Company lists · Data refreshed September 2026

Mechanical engineering consultants: the worldwide list

RevenueBase identified 33,409 mechanical engineering consultants across the 64 countries with a published list, as of September 2026, and tracks 471,379 professional contacts across them, including 134,339 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This is the worldwide list of mechanical engineering consultants: the 64 country lists RevenueBase publishes for the category, summed and ranked as one. The company count is that sum, not a census of every company on earth; a country with no published list is not counted. 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.

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
33,409Companies
471,379Contacts tracked
134,339Verified emails
0Mobile numbers
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The 25 largest mechanical engineering consultants across the 64 countries with a published list

Ranked by team size
Top 25 of 33,409 mechanical engineering consultants across the 64 countries with a published list, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to mechanical engineering consultants: 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
1Partial evidenceOlathe, KS, United StatesHQ checked Sep 17, 20265,001-10,0006,113 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 17, 2026
2Indirect evidenceHailey, ID, United StatesHQ checked Sep 17, 20261,001-5,0004,013 contacts →

Indirect evidence

“POWER Engineers is now part of WSP.”

Source: RevenueBase Database · checked Sep 17, 2026
3Strong evidenceSandvika, NorwayHQ checked Sep 17, 20265,001-10,0003,555 contacts →

Strong evidence

“Norconsult is a multidisciplinary engineering and design consultancy, providing services to clients in the public and private sectors worldwide.”

Source: RevenueBase Database · checked Sep 17, 2026
4Partial evidenceLahore, PakistanHQ checked Sep 17, 20265,001-10,0003,266 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceOslo, NorwayHQ checked Sep 17, 20261,001-5,0002,553 contacts →

Indirect evidence

“Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.”

Source: RevenueBase Database · checked Sep 17, 2026
6Partial evidenceChantilly, VA, United StatesHQ checked Sep 17, 20261,001-5,0002,210 contacts →

Partial evidence

“ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.”

Source: RevenueBase Database · checked Sep 17, 2026
7Partial evidenceHolmdel, NJ, United StatesHQ checked Sep 17, 20261,001-5,0002,049 contacts →

Partial evidence

“Colliers Engineering & Design, an affiliate of Colliers, is a trusted provider of multi-discipline engineering and architecture, design and consulting services to public and…”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidenceCairo, EgyptHQ checked Sep 17, 20261,001-5,0001,833 contacts →

Partial evidence

“Since its founding in 1982, Shaker has established itself as one of the leading engineering and design firms across the MENA region, with offices in 8 countries and projects…”

Source: RevenueBase Database · checked Sep 17, 2026
9Indirect evidencePhiladelphia, MS, United StatesHQ checked Sep 17, 20265,001-10,0001,713 contacts →

Indirect evidence

“Yates Construction is part of The Yates Companies, Inc.”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidenceSt Louis, MO, United StatesHQ checked Sep 17, 20261,001-5,0001,555 contacts →

Indirect evidence

“BW Design Group is the only independent, fully integrated AEC firm powered by a Manufacturer's Mindset™.”

Source: RevenueBase Database · checked Sep 17, 2026
11Partial evidenceSchiedam, NetherlandsHQ checked Sep 17, 20261,001-5,0001,535 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 17, 2026
12Indirect evidenceLyon Cedex 07, FranceHQ checked Sep 17, 20261,001-5,0001,502 contacts →

Indirect evidence

“Welcome to Ekium!”

Source: RevenueBase Database · checked Sep 17, 2026
13Partial evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261,001-5,0001,487 contacts →

Partial evidence

“KPFF is a multi-office, multi-discipline engineering firm.”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceKent, OH, United StatesHQ checked Sep 17, 20261,001-5,0001,395 contacts →

Indirect evidence

“Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.”

Source: RevenueBase Database · checked Sep 17, 2026
15Partial evidenceMelville, NY, United StatesHQ checked Sep 17, 20261,001-5,0001,354 contacts →

Partial evidence

“With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…”

Source: RevenueBase Database · checked Sep 17, 2026
16Partial evidenceSouthfield, MI, United StatesHQ checked Sep 17, 20261,001-5,0001,290 contacts →

Partial evidence

“Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…”

Source: RevenueBase Database · checked Sep 17, 2026
17Partial evidenceCork, IrelandHQ checked Sep 17, 2026501-1,0001,257 contacts →

Partial evidence

“Dornan Engineering concentrates on a market where quality is appreciated.”

