Company lists · Data refreshed September 2026
Top 25 Refinery engineering firms based in Qatar
RevenueBase identified 69 company matches for refinery engineering firms associated with Qatar as of September 2026 and tracks 4,461 professional contacts across them, including 409 with verified work emails. Doha is the largest hub.
This list covers company matches for refinery engineering firms associated with Qatar, 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.
The 25 largest refinery engineering firms based in Qatar
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,076 contacts → | ||||
Exact match “Medgulf Construction Company ( W.L.L.) is wholly owned Qatari Company established in September 1975.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 2 | 496 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 · Sep 17, 2026 · View company records in RevenueBase | |||||
| 3 | 401 contacts → | ||||
Exact match “Black Cat Engineering & Construction WLL (BCEC) has been serving the industry in Qatar for three decades.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 4 | 162 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 5 | 146 contacts → | ||||
Exact match “Founded in 1911, SNC-Lavalin is one of the leading engineering and construction groups in the world and a major player in the ownership of infrastructure.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 6 | 135 contacts → | ||||
Exact match “EGEC Qatar is a leading multidisciplinary engineering consulting firm, specializing in design, construction supervision, and project management.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 7 | 69 contacts → | ||||
Exact match “AlKashaf Consulting is a strong foundation and one of the top engineering design and consultation companies, AlKashaf services cover all stages of project’s work plan, from the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 8 | 63 contacts → | ||||
Exact match “DIME International Mechanical Engineering Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 9 | 63 contacts → | ||||
Exact match “We are a customer obsessed global design & engineering services consulting firm.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 10 | 61 contacts → | ||||
Exact match “Qatar Construction Technique Co WLL (QCTC) is one of the leading companies in the sector of specialized contracting services companies in the State of Qatar.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 11 | 61 contacts → | ||||
Exact match “Jaidahenergy LLC is a leading provider of services, products and solutions for the energy industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 12 | 60 contacts → | ||||
Exact match “Peninsular Petrotech Engineering W.L.L (PPE), a member of Teyseer Group of Companies and headquartered in Doha, is a 100% Qatari Company operating since 1982 as a leading…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 13 | 57 contacts → | ||||
Exact match “Essential Systems & Services (ESS - Middle East) is an ISO 9001:2015 certified engineering services company based in Doha, Qatar for Middle East operations to provide…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 14 | 55 contacts → | ||||
Exact match “HTCO is a leading Grade (A) Engineering Consultancy and Supervision office operating in the Middle East for more than 25 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 15 | 43 contacts → | ||||
Exact match “With a rich heritage spanning since 1975, we are a leading engineering firm in Qatar.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 16 | 32 contacts → | ||||
Exact match “Who we are?” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 17 | 31 contacts → | ||||
Exact match “ALSADD Consulting Engineering is a leading provider of comprehensive design and engineering services in Qatar.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 18 | 31 contacts → | ||||
Exact match “Art Mark Engineering Consultant "AMEC" was established in 2007 and has evolved into one of the leading engineering consulting companies in Qatar & Egypt in the areas of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 19 | 27 contacts → | ||||
Exact match “IMC a special steel structure contractor in the world of engineering, fabrication, and construction in the GCC.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 20 | 15 contacts → | ||||
Exact match “HALEYS Group Middle East established in 2013 to meet the increasing need for top-tier engineering support services in the Energy industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 21 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “ServeGas is a Qatar-based engineering services company delivering high-performance solutions across the oil & gas, energy, petrochemical, marine, utilities, and manufacturing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “iFluids Engineering and Consultancy WLL, Qatar Multi-Discipline Engineering Design and Technical Services - FEED - Concept & Feasibility - Basic & Detailed Engineering Third Party…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “We are group of experienced engineers, consultants and advisors with over 20 years of extensive and hands-on experience in sophisticated and mega projects.” 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 “refinery engineering 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 69 refinery engineering firms based in Qatar
See the full list, filter by size, metro and specialty, and access 409 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Refinery engineering firms based in Qatar at a glance
As of Sep 17, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Qatar, so it is reported there. Company counts and contact totals on this page are exact for Qatar, over 69 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 Qatar whose business descriptions match “refinery engineering 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 409 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 “refinery engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many refinery engineering firms are there based in Qatar?
