Company lists · Data refreshed September 2026

Top 25 Refinery expansion contractors based in Qatar

Name: Refinery expansion contractors based in Qatar
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 84 companies tracked

RevenueBase identified 84 company matches for refinery expansion contractors associated with Qatar as of September 2026 and tracks 12,202 professional contacts across them, including 1,117 with verified work emails. Doha is the largest hub.

This list covers company matches for refinery expansion contractors 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built

84Companies

12,202Contacts tracked

1,117Verified emails

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The 25 largest refinery expansion contractors based in Qatar

Ranked by team size

Top 25 of 84 company matches for refinery expansion contractors based in Qatar, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Qatar Engineering & Construction Company W.L.L	Exact match	Ras Laffan Industrial City (rlic), QatarHQ recorded Sep 17, 2026	5,001-10,000	2,222 contacts →
	Exact match “Qatar Engineering & Construction Company (Qcon) is the leading National EPC & Maintenance Contractor in the Oil & Gas, Petrochemical, Fertilizer and Power industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Doha Petroleum Construction Co. W.L.L	Exact match	Doha, QatarHQ recorded Sep 17, 2026	1,001-5,000	1,557 contacts →
	Exact match “Founded in 1981, DOPET is one of Qatar’s leading companies undertaking EPIC projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Medgulf Construction Co. WLL	Exact match	Doha, QatarHQ recorded Sep 17, 2026	1,001-5,000	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
4	Petroserv Limited WLL	Exact match	Doha, QatarHQ recorded Sep 17, 2026	1,001-5,000	740 contacts →
	Exact match “PETROSERV Oil & Gas is an ISO 9001: 2015, ISO 14001: 2015 and OHSAS 45001: 2018 certified Company that offers a diverse range of engineering and construction services in the Oil…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Emco Qatar	Exact match	Doha, QatarHQ recorded Sep 17, 2026	1,001-5,000	666 contacts →
	Exact match “In the year 2002, realizing the need for Specialized Refurbishment, Repairs, & Maintenance Services of Oil Industries, Commercial and Residential Complexes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Danem Group	Exact match	Doha, QatarHQ recorded Sep 17, 2026	1,001-5,000	494 contacts →
	Exact match “Danem Group, established in 1998 and headquartered in Qatar, is a respected name in engineering, construction, project management and Trading.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Black CAT Engineering & Construction W.L.L	Exact match	Doha, QatarHQ recorded Sep 17, 2026	1,001-5,000	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
8	Venture Gulf Engineering	Exact match	Doha, QatarHQ recorded Sep 17, 2026	1,001-5,000	332 contacts →
	Exact match “Venture Gulf Engineering W.L.L,(VGE) a subsidiary of Al Nasr Holding Company W.L.L, focused its resources and services with the aim of providing service to the Oil & Gas…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Chiyoda Almana Engineering LLC	Exact match	Doha, QatarHQ recorded Sep 17, 2026	201-500	292 contacts →
	Exact match “Chiyoda Corporation of Japan has been active in supporting Qatar’s energy development since the 1970s, including the delivery of EPC projects for 12 of the 14 LNG trains that have…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	SNC Lavalin Profac Gulf Management	Exact match	Doha, QatarHQ recorded Sep 17, 2026	51-200	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
11	Bemco & Almabani Engineering And Contracting Co. Qatar Unicorp	Exact match	Doha, QatarHQ recorded Sep 17, 2026	501-1,000	129 contacts →
	Exact match “Having years of successful cooperation between Arabian Bemco Contracting Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Omega Engineering WLL	Exact match	Barwa, QatarHQ recorded Sep 17, 2026	501-1,000	98 contacts →
	Exact match “Omega Engineering WLL is one of the fast emerging, multi-disciplined engineering, contracting and construction company in the State of Qatar.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Energy Plus Technical Services W.L.L	Exact match	Doha, QatarHQ recorded Sep 17, 2026	201-500	97 contacts →
	Exact match “ENERGYPLUS is a Leading Multi-Disciplinary and Oil & Gas Integrated Service Provider offers Multi Trade Professional, Innovative and Cost Effective Solutions in Construction…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Brick Stone Trading & Contracting	Exact match	Doha, QatarHQ recorded Sep 17, 2026	201-500	73 contacts →
	Exact match “Brick Stone Trading & Contracting W.L.L is a company registered in the State of Qatar which provides engineering, procurement, construction (EPIC), maintenance and project…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Dime International Mechanical Engineering	Exact match	Doha, QatarHQ recorded Sep 17, 2026	201-500	63 contacts →
	Exact match “DIME International Mechanical Engineering Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Matrix Incorporated W.L.L	Exact match	Doha, QatarHQ recorded Sep 17, 2026	1,001-5,000	63 contacts →
	Exact match “Matrix Incorporated Contracting Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Qatar Construction Technique CO W.L.L. - Qctc	Exact match	Ar Rayyān, QatarHQ recorded Sep 17, 2026	501-1,000	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
18	Jaidah Energy	Exact match	Doha, QatarHQ recorded Sep 17, 2026	51-200	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
19	Peninsular Petrotech Engineering WLL	Exact match	Doha, QatarHQ recorded Sep 17, 2026	501-1,000	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
20	Control Engineering, Trading And Contracting. Pvt. W.L.L Cetc	Exact match	Doha, QatarHQ recorded Sep 17, 2026	501-1,000	45 contacts →
	Exact match “General Engineering, Trading and Contracting Company specializing in MEP, Telecom, and Systems Integration for the Oil & Gas and Government Sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	IMC	Exact match	Zone 83, QatarHQ recorded Sep 17, 2026	201-500	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
22	IKA Construction	Exact match	Al Sadd, QatarHQ recorded Sep 17, 2026	51-200	19 contacts →
	Exact match “A full-service multi-disciplinary engineering and construction firm, IKA construction is defined by dynamic leadership and a team with extensive experience.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Mars Trading & Contracting CO	Exact match	Doha, QatarHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Established in 1958, Mars Trading & Contracting has been a pioneering force in the industry, with its Head Office proudly located in Doha.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Petrol & GAS Construction Company	Exact match	Industrial, QatarHQ recorded Sep 17, 2026	201-500	16 contacts →
	Exact match “Established in 2002, Petrol & Gas Construction Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Haleys Group Middle East	Exact match	Doha, QatarHQ recorded Sep 17, 2026	51-200	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

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 expansion contractors”. 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 84 refinery expansion contractors based in Qatar

See the full list, filter by size, metro and specialty, and access 1,117 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Refinery expansion contractors based in Qatar at a glance

As of Sep 17, 2026

9.2%Verified-email coverage

145.3Average contacts per company

201-500Median size (employees)

56.0%Largest-city concentration · Doha

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for Qatar, so it is reported there. Company counts and contact totals on this page are exact for Qatar, over 84 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 expansion contractors” 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 1,117 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 expansion contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many refinery expansion contractors are there based in Qatar?

RevenueBase identified 84 company matches for refinery expansion contractors 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?

Qatar Engineering & Construction Company W.L.L tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most refinery expansion contractors?

Doha leads with 47 company records, followed by Doha Qatar (7) and Doha Doha (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 1,117 professional contacts with verified work emails tracked across these 84 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.