Company lists · Data refreshed October 2026

Top 25 Petroleum/gas refinery system suppliers worldwide

Name: Petroleum/gas refinery system suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 3,617 companies tracked

RevenueBase identified 3,617 company matches for petroleum/gas refinery system suppliers worldwide as of October 2026 and tracks 116,426 professional contacts across them, including 24,954 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for petroleum/gas refinery system suppliers 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 28, 2026. Country and city lists for petroleum/gas refinery system suppliers 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 28, 2026 How this list was built

3,617Companies

116,426Contacts tracked

24,954Verified emails

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The 25 largest petroleum/gas refinery system suppliers worldwide

Ranked by team size

Top 25 of 3,617 company matches for petroleum/gas refinery system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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	Valero	Exact match	San Antonio, TX, United StatesHQ recorded Oct 28, 2026	10001+	9,632 contacts →
	Exact match “Valero is an international manufacturer and marketer of transportation fuels and petrochemical products.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Hpcl-Mittal Energy Limited	Exact match	Noida, IndiaHQ recorded Oct 28, 2026	1,001-5,000	3,307 contacts →
	Exact match “HPCL-Mittal Energy Limited (HMEL) is a joint venture between Hindustan Petroleum Corporation Limited (HPCL) and Mittal Energy Investment Pte Ltd, Singapore, a Lakshmi N Mittal…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	Petro Rabigh	Exact match	Rabigh, Saudi ArabiaHQ recorded Oct 28, 2026	1,001-5,000	3,026 contacts →
	Exact match “Rabigh Refining & Petrochemical Co- Petro Rabigh - was founded as a joint venture between Saudi Aramco and Sumitomo Chemical in 2005.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	Montcalm Montagens Industriais	Exact match	São Paulo, BrazilHQ recorded Oct 28, 2026	1,001-5,000	2,354 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 · Oct 28, 2026 · View company records in RevenueBase
5	AXENS	Exact match	Rueil-malmaison, FranceHQ recorded Oct 28, 2026	1,001-5,000	1,615 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 · Oct 28, 2026 · View company records in RevenueBase
6	Prefchem	Exact match	Pengerang, MalaysiaHQ recorded Oct 28, 2026	1,001-5,000	1,460 contacts →
	Exact match “Pengerang Refining Company Sdn Bhd and Pengerang Petrochemical Sdn Bhd (collectively known as PRefChem) are two joint ventures formed from the strategic alliance of two of the…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	Tkil Industries	Exact match	Pune, IndiaHQ recorded Oct 28, 2026	1,001-5,000	1,390 contacts →
	Exact match “TKIL Industries Pvt.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8	Attock Refinery Limited	Exact match	Rawalpindi, PakistanHQ recorded Oct 28, 2026	501-1,000	1,322 contacts →
	Exact match “Attock Refinery Limited (ARL) is the pioneer and pacesetter in Pakistan’s petroleum refining sector.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	Chennai Petroleum Corp. LTD Indian OIL	Exact match	Chennai, IndiaHQ recorded Oct 28, 2026	1,001-5,000	1,210 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 · Oct 28, 2026 · View company records in RevenueBase
10	Englobal	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	201-500	1,203 contacts →
	Exact match “Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	REFIT	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	501-1,000	1,175 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 · Oct 28, 2026 · View company records in RevenueBase
12	L&t Heavy Engineering	Exact match	Mumbai, IndiaHQ recorded Oct 28, 2026	1,001-5,000	1,168 contacts →
	Exact match “L&T Heavy Engineering business is global leader in supply of the Engineered to order hi-tech equipment needs of Refinery, Oil & Gas, Fertilizer, Petrochemicals and Nuclear plants.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13	Sapref	Exact match	Prospecton, South AfricaHQ recorded Oct 28, 2026	501-1,000	967 contacts →
	Exact match “SAPREF is a joint venture between Shell SA Refining and BP Southern Africa.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	GS Caltex	Exact match	서울특별시, South KoreaHQ recorded Oct 28, 2026	1,001-5,000	832 contacts →
	Exact match “GS 78 5.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	SOPAN	Exact match	Pune, IndiaHQ recorded Oct 28, 2026	1,001-5,000	711 contacts →
	Exact match “Established in 2001 by Energy professionals, SOPAN has emerged as a strong player in the field of Projects, Services and Equipments & Systems to Oil & Gas/ Petrochemical, Water &…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	Puffer-Sweiven	Exact match	Stafford, TX, United StatesHQ recorded Oct 28, 2026	501-1,000	707 contacts →