RevenueBase identified 69 company matches for refinery engineering firms associated with Qatar 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?
Medgulf Construction Co. WLL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most refinery engineering firms?
Doha leads with 40 company records, followed by Doha Qatar (5) and Al Rayyan (3).
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 409 professional contacts with verified work emails tracked across these 69 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.
Ready to reach these companies? Verified emails and direct dials for all 69 refinery engineering firms based in Qatar. Start with a free account, no credit card.
Download this list →Related lists
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Browse the directory
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Refinery engineering firms based in Brisbane, Australia
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Company intelligence · public preview
Top 25 refinery engineering firms based in Qatar
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 69 matching company records for refinery engineering firms based in Qatar, with 4,461 tracked contacts and 409 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: September 17, 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 refinery engineering firms based in Qatar
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 |  Medgulf Construction Co. WLLmedgulfconstruction.comHQ: Doha, QatarReported employees: 1,001-5,000 | Doha, Qatar | 1,001-5,000 | Exact match | 1,076 contacts → |
“Medgulf Construction Company ( W.L.L.) is wholly owned Qatari Company established in September 1975.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Petrotecpetrotec.com.qaHQ: Doha, QatarReported employees: 501-1,000 | Doha, Qatar | 501-1,000 | Exact match | 496 contacts → |
“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 description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Black CAT Engineering & Construction W.L.Lblackcat.com.qaHQ: Doha, QatarReported employees: 1,001-5,000 | Doha, Qatar | 1,001-5,000 | Exact match | 401 contacts → |
“Black Cat Engineering & Construction WLL (BCEC) has been serving the industry in Qatar for three decades.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | China Eleventh Chemical Construction Co., LTDeleco.com.cn HQ: Fereej Al Manseer, QatarReported employees: 1,001-5,000 | Fereej Al Manseer, Qatar | 1,001-5,000 | Exact match | 162 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 |  SNC Lavalin Profac Gulf Managementsnclavalin.comHQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 146 contacts → |
“Founded in 1911, SNC-Lavalin is one of the leading engineering and construction groups in the world and a major player in the ownership of infrastructure.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Egec 1986egec1986.comHQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 135 contacts → |
“EGEC Qatar is a leading multidisciplinary engineering consulting firm, specializing in design, construction supervision, and project management.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AL Kashaf International For Design & Engineering Consultancyalkashafqatar.comHQ: Zone 23, QatarReported employees: 51-200 | Zone 23, Qatar | 51-200 | Exact match | 69 contacts → |
“AlKashaf Consulting is a strong foundation and one of the top engineering design and consultation companies, AlKashaf services cover all stages of project’s work plan, from the…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Dime International Mechanical Engineeringdimedoha.comHQ: Doha, QatarReported employees: 201-500 | Doha, Qatar | 201-500 | Exact match | 63 contacts → |
“DIME International Mechanical Engineering Co.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Carbon Blue Globalcarbonblueglobal.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 63 contacts → |
“We are a customer obsessed global design & engineering services consulting firm.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Qatar Construction Technique CO W.L.L. - Qctcqctcqatar.com HQ: Ar Rayyān, QatarReported employees: 501-1,000 | Ar Rayyān, Qatar | 501-1,000 | Exact match | 61 contacts → |
“Qatar Construction Technique Co WLL (QCTC) is one of the leading companies in the sector of specialized contracting services companies in the State of Qatar.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Jaidah Energyjaidahenergyllc.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 61 contacts → |
“Jaidahenergy LLC is a leading provider of services, products and solutions for the energy industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Peninsular Petrotech Engineering WLLppe.com.qa HQ: Doha, QatarReported employees: 501-1,000 | Doha, Qatar | 501-1,000 | Exact match | 60 contacts → |
