Company lists
The Illinois edition · 2026

Environmentcompanies in Illinois

Waste and water, solar, green buildings, wind, air quality and more: the companies building environment in Illinois, with their founders, funding, team size and business models.

260 company profiles9 with recorded fundingNovember 2026 edition
Illinois · Photo: Wikimedia Commons (Public Domain)

Recent environment business events in Illinois

Funding, M&A, contract wins and launches involving 364 environment companies in Illinois, last 24 months: 30 M&A deals · 15 Contracts · 4 funding rounds · 2 launches. Newest first; companies and investors link to their Fliar profiles. Latest event in our news feed: Apr 2026.

M&AAcquisition · Announced

Rensa filtration acquires Air Filters Northwest and AFNW Services

Rensa Filtration, a manufacturer and distributor of air filtration solutions and a portfolio company of Audax Private Equity, announced that it has acquired Air Filters Northwest and…

M&AAcquisition · Announced

Azuria Water Solutions acquires Waterline renewal technologies

Behrman Capital ('Behrman'), a private equity investment firm based in New York, today announced the sale of its portfolio company Waterline Renewal Technologies ('Waterline' or the…

Wastewater Infrastructure
LaunchCarus Engage

Carus

The company celebrated the acquisition of five new global clients and the commercial launch of Carus Engage.

M&AAcquisition · Announced

Saltchuk Resources acquires Great Lakes Dredge & Dock

Great Lakes Dredge & Dock Corporation and Saltchuk Resources, Inc. announced a definitive agreement for Saltchuk to acquire Great Lakes at an aggregate equity value of approximately $1.2…

Dredging services
M&AAcquisition · Announced

Denali acquires Organix recycling

We are excited to announce the acquisition of Organix Recycling to the Denali family.

Food waste management / Recycling
M&AAcquisition · Announced

Parker-Hannifin Corporation (NYSE:PH) acquires Filtration group

Parker-Hannifin Corporation (NYSE:PH) made a splash earlier this week after it announced a $9.25 billion deal to buy filtration system manufacturer Filtration Group.

M&AAcquisition · Announced

Parker-Hannifin acquires Filtration group

Industrials 2025 Madison Industries Agrees to Sell Filtration Group to Parker-Hannifin for $9.25 Billion, Valuing the Innovator at More Than $10 Billion

M&AAcquisition · Announced

Parker hannifin acquires Filtration group

Parker Hannifin Corporation ... announced that it has entered into a definitive agreement to acquire Filtration Group Corporation on a cash‑free, debt‑free basis for a cash purchase…

Filtration Technology
M&AAcquisition · Announced

FalconPoint Capital Partners LLC acquires Scrap metal services

FalconPoint Capital Partners LLC, a New York-based equity investment firm, has acquired the Steel Mill Services and Shipbreaking divisions of Burnham, Illinois-based Scrap Metal Services…

Scrap Metal Services
M&AMerger · Completed

Atlantic city electric acquires Exelon

For Atlantic City Electric's customers, the March merger with Exelon Corp. has some new benefits.

M&AAcquisition · Completed

Exelon acquires Atlantic City Electric's parent company

Exelon Corp., the owner of the Oyster Creek nuclear plant in Lacey, completed its $6.83 billion acquisition of Atlantic City Electric's parent company on Wednesday after Washington D.C.…

Utilities
ContractSupply

Aquion · client: Lansweeper

Aquion has been appointed as a value-added distributor for IT asset management and discovery platform Lansweeper in Australia.

Technology
ContractSupply

Broadwind energy · client: Na

Broadwind Energy recently announced the receipt of a $19.5 million tower order for production in its Manitowoc tower plant beginning later this year.

Wind Energy
ContractTechnology

GE · client: Exelon

GE has landed a large deal with energy giant Exelon to deploy its Predix software suite across its nuclear, wind and gas generation assets.

Energy
M&AMerger · Completed

Egis acquires H.W. Lochner

H.W. Lochner, Inc. (Lochner), a premier professional services firm with over 80 years of experience delivering public infrastructure solutions, has merged with Egis, a global leader in…

Professional Services
LaunchOptoAI™

Exelon

The Deloitte IndustryAdvantage™ approach helped Exelon strategically integrate OptoAI™, an AI-powered drone analytics platform, to enhance efficiency and accuracy of field operations.

