Company lists · Data refreshed November 2026

Top 25 Waste management engineering firms worldwide

RevenueBase identified 23,778 company matches for waste management engineering firms worldwide as of November 2026 and tracks 653,298 professional contacts across them, including 190,858 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for waste management engineering 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 November 6, 2026. Country and city lists for waste management engineering 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 Nov 6, 2026 How this list was built
23,778Companies
653,298Contacts tracked
190,858Verified emails
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The 25 largest waste management engineering firms worldwide

Ranked by team size
Top 25 of 23,778 company matches for waste management engineering firms 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 matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+24,199 contacts →

Exact match

“WM is North America's leading provider of integrated environmental solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchParis, FranceHQ recorded Nov 6, 202610001+23,115 contacts →

Exact match

“We provide essential services in the water and waste sectors to preserve resources and improve quality of life wherever we operate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchNorwell, MA, United StatesHQ recorded Nov 6, 202610001+9,552 contacts →

Exact match

“Clean Harbors is North America’s leading provider of environmental and industrial services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact 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
8Exact matchVaughan, ON, CanadaHQ recorded Nov 6, 202610001+6,452 contacts →

Exact match

“GFL Environmental is the fourth largest diversified environmental services company in North America, providing comprehensive solid waste management services through a strategic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCapellen, LuxembourgHQ recorded Nov 6, 20265,001-10,0005,715 contacts →

Exact match

“We are World Builders shaping water, land and energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0004,010 contacts →

Exact match

“At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202610001+3,778 contacts →

Exact match

“Somos a Aegea Saneamento, empresa líder no setor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchHigh Wycombe, United KingdomHQ recorded Nov 6, 20265,001-10,0003,509 contacts →

Exact match

“Founded in London in 1912, Biffa is a leading UK nationwide integrated waste management business providing collection, treatment, recycling and technologically-driven energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchMelbourne, AustraliaHQ recorded Nov 6, 20265,001-10,0003,209 contacts →

Exact match

“Cleanaway Waste Management Limited is Australia’s largest, publicly listed waste management company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHyderabad, IndiaHQ recorded Nov 6, 202610001+2,692 contacts →

Exact match

“Re is one of Asia’s leading integrated resource management and sustainability solutions companies, turning environmental challenges into sustainable value.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact 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
20Exact 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
21Exact 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
22Exact 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
23Exact 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
24Exact matchVikhroli West, IndiaHQ recorded Nov 6, 20261,001-5,0001,874 contacts →

Exact match

“At Burns & McDonnell India, we are a diverse team of talented engineers with multidiscipline design and consultancy working across sectors in critical infrastructure: oil and gas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 23,778 waste management engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 190,858 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Waste management engineering firms worldwide at a glance

As of Nov 6, 2026
29.2%Verified-email coverage
27.5Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
9,339
11-50
8,316
51-200
3,642
201-500
1,142
501-1,000
422
1,001-5,000
357
5,001-10,000
65
10001+
73

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 waste management engineering firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “waste management engineering 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 190,858 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.

Waste management engineering firms by location

99 lists · largest first

Every Waste management engineering 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 “waste management engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many waste management engineering firms are there worldwide?

RevenueBase identified 23,778 company matches for waste management engineering firms 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 waste management engineering firms?

The United States leads with 3,770 companies, followed by Brazil (2,072) and Italy (1,390). Every waste management engineering firms list by country and city is linked on this page.

Which city has the most waste management engineering firms?

Sao Paulo leads with 266 company records, followed by Houston (107) and Pune (95).

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 190,858 professional contacts with verified work emails tracked across these 23,778 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.