Company lists · Data refreshed October 2026
Top 25 Oil, gas & petroleum engineering services based in Tehran, Iran
RevenueBase identified 585 company matches for oil, gas & petroleum engineering services associated with Tehran, Iran as of October 2026 and tracks 20,574 professional contacts across them, including 55 with verified work emails. Across Iran, Tehran is the largest hub for this category.
This list covers company matches for oil, gas & petroleum engineering services associated with Tehran, 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 October 28, 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.
The 25 largest oil, gas & petroleum engineering services based in Tehran, Iran
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 835 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 2 | 816 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 3 | 773 contacts → | ||||
Exact match “Monenco Iran was formed in 1973 as a joint venture between the private sector of Iran and Montreal Engineering Company of Canada.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 4 | 657 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 5 | 524 contacts → | ||||
Exact match “Iranian Offshore Engineering and Construction Company (IOEC) is a private company.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 6 | 451 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 7 | 404 contacts → | ||||
Exact match “North Drilling, a leading company in oil and gas well drilling, has worked out important strategies in line with its vision plan.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 8 | 352 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 9 | 288 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 10 | 207 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 11 | 194 contacts → | ||||
Exact match “SeaLand Engineering & Well Services is established through multinational investment.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 12 | 192 contacts → | ||||
Exact match “We are proud to present over a half century of our history, beginning with formation of the Ofogh Consulting Engineers Company in 1961.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 13 | 184 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 14 | 125 contacts → | ||||
Exact match “A Canadian consultancy company, whose name changed to Ghods Niroo Engineering Company, founded in 1975, is one of the most continually operating engineering firms in Iran and The…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 15 | 119 contacts → | ||||
Exact match “On this basis, NIPEC, Non-ferrous Industries Process Engineering and Construction company, was established with the support of NICICO, National Iranian Copper Industries Company…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 16 | 112 contacts → | ||||
Exact match “Kish Petroleum Engineering (KPE), founded in as a subsidiary of Oil Industries Engineering and Construction (OIEC) Group, is an engineering and exploration company serving…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 17 | 109 contacts → | ||||
Exact match “Namavaran Delvar Engineering and Construction (NDEC) was established by a group of veteran PM professionals in oil, gas and petrochemical industries in 2004.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 18 | 108 contacts → | ||||
Exact match “MAPSA Co.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 19 | 90 contacts → | ||||
Exact match “Pars Energy Gostar Drilling and Exploration Company (PEDEX) was established in 1981 as a construction company and a subsidiary of Mostazafan Foundation, and it started its…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 20 | 86 contacts → | ||||
Exact match “With over 35 years of outstanding performance in industrial projects associated with power, oil, gas, petrochemical and mining, Tanavob General Contractor is a private…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 21 | 72 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 22 | 67 contacts → | ||||
Exact match “Ostovan Kish Drilling Company (OKDC) has been established as a private company in 2011 to implement and manage offshore and onshore drilling operations and since then, has been…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 23 | 62 contacts → | ||||
Exact match “E&P Company in Oil industry” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 24 | 62 contacts → | ||||
Exact match “Project Management knowledge along with the technical experiences and local engineering backgrounds could play major roles in implementing successfully the development projects…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 25 | 53 contacts → | ||||
Exact match “Middle East Water & Environment (MEWE) is an Iranian company delivering Engineering Design, Consultancy, Supervision and Project Management services and conducting Feasibility and…” 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 “oil, gas & petroleum engineering 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 585 oil, gas & petroleum engineering services based in Tehran, Iran
See the full list, filter by size, metro and specialty, and access 55 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil, gas & petroleum engineering services based in Tehran, Iran at a glance
As of Oct 28, 2026Companies by employee count
Email recency for this list is measured across the whole Iran list rather than for Tehran, so it is reported there. Company counts and contact totals on this page are exact for Tehran, over 585 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 Tehran, Iran whose business descriptions match “oil, gas & petroleum engineering 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. 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 55 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.
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 “oil, gas & petroleum engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil, gas & petroleum engineering services are there based in Tehran, Iran?
RevenueBase identified 585 company matches for oil, gas & petroleum engineering services associated with Tehran, Iran 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?
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 in Iran has the most oil, gas & petroleum engineering services?
Tehran leads Iran with 585 company records, followed by Isfahan (19) and Shiraz (16).
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 55 professional contacts with verified work emails tracked across these 585 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.
