Company lists · Data refreshed October 2026

Top 25 Green building firms worldwide

Name: Green building firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 18,597 companies tracked

RevenueBase identified 18,597 company matches for green building firms worldwide as of October 2026 and tracks 194,628 professional contacts across them, including 69,263 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for green building 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 October 13, 2026. Country and city lists for green building 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 Oct 13, 2026 How this list was built

18,597Companies

194,628Contacts tracked

69,263Verified emails

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The 25 largest green building firms worldwide

Ranked by team size

Top 25 of 18,597 company matches for green building firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Oct 13, 2026	10001+	29,839 contacts →
	Exact match “Stantec empowers clients, people, and communities to rise to the world’s greatest challenges at a time when the world faces more unprecedented concerns than ever before.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	WSP I Sverige	Exact match	Stockholm-marievik, SwedenHQ recorded Oct 13, 2026	10001+	2,699 contacts →
	Exact match “What if you could shape built and natural environments – and the future of those that use them?” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	Mckinstry	Exact match	Seattle, WA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,293 contacts →
	Exact match “We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	DLR Group	Exact match	30 Offices, MN, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,039 contacts →
	Exact match “DLR Group is an integrated design firm delivering architecture, engineering, interiors, planning, and building optimization for new construction, renovation, and adaptive reuse.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	Posco E&c	Exact match	United StatesHQ recorded Oct 13, 2026	5,001-10,000	1,382 contacts →
	Exact match “Construction & Engineering” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	Cundall	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Oct 13, 2026	1,001-5,000	1,337 contacts →
	Exact match “We are a global, multi-disciplinary consultancy delivering sustainable engineering and design solutions across the built environment.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	OLA	Exact match	Austin, TX, United StatesHQ recorded Oct 13, 2026	n/a	1,150 contacts →
	Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	The Beck Group	Exact match	Dallas, TX, United StatesHQ recorded Oct 13, 2026	501-1,000	1,135 contacts →
	Exact match “We integrate architecture, construction, sustainability, and technology to transform how our clients design and build.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Morshedy Group	Exact match	Kattameya, EgyptHQ recorded Oct 13, 2026	5,001-10,000	1,095 contacts →
	Exact match “Since our foundation in 1983, Morshedy Group has been in the right place at the right time.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	KPF	Exact match	New York, NY, United StatesHQ recorded Oct 13, 2026	501-1,000	1,058 contacts →
	Exact match “KPF is dedicated to transforming cities through impactful design, collaborating closely with the world’s most forward-thinking clients to create high performing, carefully crafted…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Mapa Group	Exact match	Ankara, TürkiyeHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
12	TSE	Exact match	São Paulo/sp, BrazilHQ recorded Oct 13, 2026	5,001-10,000	1,035 contacts →
	Exact match “Somos a TSE - Total Sustainable Engineering.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	NORR	Exact match	Toronto, ON, CanadaHQ recorded Oct 13, 2026	501-1,000	970 contacts →
	Exact match “NORR is a global team of 800 architects, engineers, planners, and interior designers creating design strategies and solutions that express the unique vision of every project.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14	BPA	Exact match	Montréal, QC, CanadaHQ recorded Oct 13, 2026	1,001-5,000	925 contacts →
	Exact match “IMPACTFUL ENGINEERING At BPA, it’s simple: we are building experts.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	Grontmij Group	Exact match	Halmstad, SwedenHQ recorded Oct 13, 2026	10001+	907 contacts →
	Exact match “Grontmij is part of Sweco.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	VAN Dorp	Exact match	Zoetermeer, NetherlandsHQ recorded Oct 13, 2026	1,001-5,000	897 contacts →
	Exact match “Bij Van Dorp zijn wij ervan doordrongen dat wij de wereld niet voor onszelf hebben.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Archetype Group	Exact match	Ho Chi Minh City, VietnamHQ recorded Oct 13, 2026	1,001-5,000	863 contacts →
	Exact match “Archetype Group is a leading international construction consultancy company, we are shaping buildings that last with a full range of consulting services: Architecture & Master…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	Introba	Exact match	St. Louis, MO, United StatesHQ recorded Oct 13, 2026	1,001-5,000	816 contacts →
	Exact match “Introba is one of the world’s largest building engineering and consulting firms with more than employees in offices across the United States, Canada, the United Kingdom, Serbia…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	Lpa, INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 13, 2026	501-1,000	757 contacts →
	Exact match “Since LPA was founded in 1965, it's been our mission to deliver timeless, sustainable designs that benefit the environment, generate lasting value, enrich the human experience and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Losinger Marazzi SA	Exact match	Berne, SwitzerlandHQ recorded Oct 13, 2026	501-1,000	723 contacts →
	Exact match “Losinger Marazzi AG – Building for life Als Pionierin des Schweizer Bauwesens zeichnet sich Losinger Marazzi seit über einem Jahrhundert durch ihre Innovationsfähigkeit aus.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Ripconciv	Exact match	Quito, EcuadorHQ recorded Oct 13, 2026	1,001-5,000	710 contacts →
	Exact match “CONSTRUIMOS EL FUTURO A PASO FIRME DE UNA MANERA SOSTENIBLE Contribuimos con la protección del ambiente usando prácticas de construcción verde.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	Bengt Dahlgren	Exact match	Stockholm, SwedenHQ recorded Oct 13, 2026	501-1,000	623 contacts →
	Exact match “Vi vill vara en föregångare i bygg- och fastighetsbranschen till effektiva, miljövänliga och motståndskraftiga fastigheter för människor att må bra i.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	O&g Industries, INC	Exact match	Torrington, CT, United StatesHQ recorded Oct 13, 2026	501-1,000	543 contacts →
	Exact match “O&G is Connecticut’s largest privately-held construction company, one of the country’s Top 400 Contractors and a Top 100 Green Building Contractor.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	Little Diversified Architectural Consulting	Exact match	Little Global, VA, United StatesHQ recorded Oct 13, 2026	201-500	524 contacts →
	Exact match “At Little, we deliver results far beyond architecture-results you wouldn’t expect from an architectural firm.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Sitelogiq	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 13, 2026	501-1,000	491 contacts →
	Exact match “SitelogIQ provides design, engineering, and construction management services that help organizations nationwide modernize their facilities and infrastructure.” Recorded in the RevenueBase company graph · Oct 13, 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 “green building firms”. 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 18,597 green building firms worldwide

See the full list, filter by size, metro and specialty, and access 69,263 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green building firms worldwide at a glance

As of Oct 13, 2026

35.6%Verified-email coverage

10.5Average contacts per company

1-10Median size (employees)

1.4%Largest-city concentration · London

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

12,504

11-50

4,732

51-200

939

201-500

201

501-1,000

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 green building firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “green building 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 69,263 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 13, 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.

Green building firms by location

101 lists · largest first

Every Green building 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 “green building firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green building firms are there worldwide?

RevenueBase identified 18,597 company matches for green building firms 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?

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

Which country has the most green building firms?

The United States leads with 3,105 companies, followed by India (1,156) and Germany (1,100). Every green building firms list by country and city is linked on this page.

Which city has the most green building firms?

London leads with 261 company records, followed by Paris (137) and New York (135).

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 69,263 professional contacts with verified work emails tracked across these 18,597 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 13, 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.