Company lists · Data refreshed November 2026

Top 25 Environmental engineers worldwide

RevenueBase identified 13,264 company matches for environmental engineers worldwide as of November 2026 and tracks 422,192 professional contacts across them, including 169,864 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for environmental engineers 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 November 6, 2026. Country and city lists for environmental engineers 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 Nov 6, 2026 How this list was built
13,264Companies
422,192Contacts tracked
169,864Verified emails
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The 25 largest environmental engineers worldwide

Ranked by team size
Top 25 of 13,264 company matches for environmental engineers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAubervilliers, FranceHQ recorded Nov 6, 202610001+33,268 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchEdmonton, AB, CanadaHQ recorded Nov 6, 202610001+30,633 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 202610001+14,232 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202610001+10,188 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Nov 6, 20265,001-10,0008,143 contacts →

Exact match

“CDM Smith is shaping what’s next, now, with world class solutions in water, environment, transportation and energy to public and private clients worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOlathe, NE, United StatesHQ recorded Nov 6, 20265,001-10,0006,576 contacts →

Exact match

“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 20265,001-10,0004,504 contacts →

Exact match

“Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNew York, TX, United StatesHQ recorded Nov 6, 20261,001-5,0003,812 contacts →

Exact match

“Follow STV for practical insight into the infrastructure, ideas and people making communities better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLahore, PakistanHQ recorded Nov 6, 20265,001-10,0003,557 contacts →

Exact match

“NESPAK is Pakistan’s premier consultancy organization (established in 1973).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLas Condes, CanadaHQ recorded Nov 6, 20265,001-10,0003,239 contacts →

Exact match

“Golder was acquired by WSP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAllerød, DenmarkHQ recorded Nov 6, 20261,001-5,0002,791 contacts →

Exact match

“At NIRAS, we engineer solutions for a shared future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBaton Rouge, OH, United StatesHQ recorded Nov 6, 20261,001-5,0002,751 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBoca Raton, FL, United StatesHQ recorded Nov 6, 20261,001-5,0002,553 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWalnut Creek, CA, United StatesHQ recorded Nov 6, 20261,001-5,0002,553 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchParsippany, TN, United StatesHQ recorded Nov 6, 20261,001-5,0002,492 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNew York, CO, United StatesHQ recorded Nov 6, 20261,001-5,0002,306 contacts →

Exact match

“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLincoln, AR, United StatesHQ recorded Nov 6, 20261,001-5,0002,289 contacts →

Exact match

“Olsson is an engineering firm made up of people who craft expert solutions and designs that improve communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMoon Township, MO, United StatesHQ recorded Nov 6, 20261,001-5,0002,276 contacts →

Exact match

“Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 2026n/a2,268 contacts →

Exact match

“Providence is an employee-owned engineering and environmental consulting firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGriffin, GA, United StatesHQ recorded Nov 6, 20261,001-5,0002,206 contacts →

Exact match

“Employee-Owned.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRock Island, IL, United StatesHQ recorded Nov 6, 20261,001-5,0002,116 contacts →

Exact match

“Leaders in Engineering and Innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWalnut Creek, NV, United StatesHQ recorded Nov 6, 20261,001-5,0001,837 contacts →

Exact match

“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,827 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 · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAlbany, NH, United StatesHQ recorded Nov 6, 20261,001-5,0001,780 contacts →

Exact match

“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBaltimore, NC, United StatesHQ recorded Nov 6, 20261,001-5,0001,760 contacts →

Exact match

“RK & K is a full-service planning, engineering, environmental, and construction management/inspection firm serving a wide range of clients throughout the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 13,264 environmental engineers worldwide

See the full list, filter by size, metro and specialty, and access 169,864 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental engineers worldwide at a glance

As of Nov 6, 2026
40.2%Verified-email coverage
31.8Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
6,952
11-50
4,236
51-200
1,334
201-500
331
501-1,000
112
1,001-5,000
120
5,001-10,000
22
10001+
28

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 engineers are linked below.
What qualifies
Company records worldwide whose business descriptions match “environmental engineers” 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 169,864 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 November 6, 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 engineers by location

53 lists · largest first

Every Environmental 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 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 engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental engineers are there worldwide?

RevenueBase identified 13,264 company matches for environmental engineers worldwide as of November 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?

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

Which country has the most environmental engineers?

The United States leads with 3,291 companies, followed by Brazil (1,928) and Canada (482). Every environmental engineers list by country and city is linked on this page.

Which city has the most environmental engineers?

Sao Paulo leads with 204 company records, followed by Belo Horizonte (97) and Rio De Janeiro (75).

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 169,864 professional contacts with verified work emails tracked across these 13,264 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 November 6, 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.