Ready to reach these companies? Verified emails and direct dials for all 585 oil, gas & petroleum engineering services based in Tehran, Iran. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 25 oil, gas & petroleum engineering services based in Tehran, Iran
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 585 matching company records for oil, gas & petroleum engineering services based in Tehran, Iran, with 20,574 tracked contacts and 55 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil, gas & petroleum engineering services based in Tehran, Iran
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 835 contacts → |
“Oil Industries’ Commissioning and Operation Company (OICO) is incorporated to manage and execute commissioning and start-up, operation, maintenance and professional training for…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 816 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Monenco Iran Consulting Engineersmonencogroup.comHQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 773 contacts → |
“Monenco Iran was formed in 1973 as a joint venture between the private sector of Iran and Montreal Engineering Company of Canada.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | FARABfarab.com HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 657 contacts → |
“Farab is an engineering, procurement, construction, and project management company operating as a turnkey general contractor for most major industries, including civil…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 524 contacts → |
“Iranian Offshore Engineering and Construction Company (IOEC) is a private company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Namvaran Consulting Engineers, Managersnamvaran.irHQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 451 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  North Drilling Companyndco.irHQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 404 contacts → |
“North Drilling, a leading company in oil and gas well drilling, has worked out important strategies in line with its vision plan.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Jahanpars Groupjahanpars.com HQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 352 contacts → |
“Jahanpars Engineering and Construction Company is a leading, privately-owned general contractor in the Middle East with four decades of successful experience.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Neyrpersemapnanyp.comHQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 288 contacts → |
“NEYRPERSE has been actively involved in designing, procurement, manufacturing, installation and commissioning of the following fields in industry since its establishment in 1958…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Enerchimienerchimi.comHQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 207 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sealand Engineering And Well Servicessealandws.comHQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 194 contacts → |
“SeaLand Engineering & Well Services is established through multinational investment.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Iran Ofogh Industrial Development Company Ioidiranofogh.comHQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 192 contacts → |
“We are proud to present over a half century of our history, beginning with formation of the Ofogh Consulting Engineers Company in 1961.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Asfalt Tousasfalt-tous.comHQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 184 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GNECghods-niroo.com HQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 125 contacts → |
“A Canadian consultancy company, whose name changed to Ghods Niroo Engineering Company, founded in 1975, is one of the most continually operating engineering firms in Iran and The…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | NIPECnipec.com HQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 119 contacts → |
“On this basis, NIPEC, Non-ferrous Industries Process Engineering and Construction company, was established with the support of NICICO, National Iranian Copper Industries Company…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 112 contacts → |
“Kish Petroleum Engineering (KPE), founded in as a subsidiary of Oil Industries Engineering and Construction (OIEC) Group, is an engineering and exploration company serving…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 109 contacts → |
“Namavaran Delvar Engineering and Construction (NDEC) was established by a group of veteran PM professionals in oil, gas and petrochemical industries in 2004.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Abdal Industrial Projects Management Co. Mapsamapsaeng.com HQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 108 contacts → |
“MAPSA Co.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  PEDEXpedex.irHQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 90 contacts → |
“Pars Energy Gostar Drilling and Exploration Company (PEDEX) was established in 1981 as a construction company and a subsidiary of Mostazafan Foundation, and it started its…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | tanavob.cotanavob.com HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 86 contacts → |
“With over 35 years of outstanding performance in industrial projects associated with power, oil, gas, petrochemical and mining, Tanavob General Contractor is a private…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Danial Petro Companydanialpetro.comHQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 72 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Ostovan Kish Drilling Companyostovan.comHQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 67 contacts → |
“Ostovan Kish Drilling Company (OKDC) has been established as a private company in 2011 to implement and manage offshore and onshore drilling operations and since then, has been…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Global Petro Tech Kishgptkish.comHQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 62 contacts → |
“E&P Company in Oil industry” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Parman Pooyesh Engineering & Management COparman-co.comHQ: Tehran, IranReported employees: 51-200 | Tehran, Iran | 51-200 | Exact match | 62 contacts → |
“Project Management knowledge along with the technical experiences and local engineering backgrounds could play major roles in implementing successfully the development projects…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Middle East Water And Environmentmewe-ir.com HQ: Tehran, IranReported employees: 51-200 | Tehran, Iran | 51-200 | Exact match | 53 contacts → |
“Middle East Water & Environment (MEWE) is an Iranian company delivering Engineering Design, Consultancy, Supervision and Project Management services and conducting Feasibility and…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 585 company matches
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Oil, gas & petroleum engineering services: dataset insights
October 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
585 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Iran list rather than for Tehran, so it is reported there. Company counts and contact totals on this page are exact for Tehran, over 585 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for oil, gas & petroleum engineering services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil, gas & petroleum engineering services did RevenueBase find based in Tehran, Iran?
