Company lists · Data refreshed September 2026

Top 25 Architectural engineers worldwide

Name: Architectural engineers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 26,209 companies tracked

RevenueBase identified 26,209 architectural engineers worldwide as of September 2026 and tracks 337,358 professional contacts across them, including 120,974 with verified work emails. The United States is the largest market and London the largest hub.

This list covers architectural engineers 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 30, 2026. Country and city lists for architectural engineers 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 30, 2026 86% judged on-target in blind review

26,209Companies

337,358Contacts tracked

120,974Verified emails

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The 25 largest architectural engineers worldwide

Ranked by team size

Top 25 of 26,209 architectural engineers worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to architectural engineers: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Power Design	Indirect evidence	St. Petersburg, FL, United StatesHQ checked Sep 30, 2026	1,001-5,000	2,447 contacts →
	Indirect evidence “Power Design is a National Design Build Contractor, focused on innovative construction across multiple trades: electrical, mechanical, plumbing, and systems technologies.” Source: RevenueBase Database · checked Sep 30, 2026
2	Southland Industries	Partial evidence	Garden Grove, CA, United StatesHQ checked Sep 30, 2026	10001+	2,439 contacts →
	Partial evidence “As one of the nation's largest building systems experts, Southland Industries provides innovative, practical results for your engineering, construction, service, and energy needs.” Source: RevenueBase Database · checked Sep 30, 2026
3	Colliers Engineering & Design	Strong evidence	Holmdel, NJ, United StatesHQ checked Sep 30, 2026	1,001-5,000	2,049 contacts →
	Strong 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 30, 2026
4	DLR Group	Strong evidence	30 Offices, MN, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,992 contacts →
	Strong evidence “DLR Group is an integrated design firm delivering architecture, engineering, interiors, planning, and building optimization for new construction, renovation, and adaptive reuse.” Source: RevenueBase Database · checked Sep 30, 2026
5	IMEG	Partial evidence	Rock Island, IL, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,985 contacts →
	Partial evidence “Leaders in Engineering and Innovation.” Source: RevenueBase Database · checked Sep 30, 2026
6	IBI Group	Strong evidence	Amsterdam, ON, NetherlandsHQ checked Sep 30, 2026	1,001-5,000	1,682 contacts →
	Strong evidence “IBI Group is a technology-driven design firm with global architecture, engineering, planning and technology expertise.” Source: RevenueBase Database · checked Sep 30, 2026
7	Ssoe Group	Strong evidence	Toledo, OH, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,603 contacts →
	Strong evidence “As an internationally ranked architecture and engineering firm, SSOE is known for delivering unparalleled client value that advances the AEC industry.” Source: RevenueBase Database · checked Sep 30, 2026
8	Modern Niagara	Indirect evidence	Kanata, ON, CanadaHQ checked Sep 30, 2026	1,001-5,000	1,556 contacts →
	Indirect evidence “We build for life.” Source: RevenueBase Database · checked Sep 30, 2026
9	BW Design Group	Indirect evidence	St. Louis, MO, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,555 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 30, 2026
10	Emcor Group, INC	Indirect evidence	Norwalk, CT, United StatesHQ checked Sep 30, 2026	10001+	1,383 contacts →
	Indirect evidence “A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Source: RevenueBase Database · checked Sep 30, 2026
11	Macdonald-Miller Facility Solutions	Indirect evidence	Seatac, WA, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,303 contacts →
	Indirect evidence “MacDonald-Miller Facility Solutions is a full-service, design-build mechanical contractor in the Pacific Northwest.” Source: RevenueBase Database · checked Sep 30, 2026
12	Walter P Moore	Indirect evidence	Houston, TX, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,298 contacts →
	Indirect evidence “Welcome to Walter P Moore!” Source: RevenueBase Database · checked Sep 30, 2026
13	Hoare LEA	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	501-1,000	1,103 contacts →
	Partial evidence “We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Source: RevenueBase Database · checked Sep 30, 2026
14	Plan Group INC	Indirect evidence	Vaughan, ON, CanadaHQ checked Sep 30, 2026	1,001-5,000	1,092 contacts →
	Indirect evidence “Plan Group is a dynamic construction company that believes working together makes anything possible.” Source: RevenueBase Database · checked Sep 30, 2026
15	Mckenney's, INC	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,077 contacts →
	Indirect evidence “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Source: RevenueBase Database · checked Sep 30, 2026
16	BTP Consultants	Indirect evidence	Montigny-le-bretonneux, FranceHQ checked Sep 30, 2026	201-500	1,066 contacts →
