Top 30 Water Treatment Companies in Illinois

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Explore Illinois' top 30 water treatment companies, offering cutting-edge solutions in both municipal and industrial sectors. From Flow-Technics' innovative technology for water distribution to Veolia's resource optimization services, these firms stand out for their expertise in renewable energy and environmental services. Discover companies like Lakeside Equipment with its 95-year legacy, and Gasvoda Group's efficient technologies. These industry pioneers are key investments for forward-thinking bankers seeking growth in Illinois' water treatment landscape for 2025.

Gasvoda Group logo

Gasvoda Group

🇺🇸 1530 Huntington Dr Calumet City, Illinois 60409, US

Gasvoda Group specializes in providing advanced equipment and services for the water and wastewater treatment industries, emphasizing efficient water usage and tailored technological solutions for both municipal and industrial applications. Their commitment to trusted service distinguishes them in the environmental services sector.

water treatment
wastewater treatment
environmental services
efficient water usage
municipal applications
industrial applications
technological solutions
trusted service
Company size: 51-200
Founded: 1983
IWM Corporation logo

IWM Corporation

🇺🇸 399 Hammond Avenue Elgin, Illinois 60120, US

IWM Corporation specializes in chemical manufacturing with a focus on innovative water treatment solutions for cooling and heating systems. Their expertise includes a comprehensive range of water treatment chemicals, testing, and control equipment tailored to the specific needs of various sectors, including industrial, medical, educational, and municipal facilities.

chemical manufacturing
water treatment
cooling systems
heating systems
consulting engineering
water treatment chemicals
testing equipment
control equipment
industrial applications
municipal facilities
Company size: 11-50
Founded: 1969
Lakeside Equipment Corporation logo

Lakeside Equipment Corporation

🇺🇸 1022 E Devon Ave Bartlett, Illinois 60103, US

Lakeside Equipment Corporation specializes in providing innovative and reliable equipment for municipal and industrial water and wastewater treatment, offering a comprehensive range of solutions from clarifiers to biological treatment systems. With a strong commitment to quality and performance, their all-stainless-steel products have been trusted for over 95 years, making them a leader in the facilities services industry.

water treatment
wastewater treatment
equipment
process solutions
clarifiers
rotary strainer
screw pumps
grit collection
biological treatment
screening products
municipal facilities
industrial facilities
Company size: 11-50
Founded: 1928
Drydon Equipment Inc. logo

Drydon Equipment Inc.

🇺🇸 2445 Westfield Drive Suite 100

Drydon Equipment Inc. specializes in manufacturing representation for high-quality water and wastewater treatment systems, offering innovative solutions such as advanced process treatment systems and chemical feed systems tailored for municipal and industrial markets. Their expertise includes technologies for combined sewer overflows and excess flow facilities, positioning them as a leader in the environmental services industry.

water treatment
wastewater treatment
environmental services
chemical feed
pumping systems
biosolids treatment
process treatment
municipal systems
industrial systems
CSO technology
SSO technology
excess flow facilities
Company size: 11-50
HOH Water Technology, Inc. logo

HOH Water Technology, Inc.

🇺🇸 500 South Vermont Street Palatine, IL 60067, US

HOH Water Technology, Inc. specializes in innovative water treatment solutions and services, catering to commercial, institutional, and light industrial sectors. With a strong focus on water safety and efficiency, the organization offers comprehensive programs including chemical services, equipment installation, and advanced filtration systems, positioning itself as a leader in establishing new water technology standards.

water treatment
water technology
water safety
filtration
chemicals
HVAC
reverse osmosis
electrolysis
softeners
industrial water
risk management
Company size: 51-200
Founded: 1968
Flow-Technics, Inc logo

Flow-Technics, Inc

🇺🇸 181 Ontario St Frankfort, IL 60423, US

Flow-Technics, Inc. specializes in providing equipment and technology for municipal water and wastewater treatment and transfer, focusing on innovative solutions for efficient water distribution and emergency repair services. Their expertise in both municipal and privately-owned utilities sets them apart in the renewable energy semiconductor manufacturing industry.

