Company lists · Data refreshed November 2026

Top 25 Plant engineering consultants worldwide

RevenueBase identified 57,007 company matches for plant engineering consultants worldwide as of November 2026 and tracks 1,320,247 professional contacts across them, including 301,935 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for plant engineering consultants worldwide, 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 November 6, 2026. Country and city lists for plant engineering consultants follow the table.

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 Nov 6, 2026 How this list was built
57,007Companies
1,320,247Contacts tracked
301,935Verified emails
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The 25 largest plant engineering consultants worldwide

Ranked by team size
Top 25 of 57,007 company matches for plant engineering consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchReston, VA, United StatesHQ recorded Nov 6, 202610001+29,287 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202610001+25,123 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202610001+16,375 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCiudad De Buenos Aires, MexicoHQ recorded Nov 6, 202610001+10,642 contacts →

Exact match

“Techint Engineering & Construction provides project management, engineering, procurement and construction services on a global basis for large-scale projects in the Oil & Gas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchEpsom, FL, United KingdomHQ recorded Nov 6, 202610001+9,322 contacts →

Exact match

“Atkins is now AtkinsRéalis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,0008,994 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchGangdong-gu, South KoreaHQ recorded Nov 6, 20265,001-10,0007,517 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Antonio, TX, United StatesHQ recorded Nov 6, 202610001+7,226 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOlathe, NE, United StatesHQ recorded Nov 6, 20265,001-10,0006,576 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,0006,367 contacts →

Exact match

“THE WORLD'S LOCAL EPC PARTNER Kalpataru Projects International Limited (KPIL), part of the Kalpataru Group, is a leading global engineering and construction company with a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKhobar, Saudi ArabiaHQ recorded Nov 6, 202610001+6,004 contacts →

Exact match

“Nesma & Partners group is the leading provider of integrated project solutions in the Kingdom of Saudi Arabia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNoida, IndiaHQ recorded Nov 6, 20265,001-10,0004,996 contacts →

Exact match

“With over 5,500 employees across India and overseas, Isgec is driven by the challenge of delivering state-of-the-art, sustainable, and sensible engineering solutions to a growing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMannheim, GermanyHQ recorded Nov 6, 202610001+4,349 contacts →

Exact match

“Bilfinger is an international industrial services provider with a vision to be the No.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSouth Brisbane, AustraliaHQ recorded Nov 6, 20261,001-5,0004,282 contacts →

Exact match

“We transform complex challenges into sustainable solutions for the minerals & metals and industrial sectors worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchStuttgart, GermanyHQ recorded Nov 6, 202610001+3,958 contacts →

Exact match

“As an engineering, procurement, and construction (EPC) company, we design and deliver high-tech facilities for our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202610001+3,894 contacts →

Exact match

“The Company operates in sundry markets, taking the lead in such sectors as oil & gas production and processing, petrochemicals, power generation, steel production, paper & pulp…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHouston, LA, United StatesHQ recorded Nov 6, 20265,001-10,0003,819 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBlue Bell, United StatesHQ recorded Nov 6, 20261,001-5,0003,728 contacts →

Exact match

“IPS, a Berkshire Hathaway company, is a global leader in technical consulting, architecture, engineering, procurement, construction management, commissioning, qualification…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAix-en-provence, FranceHQ recorded Nov 6, 202610001+3,602 contacts →

Exact match

“En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMontpellier, FranceHQ recorded Nov 6, 202610001+3,588 contacts →

Exact match

“ALTRAD AT A GLANCE Altrad is a world leader in the provision of industrial services, generating high-added value solutions principally for the Energy, Power Generation, Oil & Gas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLahore, PakistanHQ recorded Nov 6, 20265,001-10,0003,557 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNasr City 1, United StatesHQ recorded Nov 6, 20261,001-5,0003,542 contacts →

Exact match

“Enppi is globally recognized as a major engineering, EPC main contractor, and management contractor, with decades of experience in onshore and offshore projects in the oil and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact match서울시, South KoreaHQ recorded Nov 6, 20265,001-10,0003,298 contacts →

Exact match

“Hyundai Engineering is a global engineering company providing integrated solutions across energy, process plants, buildings, and asset management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLas Condes, CanadaHQ recorded Nov 6, 20265,001-10,0003,239 contacts →

Exact match

“Golder was acquired by WSP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchHailey, ID, United StatesHQ recorded Nov 6, 20261,001-5,0003,161 contacts →

Exact match

“POWER Engineers is now part of WSP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 57,007 plant engineering consultants worldwide

See the full list, filter by size, metro and specialty, and access 301,935 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Plant engineering consultants worldwide at a glance

As of Nov 6, 2026
22.9%Verified-email coverage
23.2Average contacts per company
11-50Median size (employees)
1.0%Largest-city concentration · Tehran
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
26,631
11-50
19,100
51-200
7,233
201-500
2,031
501-1,000
756
1,001-5,000
557
5,001-10,000
77
10001+
84

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for plant engineering consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “plant engineering consultants” 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. 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 301,935 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 November 6, 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.

Plant engineering consultants by location

246 lists · largest first

Every Plant engineering consultants 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 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 “plant engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many plant engineering consultants are there worldwide?

RevenueBase identified 57,007 company matches for plant engineering consultants worldwide as of November 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?

Bechtel Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most plant engineering consultants?

The United States leads with 5,612 companies, followed by Brazil (4,783) and India (4,207). Every plant engineering consultants list by country and city is linked on this page.

Which city has the most plant engineering consultants?

Tehran leads with 589 company records, followed by Sao Paulo (571) and Pune (370).

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 301,935 professional contacts with verified work emails tracked across these 57,007 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 November 6, 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.