	Indirect evidence “BTP Consultants est un bureau de ̂, et présent à l'échelle nationale depuis plus de.” Source: RevenueBase Database · checked Sep 30, 2026
17	Athié Wohnrath	Indirect evidence	São Paulo, BrazilHQ checked Sep 30, 2026	501-1,000	1,062 contacts →
	Indirect evidence “Para nós do Grupo a\|w, projetos impactantes são aqueles que traduzem o jeito de ser das pessoas e os valores das empresas.” Source: RevenueBase Database · checked Sep 30, 2026
18	Henderson Engineers	Partial evidence	Lenexa, KS, United StatesHQ checked Sep 30, 2026	501-1,000	1,040 contacts →
	Partial evidence “Henderson Engineers is a national building systems design firm with a wide array of engineering services and a portfolio representing a full range of markets including business…” Source: RevenueBase Database · checked Sep 30, 2026
19	Affiliated Engineers, INC	Partial evidence	Madison, WI, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,012 contacts →
	Partial evidence “Affiliated Engineers, Inc.(AEI) provides engineering leadership and whole-mission solutions for complex building, energy, and utility projects.” Source: RevenueBase Database · checked Sep 30, 2026
20	Ware Malcomb	Strong evidence	International Design Firm, United StatesHQ checked Sep 30, 2026	501-1,000	992 contacts →
	Strong evidence “Established in 1972, Ware Malcomb is a dynamic, forward-thinking design firm offering streamlined architecture, interior design, branding, and engineering services across the…” Source: RevenueBase Database · checked Sep 30, 2026
21	Harris	Partial evidence	St. Paul, MN, United StatesHQ checked Sep 30, 2026	1,001-5,000	982 contacts →
	Partial evidence “Harris is a leading national mechanical contractor specializing in design and engineering, construction, controls, service, manufacturing, conveyors and end-to-end building…” Source: RevenueBase Database · checked Sep 30, 2026
22	Mapa Group	Partial evidence	Ankara, TürkiyeHQ checked Sep 30, 2026	10001+	959 contacts →
	Partial evidence “Mapa Group has emerged as a global leader in the engineering and construction industry, now spanning three continents.” Source: RevenueBase Database · checked Sep 30, 2026
23	Cmta, INC	Indirect evidence	Louisville, KY, United StatesHQ checked Sep 30, 2026	501-1,000	936 contacts →
	Indirect evidence “CMTA is part of Legence, a Nasdaq Listed company.” Source: RevenueBase Database · checked Sep 30, 2026
24	Stellar	Partial evidence	Jacksonville, FL, United StatesHQ checked Sep 30, 2026	501-1,000	899 contacts →
	Partial evidence “Stellar, headquartered in Jacksonville, Florida, is a fully integrated firm focusing on design, engineering, construction, refrigeration, and mechanical and electrical services…” Source: RevenueBase Database · checked Sep 30, 2026
25	Shambaugh & Son, L.P	Indirect evidence	Fort Wayne, IN, United StatesHQ checked Sep 30, 2026	1,001-5,000	879 contacts →
	Indirect evidence “Founded in 1926, Shambaugh & Son, L.P.” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: architectural engineers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names architectural engineers.
Partial evidence: Its own public description names part of architectural engineers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name architectural engineers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 26,209 architectural engineers worldwide

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Architectural engineers worldwide at a glance

As of Sep 30, 2026

35.9%Verified-email coverage

12.9Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

14,371

11-50

8,662

51-200

2,283

201-500

467

501-1,000

146

1,001-5,000

5,001-10,000

10001+

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 architectural engineers, 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 architectural engineers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “architectural engineers”. 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 architectural engineers), 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 architectural engineers, 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, 120,974 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 30, 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.

Architectural engineers by location

135 lists · largest first

Every Architectural engineers 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 architectural engineers, 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 architectural engineers are there worldwide?

RevenueBase identified 26,209 architectural engineers 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?

Power Design, headquartered in St. Petersburg, tops this list with the largest team on record.

Which country has the most architectural engineers?

The United States leads with 5,802 companies, followed by Germany (1,507) and India (1,483). Every architectural engineers list by country and city is linked on this page.

Which city has the most architectural engineers?

London leads with 310 headquartered companies, followed by Sao Paulo (257) and New York (197).

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 120,974 verified decision-maker contacts tracked across these 26,209 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 30, 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.