water treatment
wastewater treatment
potable water
distribution systems
municipal services
equipment sales
emergency repair
technology transfer
Company size: 11-50
Founded: 1988
AWS Distributing logo

AWS Distributing

🇺🇸 30W270 Butterfield Rd Suite 110

AWS Distributing specializes in providing quality water filtration products and services, focusing on affordable water treatment solutions for the consumer services industry. Their innovative approach emphasizes the importance of regular maintenance for beverage equipment through effective filtration.

water filtration
beverage equipment
water treatment
filtration products
consumer services
Company size: 2-10

Specializing in water and wastewater treatment, this firm offers a comprehensive range of equipment and services, including design assistance, start-up support, and emergency repairs. Its commitment to timely solutions and environmental stewardship sets it apart in the environmental services industry.

water treatment
wastewater treatment
process equipment
pumps
controls
valves
design assistance
field troubleshooting
repair services
emergency repair
municipal services
commercial services
collection systems
distribution systems
engineered equipment
Company size: 11-50
Water Quality Association logo

Water Quality Association

🇺🇸 2375 Cabot Drive Lisle, IL 60532, US

A not-for-profit organization dedicated to the water treatment industry, focusing on education, product certification, and legislative support for water quality improvement. It serves as a leading resource for professionals and advocates for innovation in drinking water treatment and filtration solutions.

water treatment
product certification
education
legislative support
technical support
drinking water
water filtration
water quality
regulatory monitoring
lab testing
Company size: 51-200
Founded: 1948
WaterSurplus logo

WaterSurplus

🇺🇸 726 Beacon Street Loves Park, IL 61111, US

WaterSurplus specializes in sustainable water treatment solutions, offering innovative technologies such as custom turnkey equipment, advanced reverse osmosis systems, and rapid response PFAS treatment. With a focus on next-day availability and a diverse rental fleet, it provides cost-effective, immediate solutions for water and wastewater process applications globally.

sustainable water
water treatment
reverse osmosis
membrane filtration
PFAS treatment
rental equipment
turnkey systems
wastewater treatment
filtration systems
engineering design
surplus equipment
mobile RO
Company size: 51-200
Founded: 1988
Cyclopure logo

Cyclopure

🇺🇸 2430 N Halsted St 4th Fl

Cyclopure specializes in environmental services through innovative materials science, offering DEXSORB®, a highly selective adsorbent for PFAS removal across various applications, including environmental monitoring and water treatment systems. Their unique filtration solutions and products address critical challenges in PFAS contamination, positioning them as a leader in sustainable environmental engineering.

materials science
environmental engineering
PFAS
adsorption
environmental monitoring
filtration
water treatment
household filtration
municipal treatment
industrial treatment
Company size: 11-50
Founded: 2016
Mullarkey Associates Water Treatment logo

Mullarkey Associates Water Treatment

🇺🇸 8141 185th St Tinley Park, Illinois 60487, US

Specializing in water treatment solutions, this organization offers a comprehensive range of industrial and municipal products, including chemical dosing systems, filtration units, and advanced monitoring tools. With a focus on innovation and regulatory compliance, it partners with leading manufacturers to deliver high-quality, customized solutions that enhance performance, sustainability, and safety in water supply and irrigation systems.

water treatment
industrial distribution
municipal water
chemical feed
filtration systems
disinfection systems
water quality
wastewater management
regulatory compliance
technical support
training
consultation
Company size: 11-50
Founded: 1971
Mid America Water Treatment logo

Mid America Water Treatment

🇺🇸 1437 Brewster Creek Blvd Bartlett, Illinois 60103, US

A leading OEM and distributor in the water treatment industry, this family-owned business offers a comprehensive range of professional water treatment systems and components, emphasizing quality and same-day shipping. With over 40 years of experience, their knowledgeable sales team provides exceptional service and tailored solutions for various water quality challenges.

water treatment
water filtration
reverse osmosis
OEM
distribution
equipment
components
professional systems
vendors
shipping
Company size: 11-50
Founded: 1979
Charger Water Treatment Products logo