“Peninsular Petrotech Engineering W.L.L (PPE), a member of Teyseer Group of Companies and headquartered in Doha, is a 100% Qatari Company operating since 1982 as a leading…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 57 contacts → |
“Essential Systems & Services (ESS - Middle East) is an ISO 9001:2015 certified engineering services company based in Doha, Qatar for Middle East operations to provide…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Htco Hany Tawfik Consulting Officehtco-qatar.comHQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 55 contacts → |
“HTCO is a leading Grade (A) Engineering Consultancy and Supervision office operating in the Middle East for more than 25 years.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Asco Qatar Consulting Engineersascoqatar.comHQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 43 contacts → |
“With a rich heritage spanning since 1975, we are a leading engineering firm in Qatar.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Al-Fereej Consultancy & Designsalfereejcd.comHQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 32 contacts → |
“Who we are?” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Alsadd Consulting Engineeringalsaddconsult.comHQ: Zone 23, QatarReported employees: 51-200 | Zone 23, Qatar | 51-200 | Exact match | 31 contacts → |
“ALSADD Consulting Engineering is a leading provider of comprehensive design and engineering services in Qatar.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Amec ART Mark Engineering Consultantamecdesign.comHQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 31 contacts → |
“Art Mark Engineering Consultant "AMEC" was established in 2007 and has evolved into one of the leading engineering consulting companies in Qatar & Egypt in the areas of…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  IMCimcgulf.comHQ: Zone 83, QatarReported employees: 201-500 | Zone 83, Qatar | 201-500 | Exact match | 27 contacts → |
“IMC a special steel structure contractor in the world of engineering, fabrication, and construction in the GCC.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Haleys Group Middle Easthaleysgroup.comHQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 15 contacts → |
“HALEYS Group Middle East established in 2013 to meet the increasing need for top-tier engineering support services in the Energy industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Enertec Servicesenertecservices.comHQ: Doha, QatarReported employees: 201-500 | Doha, Qatar | 201-500 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Servegasservegas.qa HQ: Doha, QatarReported employees: 11-50 | Doha, Qatar | 11-50 | Exact match | 7 contacts → |
“ServeGas is a Qatar-based engineering services company delivering high-performance solutions across the oil & gas, energy, petrochemical, marine, utilities, and manufacturing…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ifluids Engineering And Consultancy WLLifluids.com.qa HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 5 contacts → |
“iFluids Engineering and Consultancy WLL, Qatar Multi-Discipline Engineering Design and Technical Services - FEED - Concept & Feasibility - Basic & Detailed Engineering Third Party…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Gulf East Contracting & Trading COgulfeastglobal.com HQ: Al Khor, QatarReported employees: 51-200 | Al Khor, Qatar | 51-200 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Limitless Engineering LLClimitlessengg.com HQ: Doha, QatarReported employees: 1-10 | Doha, Qatar | 1-10 | Exact match | 1 contacts → |
“We are group of experienced engineers, consultants and advisors with over 20 years of extensive and hands-on experience in sophisticated and mega projects.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 69 company matches
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Refinery engineering firms: dataset insights
September 17, 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
68 records in the displayed employee bands.
1 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 worldwide rather than for Qatar, so it is reported there. Company counts and contact totals on this page are exact for Qatar, over 69 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: September 17, 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 refinery engineering firms?
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 refinery engineering firms did RevenueBase find based in Qatar?
The saved snapshot records 69 matching company records, 4,461 tracked contacts and 409 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: September 17, 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.
