Company lists · Data refreshed September 2026

Top 25 Oil and gas infrastructure contractors based in Qatar

RevenueBase identified 80 company matches for oil and gas infrastructure contractors associated with Qatar as of September 2026 and tracks 7,610 professional contacts across them, including 822 with verified work emails. Doha is the largest hub.

This list covers company matches for oil and gas infrastructure 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
80Companies
7,610Contacts tracked
822Verified emails
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The 25 largest oil and gas infrastructure contractors based in Qatar

Ranked by team size
Top 25 of 80 company matches for oil and gas infrastructure 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRas Laffan Industrial City (rlic), QatarHQ recorded Sep 17, 20265,001-10,0002,222 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
2Exact matchDoha, QatarHQ recorded Sep 17, 20261,001-5,0001,076 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
3Exact matchDoha, QatarHQ recorded Sep 17, 20261,001-5,000740 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
4Exact matchLusail, QatarHQ recorded Sep 17, 20265,001-10,000588 contacts →

Exact match

“InfraRoad was established to cater for the growing demand in the infrastructure sector in Qatar.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5Exact matchDoha, QatarHQ recorded Sep 17, 20261,001-5,000401 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
6Exact matchDoha, QatarHQ recorded Sep 17, 20261,001-5,000332 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
7Exact matchDoha, QatarHQ recorded Sep 17, 2026201-50097 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
8Exact matchDoha, QatarHQ recorded Sep 17, 2026201-50063 contacts →

Exact match

“DIME International Mechanical Engineering Co.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9Exact matchAr Rayyān, QatarHQ recorded Sep 17, 2026501-1,00061 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
10Exact matchDoha, QatarHQ recorded Sep 17, 2026501-1,00060 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
11Exact matchDoha, QatarHQ recorded Sep 17, 2026501-1,00044 contacts →

Exact match

“We are one of those firms with a highly successful track record of having completed big projects with maximum precision and timeliness.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12Exact matchDoha, QatarHQ recorded Sep 17, 2026501-1,00038 contacts →

Exact match

“Fullbore Drilling and Lining WLL specializes in the non-invasive installation, inspection and remediation of underground pipelines on infrastructure development projects within…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13Exact matchDoha, QatarHQ recorded Sep 17, 202651-20037 contacts →

Exact match

“Doha Project Trading & Services W.L.L, established in April has now grown to be a well- established, highly reputed and most respected organization, inheriting credibility and…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact matchDoha, QatarHQ recorded Sep 17, 202651-20032 contacts →

Exact match

“Established in Doha (Qatar) in Alpha Energy, is one of the leading oil and gas agents, suppliers and contractors in Qatar with over 20 years of expertise in both upstream and…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15Exact matchDoha, QatarHQ recorded Sep 17, 2026201-50028 contacts →

Exact match

“Hot-Hed® International - trusted Offshore Service Provider for nearly 50 years, Wellhead Installation Specialists, Offshore Equipment Rentals, innovative Petroleum Industry…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16Exact matchZone 83, QatarHQ recorded Sep 17, 2026201-50027 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
17Exact matchAl Sadd 38, QatarHQ recorded Sep 17, 2026501-1,00027 contacts →

Exact match

“Al Waha TMC now offers a full range of contracting services related to transportation, maintenance, and support services in the Oil and Gas industry.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18Exact matchDoha, QatarHQ recorded Sep 17, 202611-5026 contacts →

Exact match

“Starting in 2002, built on a professional platform, Intermodal Services serves as a trader/service provider/installer in various types of engineering products for the Qatar market…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19Exact matchMesaieed Industrial City, QatarHQ recorded Sep 17, 202611-5023 contacts →

Exact match

“Petrosolutions is an ISO 9001:2015 Certified Organisation having specialization in supply of Electrical, Instrumentation, Mechanical, Drilling & Safety Equipments to Oil & Gas…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20Exact matchDoha, QatarHQ recorded Sep 17, 202611-5016 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
21Exact matchIndustrial, QatarHQ recorded Sep 17, 2026201-50016 contacts →

Exact match

“Established in 2002, Petrol & Gas Construction Co.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22Exact matchDoha, QatarHQ recorded Sep 17, 202651-20015 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
23Exact matchDoha, QatarHQ recorded Sep 17, 2026201-50015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24Exact matchDoha, QatarHQ recorded Sep 17, 202611-5014 contacts →

Exact match

“Ritz Serve is a specialized industrial Oilfield services company in the State of Qatar.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25Exact matchDoha, QatarHQ recorded Sep 17, 2026201-50013 contacts →

Exact match

“Axiom International is a dynamic and leading professional company with ISO 9001: 2015 certification based in the State of Qatar.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

Showing 25 of 80 oil and gas infrastructure contractors based in Qatar

See the full list, filter by size, metro and specialty, and access 822 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas infrastructure contractors based in Qatar at a glance

As of Sep 17, 2026
10.8%Verified-email coverage
95.1Average contacts per company
51-200Median size (employees)
58.8%Largest-city concentration · Doha
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
7
11-50
27
51-200
13
201-500
14
501-1,000
6
1,001-5,000
10
5,001-10,000
3

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 80 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 “oil and gas infrastructure 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 822 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 “oil and gas infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas infrastructure contractors are there based in Qatar?

RevenueBase identified 80 company matches for oil and gas infrastructure 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 oil and gas infrastructure contractors?

Doha leads with 47 company records, followed by Doha Qatar (6) and Doha, Qatar (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 822 professional contacts with verified work emails tracked across these 80 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.