Company lists · Data refreshed October 2026

Top 25 Ecological contractors worldwide

Name: Ecological contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 24, 2026 16,874 companies tracked

RevenueBase identified 16,874 company matches for ecological contractors worldwide as of October 2026 and tracks 197,413 professional contacts across them, including 56,239 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for ecological contractors 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 24, 2026. Country and city lists for ecological contractors 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 24, 2026 How this list was built

16,874Companies

197,413Contacts tracked

56,239Verified emails

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The 25 largest ecological contractors worldwide

Ranked by team size

Top 25 of 16,874 company matches for ecological contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 24, 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	Ambipar	Exact match	Sao Paulo, BrazilHQ recorded Oct 24, 2026	10001+	2,782 contacts →
	Exact match “Our mission is to promote ecological transformation by investing in decarbonization projects, circular economy, energy transition, and environmental regeneration.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
2	Saulsbury	Exact match	Odessa, TX, United StatesHQ recorded Oct 24, 2026	1,001-5,000	1,227 contacts →
	Exact match “Saulsbury Industries is a full-service Engineering Procurement and Construction (EPC) contractor that provides engineering, general construction, electrical & instrumentation…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
3	DGE Danmark	Exact match	Højbjerg, DenmarkHQ recorded Oct 24, 2026	n/a	1,171 contacts →
	Exact match “Miljø er vores kernekompetence og vores ansvar.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
4	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Oct 24, 2026	1,001-5,000	1,077 contacts →
	Exact match “Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
5	ENVU	Exact match	Cary, NC, United StatesHQ recorded Oct 24, 2026	1,001-5,000	867 contacts →
	Exact match “At Envu, we partner with our customers to design world-class, forward-thinking innovations that protect and enhance the health of environments around the world.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
6	BK Gulf LLC	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 24, 2026	5,001-10,000	819 contacts →
	Exact match “Established in 1978, BK Gulf LLC is a leading contractor in electrical, mechanical, instrumentation and building services within the UAE & Middle East market.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
7	MASCO	Exact match	Riyadh, Saudi ArabiaHQ recorded Oct 24, 2026	10001+	817 contacts →
	Exact match “Mohammed Ali Al swailem Group (MASCO) is a general contractor specialized in different field of construction that range from infrastructure to building, water, environmental and…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
8	OIL Design & Construction Company Odcc	Exact match	Tehran, IranHQ recorded Oct 24, 2026	1,001-5,000	816 contacts →
	Exact match “Oil Design & Construction Company (ODCC) We are a first grade full-service contractor ranked by the GOI primarily serving the hydrocarbon market with the capability to execute…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
9	Contract Resources PTY LTD	Exact match	Perth, United StatesHQ recorded Oct 24, 2026	501-1,000	761 contacts →
	Exact match “Contract Resources have been providing specialised industrial services for over 30 years to the heavy process industries in Australia, New Zealand and the Middle East.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
10	Environmental Science Associates	Exact match	San Francisco, CA, United StatesHQ recorded Oct 24, 2026	501-1,000	730 contacts →
	Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
11	Ripconciv	Exact match	Quito, EcuadorHQ recorded Oct 24, 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 24, 2026 · View company records in RevenueBase
12	Quanta Infrastructure Solutions Group	Exact match	Houston, TX, United StatesHQ recorded Oct 24, 2026	501-1,000	690 contacts →
	Exact match “Quanta Infrastructure Solutions Group (QISG) is a recognized leader in EPC, design-build, and CMAR services for electrical infrastructure, wastewater and specialty projects…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
13	Resource Environmental Solutions LLC	Exact match	Bellaire, TX, United StatesHQ recorded Oct 24, 2026	501-1,000	678 contacts →
	Exact match “As the nation’s largest nature-based solutions company, RES (Resource Environmental Solutions) is restoring a resilient earth for a modern world, project by project.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
14	CTA Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 24, 2026	201-500	665 contacts →
	Exact match “A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