AI-powered drone analytics platform
FundingEquity financing

Gti energy

Snow Lake will invest AUD$1.4million in GTi Energy's AUD$4.5 million equity financing

Investors Snow Lake
Uranium exploration
ContractSupply

Invenergy · client: Meta Platforms

Meta Platforms has struck four new agreements with renewable energy developer Invenergy to secure an additional 791 megawatts (MW) of solar and wind power, the companies announced on…

Renewable Energy
Funding

Beneficial Reuse Management

Clairvest Group Inc., a Toronto-based private equity management firm, together with Clairvest Equity Partners VII, has recapitalized and invested in Beneficial Reuse Management, a…

Investors Clairvest group, Clairvest Equity Partners VII, Skyline Global Partners, Other shareholders
Environmental Services
M&AMerger · Announced

Label acquires Impact

Following the acquisition, Label will be merged with Impact, another prominent company within the NSI portfolio.

IT engineering and consulting
M&AMerger · Announced

Impact acquires Fort Products

Jeffs’ Brands Ltd (“Jeffs’ Brands” or the “Company”) (Nasdaq: JFBR, JFBRW), a data-driven e-commerce company operating on the Amazon Marketplace, today announced that further to its…

Pest Control / Manufacturing
M&AMerger · Announced

Jeffs' brands acquires Impact

On March 13, 2025, Jeffs' Brands Ltd announced a significant milestone in the proposed merger of its subsidiary, Fort Products Limited, with Impact Acquisitions Corp.

M&AMerger · Announced

Ecolab acquires Nalco holding company

ST. PAUL, Minn. – The board of directors of Ecolab Inc. and Nalco Holding Company have unanimously approved a definitive agreement under which Nalco will merge with a subsidiary of…

M&AAcquisition · Pending

Illinois tool works acquires Meurer Group

Illinois Tool Works Inc. (ITW, www.itw.com) announces that it has signed a Definitive Purchase Agreement to acquire 100% of the Meurer Group located in Furstenau, Germany.

Secondary packaging equipment supplier

Environment companies in Illinois, by funding and team

Few environment companies in Illinois publish revenue, so this list compares what is on record instead: recorded equity funding, team size, revenue model, age and stage. The 50 companies below lead on recorded funding and team size among 260 active companies.

Showing 25 of 50

Developer of nuclear energy projects

Nuclear energy
US$18.05mSeed · Feb 2025
—Not available
Fee-for-service
9 yr2017
0none in 3 months

Provider of wastewater treatment technology services

Waste & water management
US$11.26mSeries B · Mar 2012
30-89% 12 mo to Sep 2014LinkedIn · Jul 2026
Physical commerce
27 yr1999
0none in 3 months

It is a distributed solar and storage project developer focused on strengthening communities, the grid, and climate stability

Utilities
US$10.00mSeries A · Oct 2023
36LinkedIn · Jul 2026
E-commerce - product / Physical commerce
18 yr2008
0none in 3 months · last posted May 2026

Provider of drink water services

Waste & water management
US$9.30mSeries A · Apr 2026
16-18% vs previous recordLinkedIn · Jul 2026
Commission on transaction / E-commerce - product
6 yr2020
0none in 3 months

Provider of solid waste recycling services

Waste & water management
US$8.30mSeed · Aug 2025
18LinkedIn · Jul 2026
Fee-for-service
8 yr2018
0none in 3 months

Provider of affordable water data management software

Waste & water management
US$4.00mSeries A · Aug 2025
31LinkedIn · Jul 2026
Subscription
9 yr2017
0none in 3 months

Developer of green living wall systems

Green buildings
US$3.40mSeries A · Feb 2015
3LinkedIn · Jul 2026
E-commerce - product / Physical commerce
17 yr2009
0none in 3 months

Provider of environmental services for carbon credit generating projects

Air management services
US$1.18mSeries A · Mar 2026
7LinkedIn · Jul 2026
Commission on transaction / E-commerce - service
3 yr2023
—No postings tracked

It aims to make composting mainstream by partnering with building managers to offer residents a convenient composting solution

Waste & water management
US$100kSeed · Jan 2023
20LinkedIn · Jul 2026
Commission on transaction / E-commerce - service
4 yr2022
0none in 3 months

Manufacturer and supplier of major auto components to OEMs and tier 1 companies

Wind energy
—None recorded
18,918-22% 12 mo to Dec 2022LinkedIn · Oct 2026
E-commerce - product / Physical commerce
114 yr1912
0none in 3 months · last posted Jun 2026

Developer of solar and wind energy projects

Wind energy
—None recorded
3,754+19% vs previous recordrecorded
Fee-for-service
135 yr1891
0none in 3 months · last posted Jun 2026

Great Lakes Dredge & Dock is the largest provider of dredging services in the United States.

Waste & water management
—None recorded
1,176recorded
Fee-for-service
136 yr1890
—No postings tracked

Filtration Group is a manufacturer and supplier of filtration products for the HVAC, industrial and process, liquid and safety markets.

