Company lists · Data refreshed September 2026

Top 25 Oil and gas pipeline contractors worldwide

RevenueBase identified 3,353 oil and gas pipeline contractors worldwide as of September 2026 and tracks 354,911 professional contacts across them, including 86,445 with verified work emails and 0 with mobile numbers. The United States is the largest market and Houston the largest hub.

This list covers oil and gas pipeline contractors worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026. Country and city lists for oil and gas pipeline contractors follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
3,353Companies
354,911Contacts tracked
86,445Verified emails
0Mobile numbers
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The 25 largest oil and gas pipeline contractors worldwide

Ranked by team size
Top 25 of 3,353 oil and gas pipeline contractors worldwide, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to oil and gas pipeline contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceMilan, ItalyHQ checked Sep 17, 202610001+34,095 contacts →

Indirect evidence

“Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.”

Source: RevenueBase Database · checked Sep 17, 2026
2Indirect evidenceHouston, TX, United StatesHQ checked Sep 17, 202610001+20,135 contacts →

Indirect evidence

“McDermott is a premier provider of engineering and construction solutions to the energy industry.”

Source: RevenueBase Database · checked Sep 17, 2026
3Indirect evidenceOmaha, NE, United StatesHQ checked Sep 17, 202610001+19,465 contacts →

Indirect evidence

“At Kiewit, the projects we deliver make a difference, and we offer opportunities for you to make one, too.”

Source: RevenueBase Database · checked Sep 17, 2026
4Indirect evidenceMumbai, IndiaHQ checked Sep 17, 20261,001-5,00014,384 contacts →

Indirect evidence

“Tata Projects is one of the most admired Technology led Engineering, Procurement and Construction (EPC) companies in India.”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 17, 20265,001-10,00013,261 contacts →

Indirect evidence

“We are a leading international service provider to the energy industry, with a diverse client portfolio including many of the world’s leading energy companies.”

Source: RevenueBase Database · checked Sep 17, 2026
6Strong evidenceMadrid, SpainHQ checked Sep 17, 202610001+10,588 contacts →

Strong evidence

“TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…”

Source: RevenueBase Database · checked Sep 17, 2026
7Indirect evidenceHouston, TX, United StatesHQ checked Sep 17, 202610001+8,314 contacts →

Indirect evidence

“Kinder Morgan, Inc.(NYSE: KMI) is one of the largest energy infrastructure companies in North America.”

Source: RevenueBase Database · checked Sep 17, 2026
8Indirect evidenceDubai, United Arab EmiratesHQ checked Sep 17, 202610001+7,045 contacts →

Indirect evidence

“We design, build and maintain the assets that power the world for today and make it future-ready for tomorrow.”

Source: RevenueBase Database · checked Sep 17, 2026
9Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 17, 202610001+6,824 contacts →

Indirect evidence

“Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidenceVancouver, BC, CanadaHQ checked Sep 17, 20265,001-10,0006,184 contacts →

Indirect evidence

“The Ledcor Group of Companies is one of North America’s most diversified construction companies, serving the building, heavy industrial, civil and Infrastructure, mining…”

Source: RevenueBase Database · checked Sep 17, 2026
11Strong evidenceSharjah, United Arab EmiratesHQ checked Sep 17, 20265,001-10,0006,080 contacts →

Strong evidence

“With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.”

Source: RevenueBase Database · checked Sep 17, 2026
12Indirect evidenceCanning, IndiaHQ checked Sep 17, 20265,001-10,0005,012 contacts →

Indirect evidence

“Since 1948 we specialize in projects for the energy industry.”

Source: RevenueBase Database · checked Sep 17, 2026
13Partial evidenceParma, United StatesHQ checked Sep 17, 20265,001-10,0004,895 contacts →

Partial evidence

“Bonatti is an International Contractor providing services to energy industry with over 75 years of experience.”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceTulsa, OK, United StatesHQ checked Sep 17, 20265,001-10,0004,443 contacts →

Indirect evidence

“At ONEOK (NYSE: OKE), we deliver energy products and services vital to an advancing world.”

Source: RevenueBase Database · checked Sep 17, 2026
15Indirect evidenceHouston, TX, United StatesHQ checked Sep 17, 20265,001-10,0003,510 contacts →

Indirect evidence

“S&B is an engineer and constructor that designs and builds some of the largest and most complex industrial facilities in the world.”

