Company lists · Data refreshed September 2026

Top 25 Pipeline engineering consulting firms worldwide

RevenueBase identified 22,586 pipeline engineering consulting firms worldwide as of September 2026 and tracks 919,073 professional contacts across them, including 237,200 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers pipeline engineering consulting firms 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 29, 2026. Country and city lists for pipeline engineering consulting firms 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 29, 2026 86% judged on-target in blind review
22,586Companies
919,073Contacts tracked
237,200Verified emails
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The 25 largest pipeline engineering consulting firms worldwide

Ranked by team size
Top 25 of 22,586 pipeline engineering consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to pipeline engineering consulting firms: 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 evidenceDallas, TX, United StatesHQ checked Sep 29, 202610001+63,914 contacts →

Indirect evidence

“AECOM is the global infrastructure leader, committed to delivering a better world.”

Source: RevenueBase Database · checked Sep 29, 2026
2Strong evidenceAberdeen, United KingdomHQ checked Sep 29, 202610001+26,949 contacts →

Strong evidence

“Wood is a global leader in consulting and engineering, delivering critical solutions across energy and materials markets.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceReston, VA, United StatesHQ checked Sep 29, 202610001+25,068 contacts →

Partial evidence

“Bechtel is a trusted engineering, construction and project management partner to industry and government.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceMontreal, QC, CanadaHQ checked Sep 29, 202610001+22,733 contacts →

Partial evidence

“We are a world-class engineering services and nuclear organization.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202610001+20,135 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidencePasadena, CA, United StatesHQ checked Sep 29, 202610001+12,999 contacts →

Partial evidence

“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceOverland Park, KS, United StatesHQ checked Sep 29, 202610001+10,851 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceEpsom, United KingdomHQ checked Sep 29, 202610001+9,297 contacts →

Indirect evidence

“Atkins is now AtkinsRéalis.”

Source: RevenueBase Database · checked Sep 29, 2026
9Strong evidenceMumbai, IndiaHQ checked Sep 29, 20265,001-10,0008,440 contacts →

Strong evidence

“Tata Consulting Engineers Limited (TCE) is the largest Indian private sector engineering and project consultancy and an emerging global leader in integrated engineering solutions.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceBoston, MA, United StatesHQ checked Sep 29, 20265,001-10,0007,527 contacts →

Indirect evidence

“CDM Smith is shaping what’s next, now, with world class solutions in water, environment, transportation and energy to public and private clients worldwide.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceDubai, United Arab EmiratesHQ checked Sep 29, 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 29, 2026
12Partial evidenceGangdong-gu, South KoreaHQ checked Sep 29, 20265,001-10,0007,011 contacts →

Partial evidence

“SAMSUNG E&A is one of the world’s leading engineering, procurement, construction and project management (EPC & PM) companies.”

Source: RevenueBase Database · checked Sep 29, 2026
13Strong evidenceOlathe, KS, United StatesHQ checked Sep 29, 20265,001-10,0006,113 contacts →

Strong evidence

“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceSharjah, United Arab EmiratesHQ checked Sep 29, 20265,001-10,0006,080 contacts →

Indirect 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 29, 2026
15Partial evidenceSeoul, South KoreaHQ checked Sep 29, 20265,001-10,0006,051 contacts →

Partial evidence

“GS E&C is Korea`s representative global contractor leveraging its experience in Civil Engineering, Building, Oil & Gas, Power Plants and Renewable Energy to continually provide…”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceParma, United StatesHQ checked Sep 29, 20265,001-10,0004,895 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
17Strong evidencePittsburgh, PA, United StatesHQ checked Sep 29, 20265,001-10,0004,362 contacts →

Strong evidence

“Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceChicago, WY, United StatesHQ checked Sep 29, 20261,001-5,0004,156 contacts →

Partial evidence

“Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceMexicoHQ checked Sep 29, 202610001+3,752 contacts →

Indirect evidence

“Somos una empresa mexicana con 68 años de experiencia en brindar soluciones integrales a retos complejos de infraestructura.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceHyderabad, IndiaHQ checked Sep 29, 2026n/a3,506 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceSugar Land, TX, United StatesHQ checked Sep 29, 20265,001-10,0003,460 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceLahore, PakistanHQ checked Sep 29, 20265,001-10,0003,266 contacts →

Indirect evidence

“NESPAK is Pakistan’s premier consultancy organization (established in 1973).”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceYumbo, ColombiaHQ checked Sep 29, 20261,001-5,0003,261 contacts →

Indirect evidence

“Basados en nuestros talentos y buena actitud, desarrollamos la ingeniería para brindar un mejor presente y futuro.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceLaval, QC, CanadaHQ checked Sep 29, 20261,001-5,0003,252 contacts →

Indirect evidence

“CIMA+ fournit une gamme complète de services de génie-conseil partout au Canada.”

Source: RevenueBase Database · checked Sep 29, 2026
25Partial evidenceLondon, United KingdomHQ checked Sep 29, 20261,001-5,0003,095 contacts →

Partial 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 29, 2026

Showing 25 of 22,586 pipeline engineering consulting firms worldwide

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Pipeline engineering consulting firms worldwide at a glance

As of Sep 29, 2026
25.8%Verified-email coverage
40.7Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Houston
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
9,365
11-50
7,539
51-200
3,558
201-500
1,147
501-1,000
420
1,001-5,000
352
5,001-10,000
65
10001+
57

Email recency is reported on each country list linked below.

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 pipeline engineering consulting firms, 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
Every country. Country and city lists for pipeline engineering consulting firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “pipeline engineering consulting firms”. 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 pipeline engineering consulting firms), 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 pipeline engineering consulting firms, 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, 237,200 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 29, 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.

Pipeline engineering consulting firms by location

111 lists · largest first

Every Pipeline engineering consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 pipeline engineering consulting firms, 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 pipeline engineering consulting firms are there worldwide?

RevenueBase identified 22,586 pipeline engineering consulting firms 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?

AECOM, headquartered in Dallas, tops this list with the largest team on record.

Which country has the most pipeline engineering consulting firms?

The United States leads with 3,379 companies, followed by Brazil (1,591) and India (1,255). Every pipeline engineering consulting firms list by country and city is linked on this page.

Which city has the most pipeline engineering consulting firms?

Houston leads with 323 headquartered companies, followed by Tehran (284) and Calgary (260).

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 237,200 verified decision-maker contacts tracked across these 22,586 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 29, 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.