	Exact match “Puffer‑Sweiven has supported process operations for over 80 years-helping facilities run safer, smarter, and more reliably.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17	Bpcl Kochi Refinery	Exact match	Ernakulam, IndiaHQ recorded Oct 28, 2026	1,001-5,000	669 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 · Oct 28, 2026 · View company records in RevenueBase
18	Setpoint Integrated Solutions, INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 28, 2026	501-1,000	624 contacts →
	Exact match “Setpoint Integrated Solutions, a Vytl Company is a leading integrated solutions and services provider in the process control industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Egyptian Refining Company ERC	Exact match	Mostorod, EgyptHQ recorded Oct 28, 2026	1,001-5,000	622 contacts →
	Exact match “With the expansion and development of the Egyptian economy, the domestic demand for refined petroleum products, especially diesel, has increased.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	W-Industries	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	501-1,000	573 contacts →
	Exact match “Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Ingenero	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
22	Bazan Group OIL Refineries LTD	Exact match	Haifa, IsraelHQ recorded Oct 28, 2026	1,001-5,000	550 contacts →
	Exact match “Bazan Group is the largest refinery and petrochemicals company in Israel, and the Haifa Refinery compound consists of three plants and included Carmel Olefins Ltd.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	Kavin Engineering And Services	Exact match	Coimbatore, IndiaHQ recorded Oct 28, 2026	501-1,000	550 contacts →
	Exact match “Kavin Engineering And Services Private Limited are leaders in Engineering & Services.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	Petrotec	Exact match	Doha, QatarHQ recorded Oct 28, 2026	501-1,000	521 contacts →
	Exact match “Petroleum Technology Company W.L.L (Petrotec) is one of the largest providers of Engineered products and services to the energy industry in Qatar, specializing in key diverse…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25	Contech Control Services	Exact match	La Porte, TX, United StatesHQ recorded Oct 28, 2026	1,001-5,000	514 contacts →
	Exact match “When we formed Contech in 1980, our goal was to create a specialized engineering and construction company to provide a full range of system independent services for process…” Recorded in the RevenueBase company graph · Oct 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 “petroleum/gas refinery system suppliers”. 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 3,617 petroleum/gas refinery system suppliers worldwide

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Petroleum/gas refinery system suppliers worldwide at a glance

As of Oct 28, 2026

21.4%Verified-email coverage

32.2Average contacts per company

11-50Median size (employees)

4.1%Largest-city concentration · Tehran

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

987

11-50

1,405

51-200

741

201-500

257

501-1,000

102

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 petroleum/gas refinery system suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “petroleum/gas refinery system suppliers” 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 24,954 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 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.

Petroleum/gas refinery system suppliers by location

28 lists · largest first

Every Petroleum/gas refinery system suppliers 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 “petroleum/gas refinery system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many petroleum/gas refinery system suppliers are there worldwide?

RevenueBase identified 3,617 company matches for petroleum/gas refinery system suppliers 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?

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

Which country has the most petroleum/gas refinery system suppliers?

The United States leads with 462 companies, followed by India (400) and Iran (208). Every petroleum/gas refinery system suppliers list by country and city is linked on this page.

Which city has the most petroleum/gas refinery system suppliers?

Tehran leads with 147 company records, followed by Houston (71) and Dubai (64).

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 24,954 professional contacts with verified work emails tracked across these 3,617 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 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.