Source: RevenueBase Database · checked Sep 17, 2026
16Partial evidenceHyderabad, IndiaHQ checked Sep 17, 2026n/a3,506 contacts →

Partial evidence

“EPC Contractor in Irrigation, Water, Hydrocarbon and Power sectors.”

Source: RevenueBase Database · checked Sep 17, 2026
17Indirect evidenceSugar Land, TX, United StatesHQ checked Sep 17, 20265,001-10,0003,460 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 17, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 17, 20261,001-5,0003,095 contacts →

Indirect evidence

“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.”

Source: RevenueBase Database · checked Sep 17, 2026
19Strong evidenceLisle, IL, United StatesHQ checked Sep 17, 20261,001-5,0002,966 contacts →

Strong evidence

“ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…”

Source: RevenueBase Database · checked Sep 17, 2026
20Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 17, 20261,001-5,0002,344 contacts →

Indirect evidence

“At Kleinfelder, we have been connecting great people to the best work since 1961.”

Source: RevenueBase Database · checked Sep 17, 2026
21Indirect evidenceBrownsville, WI, United StatesHQ checked Sep 17, 202610001+2,339 contacts →

Indirect evidence

“Established in 1959 in Brownsville, WI, Michels is an international leader in energy and infrastructure construction.”

Source: RevenueBase Database · checked Sep 17, 2026
22Indirect evidencePerth, AustraliaHQ checked Sep 17, 20261,001-5,0002,289 contacts →

Indirect evidence

“SRG Global is a diversified infrastructure services company.”

Source: RevenueBase Database · checked Sep 17, 2026
23Indirect evidenceSão Paulo, BrazilHQ checked Sep 17, 20261,001-5,0002,088 contacts →

Indirect evidence

“Fundada em 1971, a Montcalm tem como missão, oferecer soluções de engenharia construtiva para implantação, ampliação e manutenção de indústrias de processos, sempre com o…”

Source: RevenueBase Database · checked Sep 17, 2026
24Strong evidenceFranceHQ checked Sep 17, 20265,001-10,0001,829 contacts →

Strong evidence

“The Ponticelli Frères Group is one of the main European service suppliers to companies in the energy (oil and gas, nuclear, renewable energy), industrial (chemical, steelworks…”

Source: RevenueBase Database · checked Sep 17, 2026
25Strong evidenceBlue Bell, PA, United StatesHQ checked Sep 17, 20265,001-10,0001,813 contacts →

Strong evidence

“Henkels & McCoy, Inc.(H&M) is a leading utility construction firm providing critical infrastructure for the power, oil & gas pipeline, telecommunications, and gas distribution…”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 25 of 3,353 oil and gas pipeline contractors worldwide

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Oil and gas pipeline contractors worldwide at a glance

As of Sep 17, 2026
24.4%Verified-email coverage
105.8Average contacts per company
11-50Median size (employees)
4.1%Largest-city concentration · Houston
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
696
11-50
1,082
51-200
862
201-500
351
501-1,000
150
1,001-5,000
146
5,001-10,000
26
10001+
26

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among oil and gas pipeline contractors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
23 countries, largest first: the United States, Canada, Germany, India, Italy, Nigeria, the United Kingdom, the United Arab Emirates, Australia, Brazil and 13 more. Country and city lists for oil and gas pipeline contractors are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “oil and gas pipeline contractors”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names oil and gas pipeline contractors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among oil and gas pipeline contractors, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 86,445 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Oil and gas pipeline contractors by location

23 lists · largest first

Every Oil and gas pipeline contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names oil and gas pipeline contractors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many oil and gas pipeline contractors are there worldwide?

RevenueBase identified 3,353 oil and gas pipeline contractors worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Saipem, headquartered in Milan, tops this list with the largest team on record.

Which country has the most oil and gas pipeline contractors?

The United States leads with 1,221 companies, followed by Canada (297) and Germany (203). Every oil and gas pipeline contractors list by country and city is linked on this page.

Which city has the most oil and gas pipeline contractors?

Houston leads with 136 headquartered companies, followed by Calgary (86) and Tehran (69).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 86,445 verified decision-maker contacts tracked across these 3,353 companies.

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 Smart Search, 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.