Source: RevenueBase Database · checked Sep 17, 2026
18Partial evidenceLuxembourgHQ checked Sep 17, 2026201-5001,156 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 17, 2026
19Strong evidencePerth, AustraliaHQ checked Sep 17, 20261,001-5,0001,143 contacts →

Strong evidence

“Lycopodium is an Australian headquartered engineering and project management consultancy which provides a complete range of services for the evaluation, development…”

Source: RevenueBase Database · checked Sep 17, 2026
20Indirect evidenceCumming, GA, United StatesHQ checked Sep 17, 2026501-1,0001,107 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 17, 2026
21Strong evidenceLondon, United KingdomHQ checked Sep 17, 2026501-1,0001,103 contacts →

Strong evidence

“We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.”

Source: RevenueBase Database · checked Sep 17, 2026
22Partial evidenceMinneapolis, MN, United StatesHQ checked Sep 17, 20261,001-5,0001,088 contacts →

Partial evidence

“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.”

Source: RevenueBase Database · checked Sep 17, 2026
23Strong evidenceHyderabad, IndiaHQ checked Sep 17, 20261,001-5,0001,071 contacts →

Strong evidence

“Established in 2011, Petrocon Engineers & Consultants is a trusted partner in Detailed Design Engineering, delivering high-precision solutions to industries worldwide.”

Source: RevenueBase Database · checked Sep 17, 2026
24Indirect evidenceElgin, IL, United StatesHQ checked Sep 17, 20261,001-5,0001,050 contacts →

Indirect evidence

“DGSTS, Inc.”

Source: RevenueBase Database · checked Sep 17, 2026
25Indirect evidenceCamaçari, BrazilHQ checked Sep 17, 2026501-1,0001,012 contacts →

Indirect evidence

“No mercado desde 1994, somos uma empresa que oferece soluções integradas de engenharia nas áreas de manutenção, construção e montagem eletromecânica e serviços especializados de…”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 25 of 33,409 mechanical engineering consultants across the 64 countries with a published list

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Mechanical engineering consultants worldwide at a glance

As of Sep 17, 2026
28.5%Verified-email coverage
14.1Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Sao Paulo
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
17,903
11-50
11,001
51-200
3,240
201-500
752
501-1,000
217
1,001-5,000
109
5,001-10,000
16
10001+
22

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 mechanical engineering consultants, 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
This worldwide list is the sum of the 64 country lists RevenueBase publishes for mechanical engineering consultants, largest first: the United States, Brazil, India, the United Kingdom, France, Italy, Germany, Canada, Australia, Türkiye and 54 more. Its company and contact totals add up those lists, so they understate the true worldwide figures: a country with no published list is not counted. The ranked table is exact across the countries covered, the largest companies of every country list ranked together with duplicates removed.
What qualifies
Companies worldwide whose own description of what they do matches “mechanical engineering consultants”. 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 mechanical engineering consultants), 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 mechanical engineering consultants, 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, 134,339 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
The country lists behind this page 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.

Mechanical engineering consultants by location

148 lists · largest first

Every Mechanical engineering consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date; the worldwide figures above are the sum of the 64 country lists.

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 mechanical engineering consultants, 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 mechanical engineering consultants are there worldwide?

RevenueBase identified 33,409 mechanical engineering consultants across the 64 countries with a published list, as of September 2026, matched on each company's own description of what it does rather than its industry code. The figure is the sum of those country lists, not a census of every company worldwide.

What is the largest company on this list?

Terracon, headquartered in Olathe, tops this list with the largest team on record.

Which country has the most mechanical engineering consultants?

The United States leads with 6,018 companies, followed by Brazil (2,807) and India (2,482). Every country with a published mechanical engineering consultants list is linked on this page.

Which city has the most mechanical engineering consultants?

Sao Paulo leads with 387 headquartered companies, followed by London (259) and Pune (243).

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 134,339 verified decision-maker contacts tracked across these 33,409 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. The country lists behind this page were pulled from the company graph 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.