Company lists · Data refreshed October 2026

Top 25 Building systems engineering companies worldwide

Name: Building systems engineering companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 14,355 companies tracked

RevenueBase identified 14,355 company matches for building systems engineering companies worldwide as of October 2026 and tracks 267,217 professional contacts across them, including 89,658 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for building systems engineering companies 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 October 9, 2026. Country and city lists for building systems engineering companies 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 Oct 9, 2026 How this list was built

14,355Companies

267,217Contacts tracked

89,658Verified emails

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The 25 largest building systems engineering companies worldwide

Ranked by team size

Top 25 of 14,355 company matches for building systems engineering companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Southland Industries	Exact match	Garden Grove, CA, United StatesHQ recorded Oct 9, 2026	10001+	3,010 contacts →
	Exact match “As one of the nation's largest building systems experts, Southland Industries provides innovative, practical results for your engineering, construction, service, and energy needs.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	ATS Corporation	Exact match	Cambridge, ON, CanadaHQ recorded Oct 9, 2026	5,001-10,000	2,856 contacts →
	Exact match “HELPING ADVANCE THE FUTURE ATS Corporation is an industry-leading automation solutions provider to many of the world's most successful companies.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	Croonwolter&dros	Exact match	Rotterdam, NetherlandsHQ recorded Oct 9, 2026	1,001-5,000	2,601 contacts →
	Exact match “For more than 140 years Croonwolter & dros has been in the vanguard of new developments.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Jones Engineering	Exact match	Dublin 4, IrelandHQ recorded Oct 9, 2026	1,001-5,000	2,558 contacts →
	Exact match “Jones Engineering is a multi-disciplined engineering contracting company, offering the complete range of engineering and building services installations.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	Power Design	Exact match	St. Petersburg, FL, United StatesHQ recorded Oct 9, 2026	1,001-5,000	2,536 contacts →
	Exact match “Power Design is a National Design Build Contractor, focused on innovative construction across multiple trades: electrical, mechanical, plumbing, and systems technologies.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	The Haskell Company	Exact match	Jacksonville, FL, United StatesHQ recorded Oct 9, 2026	1,001-5,000	2,390 contacts →
	Exact match “Haskell delivers over $3 billion annually in Architecture, Engineering, Construction (AEC) and Consulting solutions to assure certainty of outcome for complex capital projects…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Oct 9, 2026	1,001-5,000	1,778 contacts →
	Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Modern Niagara	Exact match	Kanata, ON, CanadaHQ recorded Oct 9, 2026	1,001-5,000	1,585 contacts →
	Exact match “We build for life.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	Emcor Group, INC	Exact match	Norwalk, CT, United StatesHQ recorded Oct 9, 2026	10001+	1,443 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Macdonald-Miller Facility Solutions	Exact match	Seatac, WA, United StatesHQ recorded Oct 9, 2026	1,001-5,000	1,365 contacts →
	Exact match “MacDonald-Miller Facility Solutions is a full-service, design-build mechanical contractor in the Pacific Northwest.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	Comfort Systems USA	Exact match	Houston, TX, United StatesHQ recorded Oct 9, 2026	10001+	1,354 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Bravida Danmark A S	Exact match	Brøndby, DenmarkHQ recorded Oct 9, 2026	1,001-5,000	1,342 contacts →
	Exact match “Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	Hoare LEA	Exact match	London, United KingdomHQ recorded Oct 9, 2026	501-1,000	1,146 contacts →
	Exact match “We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	Henderson Engineers	Exact match	Lenexa, KS, United StatesHQ recorded Oct 9, 2026	501-1,000	1,096 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	Plan Group INC	Exact match	Vaughan, ON, CanadaHQ recorded Oct 9, 2026	1,001-5,000	1,096 contacts →
	Exact match “Plan Group is a dynamic construction company that believes working together makes anything possible.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Mckenney's, INC	Exact match	Atlanta, GA, United StatesHQ recorded Oct 9, 2026	1,001-5,000	1,088 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Affiliated Engineers, INC	Exact match	Madison, WI, United StatesHQ recorded Oct 9, 2026	1,001-5,000	1,059 contacts →
	Exact match “Affiliated Engineers, Inc.(AEI) provides engineering leadership and whole-mission solutions for complex building, energy, and utility projects.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	Mapa Group	Exact match	Ankara, TürkiyeHQ recorded Oct 9, 2026	10001+	1,055 contacts →
	Exact match “Mapa Group has emerged as a global leader in the engineering and construction industry, now spanning three continents.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Cmta, INC	Exact match	Louisville, KY, United StatesHQ recorded Oct 9, 2026	501-1,000	1,016 contacts →
	Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	ARI	Exact match	East Peoria, IL, United StatesHQ recorded Oct 9, 2026	1,001-5,000	986 contacts →
	Exact match “ARi is a global engineering firm headquartered in East Peoria, Illinois, USA offering services for: Embedded Software, Product Engineering, Manufacturing Engineering and Testing &…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	LMI Aerospace	Exact match	St Charles, MO, DR CongoHQ recorded Oct 9, 2026	1,001-5,000	967 contacts →
	Exact match “LMI is a world-class leader in designing, building and manufacturing aerospace structures, systems and components for the large commercial, business and regional, and military…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	Stellar	Exact match	Jacksonville, FL, United StatesHQ recorded Oct 9, 2026	501-1,000	922 contacts →
	Exact match “Stellar, headquartered in Jacksonville, Florida, is a fully integrated firm focusing on design, engineering, construction, refrigeration, and mechanical and electrical services…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Anel Group	Exact match	İstanbul, TürkiyeHQ recorded Oct 9, 2026	1,001-5,000	913 contacts →
	Exact match “Founded by Rıdvan Çelikel in 1986, Anel is a global contracting company with its expertise in MEP systems in large scale and challenging projects.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	MSE Engenharia	Exact match	Londrina, BrazilHQ recorded Oct 9, 2026	201-500	897 contacts →
	Exact match “Com 46 anos de profundo know-how, adquirido através do atendimento aos mais diversos segmentos industriais, a MSE Engenharia é uma empresa que se orgulha de hoje ser completa em…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Viveris	Exact match	Boulogne-billancourt, FranceHQ recorded Oct 9, 2026	1,001-5,000	870 contacts →
	Exact match “Viveris is a consulting and engineering company with two main activities - IT consulting.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “building systems engineering companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 14,355 building systems engineering companies worldwide

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Building systems engineering companies worldwide at a glance

As of Oct 9, 2026

33.6%Verified-email coverage

18.6Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Sao Paulo

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

6,111

11-50

5,311

51-200

2,088

201-500

502

501-1,000

171

1,001-5,000

5,001-10,000

10001+

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 building systems engineering companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “building systems engineering companies” 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 89,658 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 October 9, 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.

Building systems engineering companies by location

75 lists · largest first

Every Building systems engineering companies 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 “building systems engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building systems engineering companies are there worldwide?

RevenueBase identified 14,355 company matches for building systems engineering companies worldwide as of October 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?

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

Which country has the most building systems engineering companies?

The United States leads with 2,681 companies, followed by the United Kingdom (1,172) and Germany (856). Every building systems engineering companies list by country and city is linked on this page.

Which city has the most building systems engineering companies?

Sao Paulo leads with 158 company records, followed by London (147) and Istanbul (120).

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 89,658 professional contacts with verified work emails tracked across these 14,355 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 October 9, 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.