Company lists · Data refreshed September 2026

Top 25 Solid waste consulting firms worldwide

RevenueBase identified 10,801 solid waste consulting firms worldwide as of September 2026 and tracks 211,518 professional contacts across them, including 61,708 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers solid waste consulting firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for solid waste consulting firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
10,801Companies
211,518Contacts tracked
61,708Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest solid waste consulting firms worldwide

Ranked by team size
Top 25 of 10,801 solid waste consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to solid waste consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202610001+24,303 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidencePhoenix, AZ, United StatesHQ checked Sep 29, 202610001+17,016 contacts →

Partial evidence

“Republic Services provides the most complete set of recycling, waste and environmental solutions from a single provider.”

Source: RevenueBase Database · checked Sep 29, 2026
3Strong evidenceVaughan, ON, CanadaHQ checked Sep 29, 202610001+6,179 contacts →

Strong evidence

“GFL Environmental is the only major diversified environmental services company in North America offering services in solid waste management, liquid waste management and soil…”

Source: RevenueBase Database · checked Sep 29, 2026
4Strong evidenceMumbai, IndiaHQ checked Sep 29, 20261,001-5,0003,810 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceMelbourne, AustraliaHQ checked Sep 29, 20265,001-10,0003,005 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceHyderabad, IndiaHQ checked Sep 29, 202610001+2,607 contacts →

Indirect evidence

“Re Sustainability Limited (RE), a KKR-backed company, is one of Asia’s leading providers of comprehensive environment management services.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial evidenceMoon Township, PA, United StatesHQ checked Sep 29, 20261,001-5,0002,145 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceDubai, United Arab EmiratesHQ checked Sep 29, 202610001+1,417 contacts →

Partial evidence

“For over 35 years, we have delivered integrated waste management services across multiple regions.”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceCincinnati, OH, United StatesHQ checked Sep 29, 20261,001-5,0001,360 contacts →

Partial evidence

“Rumpke Waste and Recycling has been committed to keeping neighborhoods and businesses clean and green since 1932 by providing environmentally friendly waste disposal and recycling…”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceBoise, ID, United StatesHQ checked Sep 29, 20261,001-5,0001,360 contacts →

Indirect evidence

“US Ecology is a Republic Services company.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceKing Of Prussia, PA, United StatesHQ checked Sep 29, 20261,001-5,0001,275 contacts →

Indirect evidence

“Veolia has completed the acquisition of Clean Earth, bringing together two organizations with a shared commitment to environmental stewardship, safety and operational excellence.”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceRutland, VT, United StatesHQ checked Sep 29, 20261,001-5,0001,231 contacts →

Indirect evidence

“Casella, headquartered in Rutland, Vermont, is one of the largest recyclers and most experienced fully integrated resource management companies in the Eastern United States.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceParis, FranceHQ checked Sep 29, 20265,001-10,0001,085 contacts →

Indirect evidence

“DERICHEBOURG Environnement propose au monde de l’industrie, aux collectivités et aux particuliers une offre complète et intégrée de services couvrant la collecte, la gestion, le…”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceUnited StatesHQ checked Sep 29, 20261,001-5,0001,084 contacts →

Partial evidence

“Reworld™ is a leader in sustainable waste solutions, providing innovative and environmentally responsible services to a global community.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceSomerville, MA, United StatesHQ checked Sep 29, 20261,001-5,0001,068 contacts →

Indirect evidence

“Triumvirate Environmental provides sustainable environmental solutions to leading companies in the Life Sciences, Healthcare, Education, and Advanced Manufacturing markets.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceVitacura, ChileHQ checked Sep 29, 202610001+988 contacts →

Indirect evidence

“WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidencePonte Vedra, FL, United StatesHQ checked Sep 29, 20265,001-10,000968 contacts →

Partial evidence

“Advanced Disposal, now part of Waste Management Waste Management, based in Houston, Texas, is the leading provider of comprehensive waste management environmental services in…”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 29, 20261,001-5,000957 contacts →

Indirect evidence

“At Recology, you’ll join a team of passionate, creative, and dedicated individuals who are leaders in sustainability.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceSao Paulo, BrazilHQ checked Sep 29, 20265,001-10,000944 contacts →

Indirect evidence

“Estre is one of the largest environmental services companies in Brazil and Latin America.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidenceEkurhuleni, South AfricaHQ checked Sep 29, 20261,001-5,000839 contacts →

Partial evidence

“EnviroServ offers cost-effective solutions to the complex hazardous and non-hazardous waste and chemical pollution problems, providing peace of mind with regard to the legal…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261,001-5,000828 contacts →

Indirect evidence

“A Leader in Environmental Services FCC Environmental Services is proud to serve over 14 million Americans across 7 states, supported by a dedicated team of Our 1200+ vehicle fleet…”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceDoncaster, United KingdomHQ checked Sep 29, 20261,001-5,000817 contacts →

Partial evidence

“FCC Environment is one of the UK’s leading recycling and waste management companies.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceIndaiatuba, BrazilHQ checked Sep 29, 20265,001-10,000765 contacts →

Indirect evidence

“Founded in 1987, Corpus Saneamento e Obras was created by Engineer Cineas Feijó Valente.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceEast Tamaki, New ZealandHQ checked Sep 29, 20261,001-5,000716 contacts →

Partial evidence

“WM New Zealand is New Zealand's leading resource recovery, recycling and waste, and environmental services provider, driven by our focus on safety, sustainability, and service and…”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceCleveland, United StatesHQ checked Sep 29, 20261,001-5,000680 contacts →

Indirect evidence

“Everybody knows a JJ’s Truck when they see one.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 10,801 solid waste consulting firms worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 61,708 reachable decision-makers.

Free signup · no credit card

View the full list →

Solid waste consulting firms worldwide at a glance

As of Sep 29, 2026
29.2%Verified-email coverage
19.6Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Sao Paulo
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
5,113
11-50
3,535
51-200
1,352
201-500
406
501-1,000
129
1,001-5,000
123
5,001-10,000
20
10001+
25

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among solid waste consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for solid waste consulting firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “solid waste consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names solid waste consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among solid waste consulting firms, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 61,708 across the full list. 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 September 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Solid waste consulting firms by location

44 lists · largest first

Every Solid waste consulting 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names solid waste consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many solid waste consulting firms are there worldwide?

RevenueBase identified 10,801 solid waste consulting firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

WM, headquartered in Houston, tops this list with the largest team on record.

Which country has the most solid waste consulting firms?

The United States leads with 2,295 companies, followed by Brazil (1,050) and the United Kingdom (611). Every solid waste consulting firms list by country and city is linked on this page.

Which city has the most solid waste consulting firms?

Sao Paulo leads with 123 headquartered companies, followed by Houston (59) and London (51).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 61,708 verified decision-maker contacts tracked across these 10,801 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 10,801 solid waste consulting firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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 Smart Search, 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.