Waste & water management
—None recorded
820-3% vs previous recordrecorded
E-commerce - product / Physical commerce
17 yr2009
—No postings tracked

Provider of truck hauling service

Waste & water management
—None recorded
132LinkedIn · Oct 2026
Fee-for-service
40 yr1986
0none in 3 months

Heavy fabrications, gearing, and industrial solutions provider for diverse industries

Wind energy
—None recorded
114-2% 12 mo to Dec 2022LinkedIn · Oct 2026
Physical commerce
19 yr2007
0none in 3 months

Provider of energy services with an electric and natural gas distribution

Nuclear energy
—None recorded
18,761-4% 12 mo to Dec 2022LinkedIn · Oct 2026
Commission on transaction / E-commerce - product
26 yr2000
0none in 3 months

Weaver Consultants Group offers civil engineering, waste management, oil & gas, geospatial, environment consultancy & architecture services.

Waste & water management
—None recorded
389+1% 12 mo to Dec 2022LinkedIn · Oct 2026
Fee-for-service
35 yr1991
0none in 3 months

Provider of product management and integration services

Waste & water management
—None recorded
442-10% vs previous recordLinkedIn · Oct 2026
Not available
106 yr1920
0none in 3 months · last posted Jul 2026

Provides environmental management services to a nationwide client base.

Waste & water management
—None recorded
322-12% vs previous recordrecorded
Fee-for-service
47 yr1979
0none in 3 months · last posted Mar 2026

Provider of water and wastewater treatment services

Waste & water management
—None recorded
274+13% vs previous recordLinkedIn · Oct 2026
Physical commerce
35 yr1991
0none in 3 months

Provider of medical waste management services

Waste & water management
—None recorded
1,119-2% 12 mo to Dec 2022LinkedIn · Oct 2026
Physical commerce
40 yr1986
0none in 3 months · last posted Jun 2026

Power Plant Services is a mechanical engineering company located in Melrose Park.

Wind energy
—None recorded
200-86% vs previous recordrecorded
Fee-for-service
28 yr1998
—No postings tracked

RJN Group is a civil engineering corporation based in Illinois.

Waste & water management
—None recorded
218LinkedIn · Jul 2026
Fee-for-service
51 yr1975
0none in 3 months · last posted Jun 2026

Provider of waste water treatment services

Waste & water management
—None recorded
185-11% 12 mo to Dec 2022LinkedIn · Jul 2026
Physical commerce
111 yr1915
0none in 3 months

Provider of waste transportation services

Waste & water management
—None recorded
251-22% vs previous recordLinkedIn · Jul 2026
Fee-for-service
46 yr1980
0none in 3 months
50 of 260 companies shown here · the full list is on Radar
Fliar Radar

Explore all 260 environment companies in Illinois on Radar

This page shows the top 50. Radar has the complete, filterable list with contacts and live company signals.

Open environment in Illinois on Radar
  • Every company, not just 50All 260 environment companies in Illinois, filterable by stage, funding, team size, revenue model and age.
  • Founders and decision-makersLeadership teams with roles and verified LinkedIn profiles, ready for outreach.
  • Live signalsFunding rounds, hiring, launches and M&A as they happen, with alerts on the companies you follow.
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Explore environment companies in Illinois by what you are looking for

Browse environment companies in Illinois for environmental services, waste management and renewable energy. Find environmental engineering, water and sustainability businesses.

9 ways to explore environment in Illinois

Waste and water management companiesSolar energy companiesGreen building companiesWind energy companiesAir quality and pollution control companiesEnvironmental consulting companies

Waste and water management companies

Environmental services companies managing waste, recycling and water systems.

  1. In-Pipe Technology

    Provider of wastewater treatment technology services

    Waste & water management
    See in list
  2. Kadeya

    Provider of drink water services

    Waste & water management
    See in list
  3. Mycocycle

    Provider of solid waste recycling services

    Waste & water management
    See in list
  4. Waterly

    Provider of affordable water data management software

    Waste & water management
    See in list
  5. Demi

    It aims to make composting mainstream by partnering with building managers to offer residents a convenient composting solution

    Waste & water management
    See in list
103 companies in Illinois

Solar energy companies

Companies developing solar energy projects and related services.