Related lists
Refinery engineering firms by geography
- Refinery engineering firms based in Brisbane, Australia
- Refinery engineering firms based in Melbourne, Australia
- Refinery engineering firms based in Perth, Australia
- Refinery engineering firms based in Sydney, Australia
- Refinery engineering firms based in Belo Horizonte, Brazil
- Refinery engineering firms based in Campinas, Brazil
- Refinery engineering firms based in Curitiba, Brazil
- Refinery engineering firms based in Porto Alegre, Brazil
- Refinery engineering firms based in Recife, Brazil
- Refinery engineering firms based in Rio De Janeiro, Brazil
- Refinery engineering firms based in Salvador, Brazil
- Refinery engineering firms based in Sao Paulo, Brazil
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 refinery engineering firms based in Qatar. Snapshot: September 17, 2026. https://revenuebase.ai/companies/refinery-engineering-firms/qatar.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Refinery engineering firms based in Brisbane, Australia
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- Refinery engineering firms based in Perth, Australia
- Refinery engineering firms based in Sydney, Australia
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Company intelligence · public preview
Top 25 refinery engineering firms based in Qatar
RevenueBase records 69 matching company records for refinery engineering firms based in Qatar, with 4,461 tracked contacts and 409 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: September 17, 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 refinery engineering firms based in Qatar
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 | Medgulf Construction Co. WLLmedgulfconstruction.com HQ: Doha, QatarReported employees: 1,001-5,000 | Doha, Qatar | 1,001-5,000 | Exact match | 1,076 contacts → |
“Medgulf Construction Company ( W.L.L.) is wholly owned Qatari Company established in September 1975.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Petrotecpetrotec.com.qa HQ: Doha, QatarReported employees: 501-1,000 | Doha, Qatar | 501-1,000 | Exact match | 496 contacts → |
“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 description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Black CAT Engineering & Construction W.L.Lblackcat.com.qa HQ: Doha, QatarReported employees: 1,001-5,000 | Doha, Qatar | 1,001-5,000 | Exact match | 401 contacts → |
“Black Cat Engineering & Construction WLL (BCEC) has been serving the industry in Qatar for three decades.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | China Eleventh Chemical Construction Co., LTDeleco.com.cn HQ: Fereej Al Manseer, QatarReported employees: 1,001-5,000 | Fereej Al Manseer, Qatar | 1,001-5,000 | Exact match | 162 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | SNC Lavalin Profac Gulf Managementsnclavalin.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 146 contacts → |
“Founded in 1911, SNC-Lavalin is one of the leading engineering and construction groups in the world and a major player in the ownership of infrastructure.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Egec 1986egec1986.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 135 contacts → |
“EGEC Qatar is a leading multidisciplinary engineering consulting firm, specializing in design, construction supervision, and project management.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AL Kashaf International For Design & Engineering Consultancyalkashafqatar.com HQ: Zone 23, QatarReported employees: 51-200 | Zone 23, Qatar | 51-200 | Exact match | 69 contacts → |
“AlKashaf Consulting is a strong foundation and one of the top engineering design and consultation companies, AlKashaf services cover all stages of project’s work plan, from the…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Dime International Mechanical Engineeringdimedoha.com HQ: Doha, QatarReported employees: 201-500 | Doha, Qatar | 201-500 | Exact match | 63 contacts → |
“DIME International Mechanical Engineering Co.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Carbon Blue Globalcarbonblueglobal.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 63 contacts → |
“We are a customer obsessed global design & engineering services consulting firm.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Qatar Construction Technique CO W.L.L. - Qctcqctcqatar.com HQ: Ar Rayyān, QatarReported employees: 501-1,000 | Ar Rayyān, Qatar | 501-1,000 | Exact match | 61 contacts → |
“Qatar Construction Technique Co WLL (QCTC) is one of the leading companies in the sector of specialized contracting services companies in the State of Qatar.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Jaidah Energyjaidahenergyllc.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 61 contacts → |
“Jaidahenergy LLC is a leading provider of services, products and solutions for the energy industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Peninsular Petrotech Engineering WLLppe.com.qa HQ: Doha, QatarReported employees: 501-1,000 | Doha, Qatar | 501-1,000 | Exact match | 60 contacts → |