15	Mcmahon Services	Exact match	Dry Creek, United StatesHQ recorded Oct 24, 2026	1,001-5,000	629 contacts →
	Exact match “McMahon Services offers a one-stop solution for construction, industrial and environmental services.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
16	Prommac PTY LTD	Exact match	Secunda, South AfricaHQ recorded Oct 24, 2026	1,001-5,000	615 contacts →
	Exact match “Prommac is a 68% Black Owned & 30% Black Woman Owned Level 1 B-BBEE certified company that forms part of the CG Tech group of companies that includes Kumunyack (SA), AL Laith…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
17	Saudi Salco Contracting Company	Exact match	Jeddah, Saudi ArabiaHQ recorded Oct 24, 2026	1,001-5,000	589 contacts →
	Exact match “The story of SAUDI SALCO CONTRACTING COMPANY (SALCO) began in the year 1982 when it was incorporated under the rules and laws of Saudi Arabia.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
18	Biotope	Exact match	Mèze, FranceHQ recorded Oct 24, 2026	201-500	553 contacts →
	Exact match “Fondée en 1993 par des passionnés de nature engagés, Biotope s’est imposée au fil des années comme précurseur et leader mondial de l’ingénierie environnementale et de la…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
19	Greenix	Exact match	Orem, UT, United StatesHQ recorded Oct 24, 2026	501-1,000	543 contacts →
	Exact match “Greenix is a leading provider of environmentally friendly pest control and animal management in the United States.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
20	Eocene Environmental Group	Exact match	United StatesHQ recorded Oct 24, 2026	501-1,000	542 contacts →
	Exact match “A passionate leader in the environmental stewardship industry, Eocene Environmental Group is built on years of enduring relationships and partnerships with a sustainable…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
21	ENI Rewind	Exact match	San Donato Milanese, ItalyHQ recorded Oct 24, 2026	1,001-5,000	539 contacts →
	Exact match “We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
22	Cleanic Ambiental	Exact match	Jaguariúna, BrazilHQ recorded Oct 24, 2026	1,001-5,000	524 contacts →
	Exact match “Presente no mercado desde 1996, a Cleanic Ambiental é um novo conceito em terceirização.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
23	Rincon Consultants	Exact match	Ventura, CA, United StatesHQ recorded Oct 24, 2026	501-1,000	502 contacts →
	Exact match “Rincon Consultants is a multidisciplinary environmental, planning, and advisory firm.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
24	Fagen INC	Exact match	Granite Falls, MN, IndiaHQ recorded Oct 24, 2026	1,001-5,000	498 contacts →
	Exact match “Fagen, Inc.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
25	Sitelogiq	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 24, 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 24, 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 “ecological contractors”. 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 16,874 ecological contractors worldwide

See the full list, filter by size, metro and specialty, and access 56,239 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ecological contractors worldwide at a glance

As of Oct 24, 2026

28.5%Verified-email coverage

11.7Average contacts per company

1-10Median size (employees)

0.8%Largest-city concentration · Sao Paulo

Oct 24, 2026Page data refreshed

Companies by employee count

1-10

9,100

11-50

5,261

51-200

1,725

201-500

427

501-1,000

137

1,001-5,000

102

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 ecological contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “ecological contractors” 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 56,239 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 24, 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.

Ecological contractors by location

64 lists · largest first

Every Ecological contractors 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 “ecological contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ecological contractors are there worldwide?

RevenueBase identified 16,874 company matches for ecological contractors 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?

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

Which country has the most ecological contractors?

The United States leads with 4,073 companies, followed by Brazil (1,406) and the United Kingdom (1,124). Every ecological contractors list by country and city is linked on this page.

Which city has the most ecological contractors?

Sao Paulo leads with 133 company records, followed by London (86) and Paris (81).

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 56,239 professional contacts with verified work emails tracked across these 16,874 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 24, 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.