Company lists · Data refreshed September 2026

Top 25 Downstream petroleum IT services worldwide

Name: Downstream petroleum IT services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 6,496 companies tracked

RevenueBase identified 6,496 company matches for downstream petroleum IT services worldwide as of September 2026 and tracks 296,967 professional contacts across them, including 51,199 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for downstream petroleum IT services 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 September 28, 2026. Country and city lists for downstream petroleum IT services 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 Sep 28, 2026 How this list was built

6,496Companies

296,967Contacts tracked

51,199Verified emails

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The 25 largest downstream petroleum IT services worldwide

Ranked by team size

Top 25 of 6,496 company matches for downstream petroleum IT services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Halliburton	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	10001+	53,380 contacts →
	Exact match “We collaborate and engineer solutions to maximize asset value for our customers.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Sonatrach	Exact match	Hydra, AlgeriaHQ recorded Sep 28, 2026	10001+	36,135 contacts →
	Exact match “Sonatrach (Société Nationale pour la Recherche, la Production, le Transport, la Transformation, et la Commercialisation des Hydrocarbures s.p.a.) is an Algerian government-owned…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Phillips 66	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	10001+	11,576 contacts →
	Exact match “As a leading integrated downstream energy provider, we power the operations that keep life moving forward.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Copec S.A	Exact match	Las Condes, ChileHQ recorded Sep 28, 2026	1,001-5,000	4,419 contacts →
	Exact match “Desde hace 90 años, Copec está presente en Chile, comercializando, almacenando y distribuyendo combustibles y lubricantes desde Arica a Puerto Williams.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Imperial OIL	Exact match	Calgary, AB, CanadaHQ recorded Sep 28, 2026	5,001-10,000	4,277 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 · Sep 28, 2026 · View company records in RevenueBase
6	PT Elnusa TBK	Exact match	Jakarta Selatan, IndonesiaHQ recorded Sep 28, 2026	1,001-5,000	3,932 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 · Sep 28, 2026 · View company records in RevenueBase
7	Gilbarco Veeder-Root	Exact match	Greensboro, NC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,233 contacts →
	Exact match “Gilbarco Veeder-Root is the global leader in technology solutions, from the forecourt to the c-store.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	KEY Energy Services	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,755 contacts →
	Exact match “Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	OCYAN	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 28, 2026	1,001-5,000	2,427 contacts →
	Exact match “A OCYAN atua há décadas na prestação de serviços para o setor de óleo e gás upstream, estruturando suas operações em três frentes de atuação.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Taqa Industrialization & Energy Services Company	Exact match	Dhahran, Saudi ArabiaHQ recorded Sep 28, 2026	5,001-10,000	2,250 contacts →
	Exact match “TAQA is an international company that offers leading well solutions for the energy industry and is creating value and opportunity for all its stakeholders.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Oilserv	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 28, 2026	1,001-5,000	2,249 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 · Sep 28, 2026 · View company records in RevenueBase
12	EMC Egyptian Maintenance Company	Exact match	New Cairo, EgyptHQ recorded Sep 28, 2026	5,001-10,000	2,003 contacts →
	Exact match “Since its foundation in 1997, EMC has become a well-known maintenance and modification service provider to major oil, gas and petrochemical companies, pipeline and refinery…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Sinopec International Petroleum Service Corporation	Exact match	北京市, ChinaHQ recorded Sep 28, 2026	10001+	1,952 contacts →
	Exact match “Sinopec International Petroleum Service Corporation SSC” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	AYTB	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Sep 28, 2026	5,001-10,000	1,812 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 · Sep 28, 2026 · View company records in RevenueBase
15	OPET	Exact match	Barbaros, TürkiyeHQ recorded Sep 28, 2026	501-1,000	1,760 contacts →
	Exact match “OPET Petrolcülük A.Ş.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Arabian Pipeline & Services Co. Ltd. Anabeeb	Exact match	Dammam, Saudi ArabiaHQ recorded Sep 28, 2026	5,001-10,000	1,587 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 · Sep 28, 2026 · View company records in RevenueBase
17	Tp-Otc	Exact match	Çankaya, TürkiyeHQ recorded Sep 28, 2026	501-1,000	1,501 contacts →
	Exact match “TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	ANTON	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 28, 2026	5,001-10,000	1,407 contacts →
	Exact match “Anton Oilfield Services Group (hereinafter as “Anton”) is the world's leading integrated oilfield technology service company that provides clients with a full range of products…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Arabian Industries	Exact match	Alkhuwair, OmanHQ recorded Sep 28, 2026	10001+	1,329 contacts →
	Exact match “We deliver engineered solutions for the oil, gas and industrialised sectors through our manufacturing, EPC Projects, Maintenance & Turnarounds, Logistics & Rig Moving and Support…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Delek US	Exact match	Brentwood, TN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,297 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 · Sep 28, 2026 · View company records in RevenueBase
21	Cudd Energy Services	Exact match	The Woodlands, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,285 contacts →
	Exact match “Cudd offers a broad range of technical and specialized oilfield services to companies engaged in the exploration and production of oil and natural gas worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Forum Energy Technologies	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,262 contacts →
	Exact match “FET (Forum Energy Technologies, Inc.) is a global company, serving the crude oil, natural gas, and renewable energy industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	TGS	Exact match	Comuna 1, ArgentinaHQ recorded Sep 28, 2026	1,001-5,000	1,159 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 · Sep 28, 2026 · View company records in RevenueBase
24	Emdad Group	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Sep 28, 2026	1,001-5,000	1,027 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 · Sep 28, 2026 · View company records in RevenueBase
25	Sertecpet	Exact match	Quito - El Coca, EcuadorHQ recorded Sep 28, 2026	1,001-5,000	1,021 contacts →
	Exact match “SERTECPET® is a multinational company specialized in providing worldwide Integrated Energy Solutions with state-of-the-art technology.” Recorded in the RevenueBase company graph · Sep 28, 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 petroleum IT services”. 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 6,496 downstream petroleum IT services worldwide

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Downstream petroleum IT services worldwide at a glance

As of Sep 28, 2026

17.2%Verified-email coverage

45.7Average contacts per company

11-50Median size (employees)

4.8%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

2,224

11-50

2,301

51-200

1,184

201-500

429

501-1,000

165

1,001-5,000

129

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 petroleum IT services are linked below.
What qualifies: Company records worldwide whose business descriptions match “downstream petroleum IT services” 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 51,199 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 September 28, 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 petroleum IT services by location

47 lists · largest first

Every Downstream petroleum IT services 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 petroleum IT services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many downstream petroleum IT services are there worldwide?

RevenueBase identified 6,496 company matches for downstream petroleum IT services worldwide as of September 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?

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

Which country has the most downstream petroleum IT services?

The United States leads with 1,429 companies, followed by Nigeria (452) and Canada (290). Every downstream petroleum IT services list by country and city is linked on this page.

Which city has the most downstream petroleum IT services?

Houston leads with 311 company records, followed by Calgary (156) and Lagos (113).

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 51,199 professional contacts with verified work emails tracked across these 6,496 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 September 28, 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.