Charger Water Treatment Products

🇺🇸 8150 N. Lehigh Ave Morton Grove, IL 60053, US

Specializing in manufacturing custom-built water treatment systems and components, this enterprise provides tailored solutions for water treatment professionals, including plumbing contractors and well drillers. Their innovative approach leverages high-quality brand components to address a wide range of residential and commercial water quality challenges.

water treatment
filtration
water softeners
reverse osmosis
UV treatment
custom solutions
plumbing
OEM
distribution
residential
commercial
Company size: 51-200
Founded: 1980
RainSoft of Chicago logo

RainSoft of Chicago

🇺🇸 78 Eisenhower Ln N Lombard, IL 60148, US

RainSoft Water Treatment specializes in providing advanced whole-house water treatment systems, including water softening and reverse osmosis solutions, aimed at enhancing water quality for residential and commercial clients. With over 60 years of experience in water purification, the focus is on delivering effective and energy-saving products that meet diverse customer needs.

water treatment
water softening
reverse osmosis
water filtration
drinking water
water conditioning
home systems
energy savings
consumer services
water purification
Company size: 11-50
Founded: 2009
Antunes logo

Antunes

🇺🇸 180 Kehoe Blvd. Carol Stream, IL 60188, US

Antunes specializes in manufacturing innovative foodservice equipment, automation solutions, and water treatment technologies for the global foodservice industry. With a focus on creating the kitchen of the future, it offers custom solutions that enhance performance and quality in both commercial and residential settings.

foodservice equipment
automation solutions
water treatment
commercial cooking
residential water
water filtration
beverage systems
kitchen technology
food processing
equipment reliability
Company size: 201-500
Founded: 1955
Aqua-Aerobic Systems, Inc. logo

Aqua-Aerobic Systems, Inc.

🇺🇸 6306 N. Alpine Rd Loves Park, IL 61111-7655, US

Aqua-Aerobic Systems, Inc. specializes in providing innovative water and wastewater treatment solutions, offering a range of adaptable products and systems that enhance operational efficiency and reduce lifetime costs. Their expertise includes aeration, filtration, membrane systems, and advanced biological processes, catering to various municipal and industrial markets globally.

water management
wastewater treatment
aeration
filtration
biological processes
membrane systems
monitoring systems
disinfection
oxidation
aftermarket products
sludge technology
Company size: 51-200
Founded: 1969
Flo-Systems, A PumpMan Company logo

Flo-Systems, A PumpMan Company

🇺🇸 905 Cherry Ln Troy, Illinois 62294, US

Flo-Systems specializes in providing water and wastewater treatment equipment, including pumps, valves, and controls, while also offering design assistance and service support. Their innovative approach as a representative firm enhances efficiency in environmental services across the Eastern MO, Illinois, and Western KY markets.

water treatment
sewage treatment
pumps
valves
controls
design assistance
environmental services
process equipment
Company size: 11-50
Founded: 1982
AQUALAB Water Treatment, Inc. logo

AQUALAB Water Treatment, Inc.

🇺🇸 Prospect Heights, Illinois 60070, US

Specializing in custom formulated industrial water treatment solutions, this organization offers a comprehensive range of products designed to enhance the efficiency and longevity of cooling towers, steam boilers, and closed loop systems. Their innovative approach focuses on reducing water usage, minimizing operational costs, and meeting environmental goals through tailored treatment programs and additional services like water softeners and reverse osmosis systems.

water treatment
industrial chemicals
cooling towers
steam boilers
closed loop systems
water softeners
reverse osmosis
deionizers
facility safety
environmental compliance
operational efficiency
wastewater treatment
Company size: 2-10
Founded: 2017

Aquapro Water Technologies

🇺🇸 202 S Dogwood St Belle Rive, Illinois 62810, US

Aquapro Water Technologies specializes in manufacturing advanced medical equipment, focusing on innovative water purification solutions tailored for the healthcare industry. Their unique approach enhances patient safety and operational efficiency in medical environments.

medical equipment
water purification
filtration systems
healthcare technology
water treatment
sanitation solutions
Company size: 2-10

Engineered Fluid, Inc.

