Company lists · Data refreshed November 2026

Top 25 Petrochemical process engineers worldwide

Name: Petrochemical process engineers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 6,573 companies tracked

RevenueBase identified 6,573 company matches for petrochemical process engineers worldwide as of November 2026 and tracks 200,126 professional contacts across them, including 36,725 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for petrochemical process engineers 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 petrochemical process engineers 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

6,573Companies

200,126Contacts tracked

36,725Verified emails

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The 25 largest petrochemical process engineers worldwide

Ranked by team size

Top 25 of 6,573 company matches for petrochemical process engineers 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	Samsung E&a	Exact match	Gangdong-gu, South KoreaHQ recorded Nov 6, 2026	5,001-10,000	7,517 contacts →
	Exact match “SAMSUNG E&A is one of the world’s leading engineering, procurement, construction and project management (EPC & PM) companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	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
3	UTC Engenharia	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	10001+	3,894 contacts →
	Exact match “The Company operates in sundry markets, taking the lead in such sectors as oil & gas production and processing, petrochemicals, power generation, steel production, paper & pulp…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Nova Engevix	Exact match	Barueri, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,475 contacts →
	Exact match “Fundada em 1965 e com mais de 40 anos de experiência, a Engevix é a maior empresa do segmento de engenharia consultiva do Brasil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	CTCI	Exact match	Jakarta, TaiwanHQ recorded Nov 6, 2026	5,001-10,000	2,194 contacts →
	Exact match “CTCI (TWSE: 9933, TPEx: 5209, TPEx: 6803) is a global engineering, procurement, and construction (EPC) services provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	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
8	Hargrove Engineers & Constructors	Exact match	Mobile, AL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,882 contacts →
	Exact match “Hargrove is a full-service engineering, procurement, and construction management firm delivering multi-discipline engineering, project delivery, controls & automation, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	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
10	Audubon Companies	Exact match	Houston, LA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,699 contacts →
	Exact match “Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	EKIUM	Exact match	Lyon Cedex 07, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,603 contacts →
	Exact match “Welcome to Ekium!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Bilfinger Engineering	Exact match	Schiedam, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	1,531 contacts →
	Exact match “Engineering for greenfield plants or modification and modernization projects for brownfield plants: Bilfinger delivers the optimized solution for our customers in terms of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Englobal	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	201-500	1,223 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 · 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	Imco Engineering & Construction CO W.L.L	Exact match	KuwaitHQ recorded Nov 6, 2026	1,001-5,000	1,155 contacts →
	Exact match “Established in 1970, IMCO started as a pioneer in the Industrial Electrical and Instrumentation Fields in Kuwait.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Qualidados Engenharia	Exact match	Salvador, BrazilHQ recorded Nov 6, 2026	501-1,000	926 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Penta Global Engineering	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026	5,001-10,000	925 contacts →
	Exact match “At Penta Global we deliver innovative, sustainable EPC solutions to the ever-evolving energy sector across the Middle East, Southeast Asia and beyond.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Kbr-Amcde	Exact match	Al-khobar, Saudi ArabiaHQ recorded Nov 6, 2026	501-1,000	882 contacts →
	Exact match “KBR-AMCDE has been successfully delivering engineering solutions in the Kingdom since 2011.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Pares&alvarez	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	501-1,000	878 contacts →
	Exact match “We are Pares & Alvarez, our extensive experience and the recognition of our clients makes us one of the leading Engineering Companies in environmental, consulting, engineering and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	OIL Design & Construction Company Odcc	Exact match	Tehran, IranHQ recorded Nov 6, 2026	1,001-5,000	849 contacts →
	Exact match “Oil Design & Construction Company (ODCC) We are a first grade full-service contractor ranked by the GOI primarily serving the hydrocarbon market with the capability to execute…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Parlym	Exact match	Estaque, FranceHQ recorded Nov 6, 2026	1,001-5,000	801 contacts →
	Exact match “For over 50 years the Parlym Group has managed to establish itself as a major player in industrial engineering all over the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Grupo Sereng	Exact match	Vitória, BrazilHQ recorded Nov 6, 2026	201-500	801 contacts →
	Exact match “A SERENG é uma empresa de engenharia especializada em Projetos, Consultoria, Gerenciamento, Apoio Técnico e Gestão de Ativos (Manutenção), atuando nos mais diversos segmentos…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	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
24	VTU Group	Exact match	Grambach / Graz, AustriaHQ recorded Nov 6, 2026	1,001-5,000	711 contacts →
	Exact match “VTU Group is an international technology and engineering service provider for the life sciences and chemical industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Fabtech Projects & Engineers LTD	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	501-1,000	710 contacts →
	Exact match “Fabtech Projects and Engineers Ltd is among the leaders in engineering procurement and construction (EPC) services to oil and gas, chemical and sugar industries in India.” 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 “petrochemical process engineers”. 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 6,573 petrochemical process engineers worldwide

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Petrochemical process engineers worldwide at a glance

As of Nov 6, 2026

18.4%Verified-email coverage

30.4Average contacts per company

11-50Median size (employees)

3.0%Largest-city concentration · Tehran

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,625

11-50

2,216

51-200

1,104

201-500

332

501-1,000

120

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 petrochemical process engineers are linked below.
What qualifies: Company records worldwide whose business descriptions match “petrochemical process engineers” 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 36,725 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.

Petrochemical process engineers by location

46 lists · largest first

Every Petrochemical process engineers 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 “petrochemical process engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many petrochemical process engineers are there worldwide?

RevenueBase identified 6,573 company matches for petrochemical process engineers 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?

Samsung E&a tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most petrochemical process engineers?

The United States leads with 747 companies, followed by India (612) and Brazil (395). Every petrochemical process engineers list by country and city is linked on this page.

Which city has the most petrochemical process engineers?

Tehran leads with 194 company records, followed by Houston (145) and Calgary (90).

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 36,725 professional contacts with verified work emails tracked across these 6,573 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.