  1. Cultivate Power

    It is a distributed solar and storage project developer focused on strengthening communities, the grid, and climate stability

    Utilities
    See in list
  2. Sargent & Lundy

    Developer of solar and wind energy projects

    Wind energy
    See in list
  3. Exelon

    Provider of energy services with an electric and natural gas distribution

    Nuclear energy
    See in list
  4. New Generation Power International

    Developer of utility-scale renewable energy projects

    Hydro power
    Website
  5. Verde Solutions

    National leader providing turnkey sustainable energy solutions and commercial energy consulting

    Solar energy
    Website

Green building companies

Companies providing green building products and sustainability services.

  1. Sagegreenlife

    Developer of green living wall systems

    Green buildings
    See in list
  2. Legat Architects

    Designs and develops energy efficient green buildings

    Green buildings
    See in list
  3. craig industries

    Craig Industries specialize in manufacturing high-quality insulated building panels for use in a wide variety of industries.

    Green buildings
    See in list
  4. Zauben

    Provider of shopping platform for green buildings

    Green buildings
    Website
  5. Eureka

    Provider of eco-friendly products and solutions from industrial and commercial waste

    Green buildings
    Website

Wind energy companies

Businesses developing wind energy projects and equipment.

  1. Sargent & Lundy

    Developer of solar and wind energy projects

    Wind energy
    See in list
  2. Goldwind Americas

    Manufacturer & developer of wind turbines

    Wind energy
    See in list
  3. New Generation Power International

    Developer of utility-scale renewable energy projects

    Hydro power
    Website
  4. Nextwind

    Wind turbine design and licensing for next-generation offshore innovations

    Wind energy
    Website
  5. PNE Wind USA

    Medium scale wind power project developer

    Wind energy
    Website

Air quality and pollution control companies

Environmental companies providing air management and pollution control services.

  1. Renu Environmental

    Provider of environmental services for carbon credit generating projects

    Air management services
    See in list
  2. STAT Analysis

    Provider of environmental laboratory testing services for various sample matrices

    Air management services
    See in list
  3. Fuel Tech

    Developer of air pollution control technologies

    Air management services
    See in list
  4. arrow pneumatics

    Arrow Pneumatics manufactures a complete line of air preparation products such as filters, regulators, lubricators, and desiccant products.

    Air management services
    See in list
  5. Cpilink

    Manufacturer of industrial air pollution control systems. They design and produce thermal oxidizers, regenerative thermal oxidizers (RTOs), catalytic oxidizers, and related equipment. These systems are used to control volatile organic compounds (VOCs), hazardous air pollutants (HAPs), and odorous emissions across various industries. Services include installation, aftermarket support, and catalyst services. The company offers solutions for diverse sectors, including automotive, chemical processing, and food processing.

    Manufacturing services
    Website

Environmental consulting companies

Consultants helping organizations assess and manage environmental needs.

  1. environmental monitoring & technologies

    Environmental Monitoring & Technologies provide analytical support for wastewater compliance for manufacturers, groundwater monitoring.

    Environment consultancy services
    See in list
  2. Carlsonenv

    Provider of environmental due diligence and remediation services

    Environment consultancy services
    Website
  3. Power Engineers Collaborative

    Provider of engineering and technical services for power and utility projects

    Environment consultancy services
    Website
  4. Agriwater

    Provider of environmental climate crisis and wastewater services

    Waste & water management
    Website
  5. Freshwater Advisors

    Provider of venture catalyst and innovation consultancy

    Environment consultancy services
    Website

Environment startups in Illinois

Recently founded environment businesses in Illinois.

  1. Renu Environmental

    Provider of environmental services for carbon credit generating projects

    Air management services
    See in list
  2. Demi

    It aims to make composting mainstream by partnering with building managers to offer residents a convenient composting solution

    Waste & water management
    See in list
  3. Nova Clean Energy

    Developer of solar and wind energy power projects

    Solar energy
    Website
  4. Agriwater

    Provider of environmental climate crisis and wastewater services

    Waste & water management
    Website
  5. WaterClick

    Provider of wastewater utilities services

    Waste & water management
    Website
20 companies in Illinois

Environment companies hiring in Illinois

Environment businesses in Illinois with hiring activity.

  1. Cultivate Power

    It is a distributed solar and storage project developer focused on strengthening communities, the grid, and climate stability

    Utilities
    See in list
  2. Illinois Tool Works

    Manufacturer and supplier of major auto components to OEMs and tier 1 companies

    Wind energy
    See in list
  3. Sargent & Lundy

    Developer of solar and wind energy projects

    Wind energy
    See in list
  4. UCC Environmental

    Provider of product management and integration services

    Waste & water management
    See in list
  5. set environmental

    Provides environmental management services to a nationwide client base.

    Waste & water management
    See in list
14 companies in Illinois

Public environment companies in Illinois

Publicly listed environment businesses in Illinois.

