Company lists · Data refreshed September 2026

Top 23 Environmental organizations based in Chicago, United States

Name: Environmental organizations based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 62 companies tracked

RevenueBase identified 62 company matches for environmental organizations associated with Chicago, United States as of September 2026 and tracks 549 professional contacts across them, including 213 with verified work emails. Across the United States, Washington is the largest hub for this category (209 companies); Chicago has 62.

This list covers company matches for environmental organizations associated with Chicago, United States, 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 September 19, 2026.

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 Sep 19, 2026 How this list was built

62Companies

549Contacts tracked

213Verified emails

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The 23 largest environmental organizations based in Chicago, United States

Ranked by team size

Top 23 of 62 company matches for environmental organizations based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	BBJ Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	51-200	97 contacts →
	Exact match “BBJ provides clients with solutions to environmental, health and safety problems.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Environmental LAW & Policy Center	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	83 contacts →
	Exact match “The Environmental Law & Policy Center is the Midwest’s leading environmental advocacy organization.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	WRD Environmental	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	64 contacts →
	Exact match “WRD Environmental helps organizations committed to sustainability realize their vision.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Openlands	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	60 contacts →
	Exact match “As innovative protectors and stewards of the land since 1963, Openlands exists to create access to nature for all.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Earthacre	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	15 contacts →
	Exact match “EarthAcre’s mission is to mitigate climate change and biodiversity collapse with community knowledge and technology.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Sierra Club Illinois Chapter	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match “Sierra Club Illinois Chapter is a Non-profit Organization Management company located in 200 N Michigan Ave # 505, Chicago, Illinois, United States.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Urban Rivers	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	12 contacts →
	Exact match “Our Mission: To transform urban waterways into wildlife sanctuaries, and to provide an opportunity for all city residents to reconnect with nature in new and meaningful ways.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Environment Illinois	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	10 contacts →
	Exact match “Homepage 050319 - No Bees, No Food” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Southeast Environmental Task Force	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	9 contacts →
	Exact match “SETF is an environmental nonprofit organization dedicated to serving the southeast side and south suburbs of Chicago by promoting environmental education, pollution prevention…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	People For Community Recovery	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	8 contacts →
	Exact match “People for Community Recovery (PCR) was founded in June 1979 by its founder and executive director, Hazel Johnson.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	The Astor Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	7 contacts →
	Exact match “The Astor Company opened its doors almost 20 years ago as a cardboard recycling company, beginning a journey of continuous adaptation and evolution which today finds a world-class…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Green Wings	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “Green Wings is a non-profit flight crew organization aimed at increasing efforts towards environmental sustainability in aviation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Lookfar Conservation	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “Lookfar Conservation is a 501(c)(3) nonprofit organization dedicated to defending wild and wondrous places and working with the people living in and among them.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Greenleaf Communities NFP	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “Greenleaf Communities was established as a nonprofit 501(c)(3) organization to advance a healthy and sustainable world by recruiting and organizing multi-disciplinary teams of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Neighbors For Environmental Justice	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	4 contacts →
	Exact match “The purpose of Neighbors for Environmental Justice is to educate, advocate and organize with our community to accomplish environmental justice on the southwest side of Chicago.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Environmental Group Services Limited Egsl	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	4 contacts →
	Exact match “Environmental Group Services, Ltd.(EGSL) is a full service environmental engineering, training and consulting company located in Chicago, Illinois.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Chicago Environmental Justice Network	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “The Chicago Environmental Justice Network (CEJN) is a coalition bringing together BIPOC-led, neighborhood-based, grassroots environmental justice organizations working throughout…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Chicago Muslims Green Team	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	3 contacts →
	Exact match “Chicago Muslims Green Team connects Chicago Muslims and the greater community to issues of environmental justice and spreads awareness about an eco-friendly lifestyle based on…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	The Ecovoice Project	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “The EcoVP is an arts organization designed to bring awareness to climate change and environmental issues through musical performance.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Fresh Supply INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	2 contacts →
	Exact match “Fresh Supply's journey began in science classrooms on the West Side of Chicago, where we partnered with community youth to tackle environmental injustices, such as air pollution…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Good Stuff Marketing CO	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Believe Green LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “We apply a Business mindset to solve Environmental problems.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Constructive Approaches, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “Constructive Approaches is a consulting firm focused on helping clients make informed choices that minimize environmental impact in construction projects and business operations.” Recorded in the RevenueBase company graph · Sep 19, 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 organizations”. 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 23 of 62 environmental organizations based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 213 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental organizations based in Chicago, United States at a glance

As of Sep 19, 2026

38.8%Verified-email coverage

8.9Average contacts per company

1-10Median size (employees)

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

10001+

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 62 companies.

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.
What qualifies: Company records associated with Chicago, United States whose business descriptions match “environmental organizations” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 213 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 September 19, 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 organizations by metro in the United States

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

How many environmental organizations are there based in Chicago, United States?

RevenueBase identified 62 company matches for environmental organizations associated with Chicago, United States as of September 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?

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

Which city in the United States has the most environmental organizations?

Washington leads the United States with 209 company records, followed by New York (204) and Los Angeles (133). Chicago has 62.

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 213 professional contacts with verified work emails tracked across these 62 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 September 19, 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.