The saved snapshot records 585 matching company records, 20,574 tracked contacts and 55 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil, gas & petroleum engineering services based in Tehran, Iran. Snapshot: October 28, 2026. https://revenuebase.ai/companies/oil-gas-petroleum-engineering-services/iran/tehran.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 oil, gas & petroleum engineering services based in Tehran, Iran
RevenueBase records 585 matching company records for oil, gas & petroleum engineering services based in Tehran, Iran, with 20,574 tracked contacts and 55 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil, gas & petroleum engineering services based in Tehran, Iran
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 835 contacts → |
“Oil Industries’ Commissioning and Operation Company (OICO) is incorporated to manage and execute commissioning and start-up, operation, maintenance and professional training for…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 816 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Monenco Iran Consulting Engineersmonencogroup.com HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 773 contacts → |
“Monenco Iran was formed in 1973 as a joint venture between the private sector of Iran and Montreal Engineering Company of Canada.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | FARABfarab.com HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 657 contacts → |
“Farab is an engineering, procurement, construction, and project management company operating as a turnkey general contractor for most major industries, including civil…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 524 contacts → |
“Iranian Offshore Engineering and Construction Company (IOEC) is a private company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Namvaran Consulting Engineers, Managersnamvaran.ir HQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 451 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | North Drilling Companyndco.ir HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 404 contacts → |
“North Drilling, a leading company in oil and gas well drilling, has worked out important strategies in line with its vision plan.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Jahanpars Groupjahanpars.com HQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 352 contacts → |
“Jahanpars Engineering and Construction Company is a leading, privately-owned general contractor in the Middle East with four decades of successful experience.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Neyrpersemapnanyp.com HQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 288 contacts → |
“NEYRPERSE has been actively involved in designing, procurement, manufacturing, installation and commissioning of the following fields in industry since its establishment in 1958…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Enerchimienerchimi.com HQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 207 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sealand Engineering And Well Servicessealandws.com HQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 194 contacts → |
“SeaLand Engineering & Well Services is established through multinational investment.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Iran Ofogh Industrial Development Company Ioidiranofogh.com HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 192 contacts → |
“We are proud to present over a half century of our history, beginning with formation of the Ofogh Consulting Engineers Company in 1961.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Asfalt Tousasfalt-tous.com HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 184 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GNECghods-niroo.com HQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 125 contacts → |
“A Canadian consultancy company, whose name changed to Ghods Niroo Engineering Company, founded in 1975, is one of the most continually operating engineering firms in Iran and The…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | NIPECnipec.com HQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 119 contacts → |
“On this basis, NIPEC, Non-ferrous Industries Process Engineering and Construction company, was established with the support of NICICO, National Iranian Copper Industries Company…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 112 contacts → |
“Kish Petroleum Engineering (KPE), founded in as a subsidiary of Oil Industries Engineering and Construction (OIEC) Group, is an engineering and exploration company serving…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 109 contacts → |
“Namavaran Delvar Engineering and Construction (NDEC) was established by a group of veteran PM professionals in oil, gas and petrochemical industries in 2004.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Abdal Industrial Projects Management Co. Mapsamapsaeng.com HQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 108 contacts → |
“MAPSA Co.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | PEDEXpedex.ir HQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 90 contacts → |
“Pars Energy Gostar Drilling and Exploration Company (PEDEX) was established in 1981 as a construction company and a subsidiary of Mostazafan Foundation, and it started its…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | tanavob.cotanavob.com HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 86 contacts → |
“With over 35 years of outstanding performance in industrial projects associated with power, oil, gas, petrochemical and mining, Tanavob General Contractor is a private…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Danial Petro Companydanialpetro.com HQ: Tehran, IranReported employees: 501-1,000 | Tehran, Iran | 501-1,000 | Exact match | 72 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ostovan Kish Drilling Companyostovan.com HQ: Tehran, IranReported employees: 201-500 | Tehran, Iran | 201-500 | Exact match | 67 contacts → |
“Ostovan Kish Drilling Company (OKDC) has been established as a private company in 2011 to implement and manage offshore and onshore drilling operations and since then, has been…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Global Petro Tech Kishgptkish.com HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 62 contacts → |
“E&P Company in Oil industry” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Parman Pooyesh Engineering & Management COparman-co.com HQ: Tehran, IranReported employees: 51-200 | Tehran, Iran | 51-200 | Exact match | 62 contacts → |
“Project Management knowledge along with the technical experiences and local engineering backgrounds could play major roles in implementing successfully the development projects…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Middle East Water And Environmentmewe-ir.com HQ: Tehran, IranReported employees: 51-200 | Tehran, Iran | 51-200 | Exact match | 53 contacts → |
“Middle East Water & Environment (MEWE) is an Iranian company delivering Engineering Design, Consultancy, Supervision and Project Management services and conducting Feasibility and…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 585 company matches
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Oil, gas & petroleum engineering services: dataset insights
October 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
585 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Iran list rather than for Tehran, so it is reported there. Company counts and contact totals on this page are exact for Tehran, over 585 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for oil, gas & petroleum engineering services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil, gas & petroleum engineering services did RevenueBase find based in Tehran, Iran?
The saved snapshot records 585 matching company records, 20,574 tracked contacts and 55 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil, gas & petroleum engineering services based in Tehran, Iran. Snapshot: October 28, 2026. https://revenuebase.ai/companies/oil-gas-petroleum-engineering-services/iran/tehran.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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