Company lists · Data refreshed October 2026

Top 25 Environmental consultants energy companies worldwide

Name: Environmental consultants energy companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 45,559 companies tracked

RevenueBase identified 45,559 company matches for environmental consultants energy companies worldwide as of October 2026 and tracks 817,925 professional contacts across them, including 257,461 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for environmental consultants energy 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 12, 2026. Country and city lists for environmental consultants energy 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 12, 2026 How this list was built

45,559Companies

817,925Contacts tracked

257,461Verified emails

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The 25 largest environmental consultants energy companies worldwide

Ranked by team size

Top 25 of 45,559 company matches for environmental consultants energy companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Worley	Exact match	Sydney, AustraliaHQ recorded Oct 12, 2026	10001+	35,018 contacts →
	Exact match “Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Veolia	Exact match	Aubervilliers, FranceHQ recorded Oct 12, 2026	10001+	31,975 contacts →
	Exact match “Veolia, a global leader in environmental services, works every day to build environmental security for the benefit of public health and the competitiveness of industries and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
4	Autonomo	Exact match	Córdoba, SpainHQ recorded Oct 12, 2026	n/a	22,351 contacts →
	Exact match “Calidad y Gestión es una empresa consultora de ámbito internacional especializada en servicios de asesoría en las siguientes áreas: Calidad Medio Ambiente Responsabilidad social…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	WOOD	Exact match	Aberdeen, United KingdomHQ recorded Oct 12, 2026	10001+	16,351 contacts →
	Exact match “Wood is a global leader in consulting and engineering, delivering critical solutions across energy and materials markets.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Oct 12, 2026	10001+	13,725 contacts →
	Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Oct 12, 2026	10001+	10,184 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 12, 2026 · View company records in RevenueBase
8	ERM	Exact match	London, United KingdomHQ recorded Oct 12, 2026	5,001-10,000	9,532 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	KENTZ	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 12, 2026	10001+	4,217 contacts →
	Exact match “Following the acquisition of SNC-Lavalin's oil and gas division, Kentz has become a part of Kent.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	SLR Consulting	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1,001-5,000	4,083 contacts →
	Exact match “SLR is a committed partner in our clients’ sustainability journeys.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Urbaser	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	10001+	3,564 contacts →
	Exact match “Urbaser es uno de los líderes mundiales en gestión medioambiental, una compañía global orientada a la sostenibilidad, que da servicio a más de 50 millones de personas en 20 países…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Ortec Group	Exact match	Aix-en-provence, FranceHQ recorded Oct 12, 2026	10001+	3,504 contacts →
	Exact match “En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	National Engineering Services Pakistan PVT Limited Nespak	Exact match	Lahore, PakistanHQ recorded Oct 12, 2026	5,001-10,000	3,393 contacts →
	Exact match “NESPAK is Pakistan’s premier consultancy organization (established in 1973).” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Golder	Exact match	Vancouver, BC, CanadaHQ recorded Oct 12, 2026	5,001-10,000	3,241 contacts →
	Exact match “Golder was acquired by WSP.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Ambipar	Exact match	Sao Paulo, BrazilHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
16	NIRAS	Exact match	Allerød, DenmarkHQ recorded Oct 12, 2026	1,001-5,000	2,701 contacts →
	Exact match “At NIRAS, we engineer solutions for a shared future.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	APTIM	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,692 contacts →
	Exact match “APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Geosyntec Consultants	Exact match	Boca Raton, FL, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,521 contacts →
	Exact match “Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Brown And Caldwell	Exact match	Walnut Creek, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,510 contacts →
	Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	SICIM	Exact match	Busseto, ItalyHQ recorded Oct 12, 2026	10001+	2,480 contacts →
	Exact match “SICIM is a leading Worldwide EPC Contractor since 1962, offering all kinds of services related to the production, treatment and transportation of traditional energy sources and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Langan Engineering & Environmental Services	Exact match	Parsippany, NJ, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,402 contacts →
	Exact match “Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	SRK Consulting	Exact match	Vancouver, CanadaHQ recorded Oct 12, 2026	1,001-5,000	2,360 contacts →
	Exact match “SRK Consulting is an independent, international group providing specialised consultancy services.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Mckinstry	Exact match	Seattle, WA, United StatesHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
24	Baringa	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1,001-5,000	2,263 contacts →
	Exact match “Baringa is a global consulting firm that helps leaders drive meaningful change and create value.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Providence	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 12, 2026	n/a	2,256 contacts →
	Exact match “Providence is an employee-owned engineering and environmental consulting firm.” Recorded in the RevenueBase company graph · Oct 12, 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 “environmental consultants energy 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 45,559 environmental consultants energy companies worldwide

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Environmental consultants energy companies worldwide at a glance

As of Oct 12, 2026

31.5%Verified-email coverage

18.0Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Sao Paulo

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

29,210

11-50

12,062

51-200

2,961

201-500

670

501-1,000

204

1,001-5,000

215

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 environmental consultants energy companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “environmental consultants energy 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 257,461 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 12, 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.

Environmental consultants energy companies by location

190 lists · largest first

Every Environmental consultants energy 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 “environmental consultants energy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental consultants energy companies are there worldwide?

RevenueBase identified 45,559 company matches for environmental consultants energy 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?

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

Which country has the most environmental consultants energy companies?

The United States leads with 5,995 companies, followed by Brazil (4,494) and the United Kingdom (2,662). Every environmental consultants energy companies list by country and city is linked on this page.

Which city has the most environmental consultants energy companies?

Sao Paulo leads with 610 company records, followed by London (592) and Paris (381).

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 257,461 professional contacts with verified work emails tracked across these 45,559 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 12, 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.