in the world, with a processing capacity of barrels per day of Arabian…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Brock Group	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	10001+	3,364 contacts →
	Exact match “The Brock Group is a leading provider of industrial specialty services to clients around the world, with headquarters in Houston, TX, and operating units in Canada, the United…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Flint Hills Resources	Exact match	Wichita, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,001 contacts →
	Exact match “Flint Hills Resources is a leading refining company with operations primarily in the Midwest and Texas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Safety-Kleen	Exact match	Plano, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,988 contacts →
	Exact match “Safety-Kleen is a leading environmental services company engaged in used oil recycling and refining (EcoPower brand), parts cleaning and other responsible environmental solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,955 contacts →
	Exact match “Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Kaefer	Exact match	Bremen, GermanyHQ recorded Nov 6, 2026	10001+	2,916 contacts →
	Exact match “For over a century, KAEFER has been helping clients to protect and extend the life of their most valuable assets, while ensuring operational efficiency and the smooth delivery of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Brand Energy & Infrastructure Services	Exact match	Judet, United KingdomHQ recorded Nov 6, 2026	10001+	2,842 contacts →
	Exact match “Brand Energy & Infrastructure Services supports customers’ maintenance, turnaround and refurbishment needs as well as new construction, capital-driven upgrades and expansion…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Motiva Enterprises LLC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,765 contacts →
	Exact match “Headquartered in Houston, Texas, Motiva refines, distributes and markets petroleum products throughout the Americas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Grupo NPE	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	5,001-10,000	2,675 contacts →
	Exact match “O Grupo NPE oferece serviços de manutenção industrial, montagem eletromecânica, locações de equipamentos e fabricação industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Qatar Engineering & Construction Company W.L.L	Exact match	Ras Laffan Industrial City (rlic), QatarHQ recorded Nov 6, 2026	5,001-10,000	2,486 contacts →
	Exact match “Qatar Engineering & Construction Company (Qcon) is the leading National EPC & Maintenance Contractor in the Oil & Gas, Petrochemical, Fertilizer and Power industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Montcalm Montagens Industriais	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,431 contacts →
	Exact match “Fundada em 1971, a Montcalm tem como missão, oferecer soluções de engenharia construtiva para implantação, ampliação e manutenção de indústrias de processos, sempre com o…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	HF Sinclair	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,415 contacts →
	Exact match “Headquartered in Dallas, Texas, HF Sinclair Corporation is an independent, diversified energy company committed to safely producing products that power the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Oilserv	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	2,408 contacts →
	Exact match “OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	PT Kilang Pertamina Internasional	Exact match	Jakarta, IndonesiaHQ recorded Nov 6, 2026	501-1,000	2,375 contacts →
	Exact match “Refining & Petrochemicals Business Group of Pertamina” 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 “refinery services companies”. 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 6,322 refinery services companies worldwide

See the full list, filter by size, metro and specialty, and access 66,782 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Refinery services companies worldwide at a glance

As of Nov 6, 2026

17.3%Verified-email coverage

61.2Average contacts per company

11-50Median size (employees)

2.3%Largest-city concentration · Houston

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

1,545

11-50

2,157

51-200

1,387

201-500

568

501-1,000

256

1,001-5,000

269

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 refinery services companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “refinery services companies” 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 66,782 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.

Refinery services companies by location

41 lists · largest first

Every Refinery services companies 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 “refinery services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many refinery services companies are there worldwide?

RevenueBase identified 6,322 company matches for refinery services companies 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?

Bharat Petroleum Corporation Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most refinery services companies?

The United States leads with 1,271 companies, followed by Brazil (370) and India (260). Every refinery services companies list by country and city is linked on this page.

Which city has the most refinery services companies?

Houston leads with 143 company records, followed by Tehran (96) and Dubai (74).

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 66,782 professional contacts with verified work emails tracked across these 6,322 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.