“Peninsular Petrotech Engineering W.L.L (PPE), a member of Teyseer Group of Companies and headquartered in Doha, is a 100% Qatari Company operating since 1982 as a leading…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 57 contacts → |
“Essential Systems & Services (ESS - Middle East) is an ISO 9001:2015 certified engineering services company based in Doha, Qatar for Middle East operations to provide…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Htco Hany Tawfik Consulting Officehtco-qatar.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 55 contacts → |
“HTCO is a leading Grade (A) Engineering Consultancy and Supervision office operating in the Middle East for more than 25 years.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Asco Qatar Consulting Engineersascoqatar.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 43 contacts → |
“With a rich heritage spanning since 1975, we are a leading engineering firm in Qatar.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Al-Fereej Consultancy & Designsalfereejcd.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 32 contacts → |
“Who we are?” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Alsadd Consulting Engineeringalsaddconsult.com HQ: Zone 23, QatarReported employees: 51-200 | Zone 23, Qatar | 51-200 | Exact match | 31 contacts → |
“ALSADD Consulting Engineering is a leading provider of comprehensive design and engineering services in Qatar.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Amec ART Mark Engineering Consultantamecdesign.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 31 contacts → |
“Art Mark Engineering Consultant "AMEC" was established in 2007 and has evolved into one of the leading engineering consulting companies in Qatar & Egypt in the areas of…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | IMCimcgulf.com HQ: Zone 83, QatarReported employees: 201-500 | Zone 83, Qatar | 201-500 | Exact match | 27 contacts → |
“IMC a special steel structure contractor in the world of engineering, fabrication, and construction in the GCC.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Haleys Group Middle Easthaleysgroup.com HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 15 contacts → |
“HALEYS Group Middle East established in 2013 to meet the increasing need for top-tier engineering support services in the Energy industry.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Enertec Servicesenertecservices.com HQ: Doha, QatarReported employees: 201-500 | Doha, Qatar | 201-500 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Servegasservegas.qa HQ: Doha, QatarReported employees: 11-50 | Doha, Qatar | 11-50 | Exact match | 7 contacts → |
“ServeGas is a Qatar-based engineering services company delivering high-performance solutions across the oil & gas, energy, petrochemical, marine, utilities, and manufacturing…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ifluids Engineering And Consultancy WLLifluids.com.qa HQ: Doha, QatarReported employees: 51-200 | Doha, Qatar | 51-200 | Exact match | 5 contacts → |
“iFluids Engineering and Consultancy WLL, Qatar Multi-Discipline Engineering Design and Technical Services - FEED - Concept & Feasibility - Basic & Detailed Engineering Third Party…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Gulf East Contracting & Trading COgulfeastglobal.com HQ: Al Khor, QatarReported employees: 51-200 | Al Khor, Qatar | 51-200 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Limitless Engineering LLClimitlessengg.com HQ: Doha, QatarReported employees: 1-10 | Doha, Qatar | 1-10 | Exact match | 1 contacts → |
“We are group of experienced engineers, consultants and advisors with over 20 years of extensive and hands-on experience in sophisticated and mega projects.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Refinery engineering firms: dataset insights
September 17, 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
68 records in the displayed employee bands.
1 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 worldwide rather than for Qatar, so it is reported there. Company counts and contact totals on this page are exact for Qatar, over 69 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: September 17, 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 refinery engineering firms?
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 refinery engineering firms did RevenueBase find based in Qatar?
The saved snapshot records 69 matching company records, 4,461 tracked contacts and 409 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: September 17, 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 refinery engineering firms based in Qatar. Snapshot: September 17, 2026. https://revenuebase.ai/companies/refinery-engineering-firms/qatar.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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