  1. Illinois Tool Works

    Manufacturer and supplier of major auto components to OEMs and tier 1 companies

    Wind energy
    See in list
  2. great lakes dredge & dock corporation

    Great Lakes Dredge & Dock is the largest provider of dredging services in the United States.

    Waste & water management
    See in list
  3. KRD Trucking

    Provider of truck hauling service

    Waste & water management
    See in list
  4. Broadwind Energy

    Heavy fabrications, gearing, and industrial solutions provider for diverse industries

    Wind energy
    See in list
  5. Exelon

    Provider of energy services with an electric and natural gas distribution

    Nuclear energy
    See in list
9 companies in Illinois
For investors and data teams

Put this intelligence into your own tools

The figures on this page come from Fliar’s company, funding, hiring and news data. Use it through the Investor Intelligence API and company data exports, or explore every company, founder and investor in Radar.

Capital & corporate activity

Environment funding and M&A across the United States

2,477 recorded equity rounds have gone to 14,676 environment companies in the United States — how much, at which stage, into which sub-sectors, from whom, and how Illinois compares. Debt, IPO and grant rounds are excluded.

equity rounds, last 12 months42

US$13.16bn

equity rounds, last 24 months164

US$20.04bn

raised over five yearsUS$37.75bn

709 rounds in the United States

M&A deals, Illinois30

last 24 months

Capital by year

Equity funding into environment in the United States

amount rounds
$1.7bn2018110
$1.2bn201991
$1.1bn202096
$4.5bn2021115
$6.1bn2022168
$3.0bn2023153
$4.5bn2024127
$7.0bn2025112
$13bn202634

Bars show US$ raised; the number under each year is equity rounds. 2026 is year to date. The peak year was 2025, with US$7.00bn across 112 rounds.

The funding ladder · five years

Rounds and typical cheque by stage

AngelUS$91.50m3 rounds · median US$45.75m
SeedUS$609.96m360 rounds · median US$1.00m
Series AUS$2.47bn153 rounds · median US$7.00m
Series BUS$5.32bn69 rounds · median US$21.56m
Series CUS$3.76bn38 rounds · median US$57.82m
Series D+US$23.02bn55 rounds · median US$200.00m
Private equityUS$2.48bn31 rounds · median US$150.00m
Where the money went · five years

Most-funded sub-sectors

Solar energyUS$11.40bn202 rounds · 150 companies
Air management servicesUS$11.27bn37 rounds · 23 companies
Nuclear energyUS$10.20bn101 rounds · 38 companies
Waste & water managementUS$1.45bn204 rounds · 140 companies
Wind energyUS$1.40bn40 rounds · 28 companies
Energy efficiency techUS$516.76m5 rounds · 1 companies
Air pollution management techUS$397.37m14 rounds · 8 companies
Corporate activity · last 24 months

M&A in Illinois

23Acquisition
7Merger

Most active acquirers

  1. Illinois tool works4
  2. Impact3
  3. Jeffs’ brands3
  4. Parker-Hannifin Corporation (NYSE:PH)2
  5. Adco global2

Most acquired or merged

  1. Impact4
  2. Filtration group3
  3. Fort Products3
  4. Waterline renewal technologies2
  5. Stericycle2

Each deal appears in the events strip at the top of the page.

Go deeper in the environment landscape reports:

Environment Industry Landscape of the United States
Industry landscape report

Environment Industry Landscape of the United States

The financials above are one chapter. The full environment landscape of Illinois maps the whole industry — every segment, the capital behind it, the talent market and where the next opportunities are.

  • Market map of every sub-sector
  • Funding & company formation by year
  • Revenue, profit & financial strength
  • Digital footprint: traffic, apps, releases
  • Hiring, skills & pay
  • Founders & leaders
  • News & sentiment
  • Where demand runs ahead of supply
Read the environment landscape of Illinois

Environment funding in Illinois

9 environment companies in Illinois have recorded equity funding, US$65.59m in total. Totals and round dates describe the historical record; they are not current valuations.

Founders and momentum in Illinois

Meet the people behind environment companies in Illinois. 55 of 260 companies list founders or leaders; where a public LinkedIn profile matches exactly, the expanded profile shows the photo, headline, location and education.

Explore Illinois environment companies by sub-sector

The most common specialisations among environment companies in Illinois. Open a company to see what it sells, who runs it and how far it has come.

Keep exploring environment in the United States and nearby markets.

Explore more lists: nearby cities and other sectors in Illinois

206 more company lists you can search, plus the Radar directory pages for each place.

Environment in nearby cities

Environment in other US cities

Other sectors in Illinois

Browse the Radar directory

Coming soon