Company lists · Data refreshed September 2026

Top 25 Petrochemical plant construction firms based in Iran

Name: Petrochemical plant construction firms based in Iran
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 391 companies tracked

RevenueBase identified 391 company matches for petrochemical plant construction firms associated with Iran as of September 2026 and tracks 19,227 professional contacts across them, including 54 with verified work emails. Tehran is the largest hub.

This list covers company matches for petrochemical plant construction firms associated with Iran, 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 17, 2026.

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 17, 2026 How this list was built

391Companies

19,227Contacts tracked

54Verified emails

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The 25 largest petrochemical plant construction firms based in Iran

Ranked by team size

Top 25 of 391 company matches for petrochemical plant construction firms based in Iran, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	OIL Industries Commissioning And Operation Company Oico	Exact match	Tehran, IranHQ recorded Sep 17, 2026	1,001-5,000	869 contacts →
	Exact match “Oil Industries’ Commissioning and Operation Company (OICO) is incorporated to manage and execute commissioning and start-up, operation, maintenance and professional training for…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	OIL Design & Construction Company Odcc	Exact match	Tehran, IranHQ recorded Sep 17, 2026	1,001-5,000	804 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 · Sep 17, 2026 · View company records in RevenueBase
3	Arya Sasol Polymer	Exact match	Asalouyeh, IranHQ recorded Sep 17, 2026	1,001-5,000	665 contacts →
	Exact match “Arya Sasol Polymer Company (ASPC) is the producer of polymer products located in the Pars Special Economic Energy Zone (PSEEZ) in the Iranian port city of Assaluyeh, southwestern…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	FARAB	Exact match	Tehran, IranHQ recorded Sep 17, 2026	1,001-5,000	662 contacts →
	Exact match “Farab is an engineering, procurement, construction, and project management company operating as a turnkey general contractor for most major industries, including civil…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Namvaran Consulting Engineers, Managers	Exact match	Tehran, IranHQ recorded Sep 17, 2026	501-1,000	453 contacts →
	Exact match “Namvaran Consulting Engineers; Managers founded in 1979 in the era of engineering service industry genesis in Iran, was in fact unfolded from a foreign base - a joint ventured…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Jahanpars Group	Exact match	Tehran, IranHQ recorded Sep 17, 2026	501-1,000	367 contacts →
	Exact match “Jahanpars Engineering and Construction Company is a leading, privately-owned general contractor in the Middle East with four decades of successful experience.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Hirbodan	Exact match	Tehran, IranHQ recorded Sep 17, 2026	201-500	311 contacts →
	Exact match “Hirbodan, an Iranian Engineering and Construction Company, is chiefly involved with wide range of projects concerned with Power Plants, Oil & Gas, Petrochemical Facilities, Green…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Aftab OIL Refining	Exact match	Tehran, IranHQ recorded Sep 17, 2026	1,001-5,000	303 contacts →
	Exact match “Aftab Oil Refining (Previously named as MTA Holding) was founded on December 29, 2007.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Neyrperse	Exact match	Tehran, IranHQ recorded Sep 17, 2026	501-1,000	276 contacts →
	Exact match “NEYRPERSE has been actively involved in designing, procurement, manufacturing, installation and commissioning of the following fields in industry since its establishment in 1958…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Enerchimi	Exact match	Tehran, IranHQ recorded Sep 17, 2026	201-500	221 contacts →
	Exact match “Enerchimi Engineering Company was established in July 1980 by a group of qualified and experienced executive managers of the National Iranian Oil Company with the objective of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Asfalt Tous	Exact match	Tehran, IranHQ recorded Sep 17, 2026	1,001-5,000	180 contacts →
	Exact match “For almost half a century, Asfalt Tous Company has demonstrated its ability to execute major Industrial, Mining, Oil, Gas and Petrochemical Projects directed by expert key…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Hirbodniroo	Exact match	Tehran, IranHQ recorded Sep 17, 2026	201-500	138 contacts →
	Exact match “Established in 2004, Hirbod Niroo has grown as a leading EPC contractor (BOO, BOT, EPCF) in middle-east, driving innovation and excellence in the Oil & Gas, Power Sector, Green…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Kermanshah Petrochemical Industries Company	Exact match	Kermanshah, IranHQ recorded Sep 17, 2026	1,001-5,000	113 contacts →
	Exact match “Kermanshah Petrochemical Industries Company is a Chemicals company located in Building 14, Tehran, Tehran, Iran, Islamic Republic of.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Panah Sanat Part	Exact match	Tehran, IranHQ recorded Sep 17, 2026	1,001-5,000	89 contacts →
	Exact match “Panah-Sanat-Part has been involved in the implementation of oil industry contracting projects since 2002 and has been continuously involved as a private sector contractor in the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Bakhtar Group Company	Exact match	Tehran, IranHQ recorded Sep 17, 2026	n/a	85 contacts →
