Company lists · Data refreshed September 2026

Top 25 Chemical plant consulting firms worldwide

RevenueBase identified 9,604 company matches for chemical plant consulting firms worldwide as of September 2026 and tracks 187,757 professional contacts across them, including 40,521 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for chemical plant consulting firms 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 September 27, 2026. Country and city lists for chemical plant consulting firms 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 Sep 27, 2026 How this list was built
9,604Companies
187,757Contacts tracked
40,521Verified emails
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The 25 largest chemical plant consulting firms worldwide

Ranked by team size
Top 25 of 9,604 company matches for chemical plant consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchAberdeen, United KingdomHQ recorded Sep 27, 202610001+26,949 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 · Sep 27, 2026 · View company records in RevenueBase
2Exact matchChiba-shi Mihama-ku, JapanHQ recorded Sep 27, 20261,001-5,0002,760 contacts →

Exact match

“Toyo Engineering is an engineering company that constructs the plant in a global stage centering on the plant engineering field.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Sep 27, 20265,001-10,0001,890 contacts →

Exact match

“Aarvi Encon has established it's leadership in providing Engineering Consultancy and Technical Assistance to Oil & Gas, Refinery, Petrochemical, Pipelines, Power & Infrastructure…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchJubail Industrial City, Saudi ArabiaHQ recorded Sep 27, 20265,001-10,0001,812 contacts →

Exact match

“AYTB had recognized the Saudi Dream 45 years ago when the Royal Commission for Jubail and Yanbu was set up with a vision to build a huge petrochemical industry to catapult Saudi…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchRueil-malmaison, FranceHQ recorded Sep 27, 20261,001-5,0001,572 contacts →

Exact match

“The Axens Group offers a complete range of solutions for the conversion of oil and biomass into cleaner fuels, the production and purification of major petrochemical…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchSchiedam, NetherlandsHQ recorded Sep 27, 20261,001-5,0001,535 contacts →

Exact match

“Engineering for greenfield plants or modification and modernization projects for brownfield plants: Bilfinger delivers the optimized solution for our customers in terms of…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchYokohama, JapanHQ recorded Sep 27, 20265,001-10,0001,514 contacts →

Exact match

“Since its establishment in 1948, Chiyoda's business field has covered the energy sector such as oil and gas industry including energy conservation, and chemicals, environment…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchLyon Cedex 07, FranceHQ recorded Sep 27, 20261,001-5,0001,502 contacts →

Exact match

“Welcome to Ekium!”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchIndiaHQ recorded Sep 27, 20261,001-5,0001,385 contacts →

Exact match

“Chemplast Sanmar – fifty years old and the flagship company of The Sanmar Group – is a major manufacturer of PVC resins, Caustic Soda, Chlorochemicals, Refrigerant gas, Industrial…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchPune, IndiaHQ recorded Sep 27, 20261,001-5,0001,296 contacts →

Exact match

“TKIL Industries Pvt.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchLuxembourgHQ recorded Sep 27, 2026201-5001,156 contacts →

Exact match

“Rooted and founded in Luxembourg more than a 150 years ago, Paul Wurth is a valued industrial engineering partner in the global ironmaking industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchKolkata, IndiaHQ recorded Sep 27, 20261,001-5,000894 contacts →

Exact match

“M.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchTulsa, OK, United StatesHQ recorded Sep 27, 20261,001-5,000883 contacts →

Exact match

“Since 1979, Zeeco is the trusted worldwide source for the design and manufacturing of combustion and environmental solutions for the refining, petrochemical, production, power and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchTehran, IranHQ recorded Sep 27, 20261,001-5,000869 contacts →

Exact match

“Oil Industries’ Commissioning and Operation Company (OICO) is incorporated to manage and execute commissioning and start-up, operation, maintenance and professional training for…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchSantiago, ChileHQ recorded Sep 27, 2026501-1,000807 contacts →

Exact match

“We are Pares & Alvarez, our extensive experience and the recognition of our clients makes us one of the leading Engineering Companies in environmental, consulting, engineering and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchEstaque, FranceHQ recorded Sep 27, 20261,001-5,000732 contacts →

Exact match

“For over 50 years the Parlym Group has managed to establish itself as a major player in industrial engineering all over the world.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchStockholm, SwedenHQ recorded Sep 27, 20261,001-5,000688 contacts →

Exact match

“Sigma Industry har tagit ett långsiktigt åtagande för att förnya konsultbranschen inom ingenjörstjänster.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchSevilla, SpainHQ recorded Sep 27, 20261,001-5,000688 contacts →

Exact match

“INERCO, with 30 years of experience, offers comprehensive services and develops advanced technologies that contribute to sustainable industrial development, acting as a leader in…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchGrambach / Graz, AustriaHQ recorded Sep 27, 20261,001-5,000680 contacts →

Exact match

“VTU Group is an international technology and engineering service provider for the life sciences and chemical industries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchPune, IndiaHQ recorded Sep 27, 2026501-1,000659 contacts →

Exact match

“Fabtech Projects and Engineers Ltd is among the leaders in engineering procurement and construction (EPC) services to oil and gas, chemical and sugar industries in India.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchLeatherhead, United KingdomHQ recorded Sep 27, 2026501-1,000648 contacts →

Exact match

“KBR Consulting is one of the world's foremost engineering consultancies specializing in the hydrocarbon and energy industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchGeleen, NetherlandsHQ recorded Sep 27, 2026501-1,000594 contacts →

Exact match

“To maximize results Sitech helps companies in the processing and chemical industries and companies in the energy sector to grow and develop further.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchLongview, TX, United StatesHQ recorded Sep 27, 2026501-1,000578 contacts →

Exact match

“Since 1991, Applied Consultants Inc.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchTurku, FinlandHQ recorded Sep 27, 20261,001-5,000571 contacts →

Exact match

“Elomatic is an international consulting and engineering company that provides top-level expert services, products and turnkey solutions to process, machinery, marine, energy and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 27, 2026501-1,000532 contacts →

Exact match

“Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 9,604 chemical plant consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 40,521 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Chemical plant consulting firms worldwide at a glance

As of Sep 27, 2026
21.6%Verified-email coverage
19.5Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · Tehran
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
4,587
11-50
3,057
51-200
1,322
201-500
365
501-1,000
126
1,001-5,000
89
5,001-10,000
17
10001+
10

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 chemical plant consulting firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “chemical plant consulting firms” 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 40,521 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 27, 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.

Chemical plant consulting firms by location

38 lists · largest first

Every Chemical plant 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 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 “chemical plant consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many chemical plant consulting firms are there worldwide?

RevenueBase identified 9,604 company matches for chemical plant consulting firms worldwide 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?

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

Which country has the most chemical plant consulting firms?

The United States leads with 1,212 companies, followed by India (1,052) and Brazil (771). Every chemical plant consulting firms list by country and city is linked on this page.

Which city has the most chemical plant consulting firms?

Tehran leads with 162 company records, followed by Houston (129) and Pune (117).

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 40,521 professional contacts with verified work emails tracked across these 9,604 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 27, 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.