	Exact match “Bakhtar Group was established with a development-oriented and knowledge-based and production approach as one of the largest parent companies (refining and petrochemical) with the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Maroon Karan CO	Exact match	Tehran, IranHQ recorded Sep 17, 2026	1,001-5,000	79 contacts →
	Exact match “The Maroon Karan technical and engineering company was registered in 1992 No.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Danial Petro Company	Exact match	Tehran, IranHQ recorded Sep 17, 2026	501-1,000	70 contacts →
	Exact match “Daniel Petro Company has started its activities since 2010 with the aim of conducting study activities and providing technical and engineering services inside and outside of the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Foolad Technic International Engineering Company Fieco Tehran	Exact match	Esfahan, IranHQ recorded Sep 17, 2026	201-500	67 contacts →
	Exact match “In effect of the structural changing in “Design and consultant Institute of Steel” the Foolad Technic international engineering company (FIECO) was founded in 1991.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Shargan	Exact match	Tehran, IranHQ recorded Sep 17, 2026	201-500	55 contacts →
	Exact match “SHARGAN was established in 1994 to build an indigenous technological base for design, engineering as well as project management and technical services required by Oil, Gas &…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Pars Hassas Company	Exact match	Shiraz, IranHQ recorded Sep 17, 2026	1,001-5,000	51 contacts →
	Exact match “Pars Hassas Company is a mechanical or industrial engineering company based out of Building 256, Shiraz, Fars, Iran.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Negin Mokran Petrochemical Development Co. Nmpc	Exact match	Tehran, IranHQ recorded Sep 17, 2026	51-200	46 contacts →
	Exact match “The 3'rd Petrochemical hob in Iran located in chabahar free trade zone.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Sazeh Consultants	Exact match	Tehran, IranHQ recorded Sep 17, 2026	1,001-5,000	45 contacts →
	Exact match “Sazeh is a privately owned independent joint stock company founded in Iran in 1970, operating for over 50 years in a wide range of industrial and urban projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Zagros Petrochemical CO	Exact match	Pars Special Economic Energy Zone, IranHQ recorded Sep 17, 2026	1,001-5,000	40 contacts →
	Exact match “Zagros Petrochemical Company was founded in within the framework of Iran third economic, social and cultural development program for achieving the global markets and gaining a…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Arman Sakht Energy Karoon Co. Asakco	Exact match	Ahvaz, IranHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “ASAK Consulting Engineering, established in 2018, provides tailored solutions and expertise that bring significant value to national and international governmental and private…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Energy Kala Jonoob CO	Exact match	Tehran, IranHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Energy Kala Jonoob (EKJ) is an engineering and commercial company specialized in the field of Industrial procurement for Oil, Gas and petrochemical industries as well as other…” Recorded in the RevenueBase company graph · Sep 17, 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 plant construction firms”. 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 391 petrochemical plant construction firms based in Iran

See the full list, filter by size, metro and specialty, and access 54 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Petrochemical plant construction firms based in Iran at a glance

As of Sep 17, 2026

0.3%Verified-email coverage

49.2Average contacts per company

51-200Median size (employees)

71.6%Largest-city concentration · Tehran

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

115

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for Iran, so it is reported there. Company counts and contact totals on this page are exact for Iran, over 391 companies.

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.
What qualifies: Company records associated with Iran whose business descriptions match “petrochemical plant construction firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 54 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 17, 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.

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 plant construction firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many petrochemical plant construction firms are there based in Iran?

RevenueBase identified 391 company matches for petrochemical plant construction firms associated with Iran 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?

OIL Industries Commissioning And Operation Company Oico tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most petrochemical plant construction firms?

Tehran leads with 280 company records, followed by Isfahan (18) and Shiraz (9).

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 54 professional contacts with verified work emails tracked across these 391 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 17, 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.