🇺🇸 1221 N ELM ST Centralia, Illinois 62801, us

Engineered Fluid, Inc. specializes in machinery manufacturing, focusing on municipal water distribution equipment designed to enhance operational efficiency across various markets. Their innovative approach includes a comprehensive service department capable of handling repairs and installations of water distribution systems tailored to client needs.

water distribution
machinery manufacturing
equipment installation
system repairs
municipal services
efficiency improvement
Company size: 51-200
Founded: 1946
Earthwise - Full Water Solutions logo

Earthwise - Full Water Solutions

🇺🇸 777 N Edgewood Ave Wood Dale, Illinois 60191, US

Specializing in environmental services, this organization offers comprehensive water treatment solutions that enhance efficiency, lower costs, and improve safety in various systems. With over 25 years of expertise, it focuses on innovative, sustainable approaches that reduce chemical use while conserving water and energy, ensuring the longevity of water management assets.

water treatment
water management
energy efficiency
environmental services
disinfection
cooling towers
legionella
ion exchange
water conservation
hospital safety
retrofitting
waterborne pathogens
Company size: 11-50
Founded: 1995
CALCO LTD. logo

CALCO LTD.

🇺🇸 960 Muirfield Dr Hanover Park, Illinois 60133, US

CALCO LTD specializes in environmental services, offering advanced water purification equipment and integrated systems that utilize cutting-edge technologies such as reverse osmosis and ultraviolet sterilization to meet high purity water needs for manufacturers. Established in 1969, it stands out for its comprehensive service and innovative solutions tailored to the demands of science and industry.

water purification
high purity
filtration
ion exchange
reverse osmosis
ultraviolet sterilization
microfiltration
environmental services
Company size: 11-50
Founded: 1969
C & I Power Solutions logo

C & I Power Solutions

🇺🇸 Chicago, Illinois 60606, US

Specializing in the application and implementation of critical power systems, this firm serves the commercial and industrial sectors, including data centers and manufacturing, with a focus on reliability and innovative solutions for diverse power needs.

critical power
power systems
commercial power
industrial power
data centers
government power
municipal power
aviation power
manufacturing power
wastewater treatment
power plants
Company size: 2-10
Quantrol, Inc logo

Quantrol, Inc

🇺🇸 9001 Hanslik Ct Naperville, Illinois 60564, US

Quantrol, Inc. specializes in wholesale distribution of process and water treatment control equipment, offering a range of products including metering pumps, filtration systems, and control valves. With a focus on quality and customer service, it also features proprietary filtration equipment, positioning itself as a knowledgeable partner in the water treatment industry.

water treatment
control equipment
filtration
metering pumps
process controllers
chemical storage
conductivity measurement
pH measurement
flow meters
control valves
dual containment
calibration solutions
Company size: 11-50
Founded: 1985
Sodimate Inc. logo

Sodimate Inc.

🇺🇸 2950 W Chicago Ave., Suite 205 Chicago, IL 60622, US

Sodimate specializes in the manufacturing of industrial machinery for bulk storage, discharge, metering, and mixing systems, primarily serving water and air treatment applications. With over 30 years of experience and a diverse range of innovative equipment, the firm enhances operational efficiency across multiple industries, including wastewater treatment, power generation, and food processing.

bulk handling
storage systems
discharge systems
metering systems
mixing systems
wastewater treatment
flue gas treatment
powdered activated carbon
lime slaking
soil remediation
plastics recycling
food processing
Company size: 11-50
Founded: 1980

Pargreen Sales Engineering

🇺🇸 1224 W Capitol Dr Addison, IL 60101, US

Pargreen Sales Engineering specializes in machinery manufacturing, offering innovative solutions tailored to meet the diverse needs of its clients in the industry.

machinery
manufacturing
engineering
sales
industrial equipment
Company size: 2-10
Arbortech Corporation logo

Arbortech Corporation

🇺🇸 3607 Chapel Hill Road Johnsburg, IL 60051, US

Arbortech Corporation specializes in designing and manufacturing advanced filtration systems for recycling water-based cleaning solutions and wastewater treatment, offering innovative solutions that enhance sustainability and reduce operational costs. Their expertise in membrane filtration positions them as a key player in the renewables and environment sector.

recycling
wastewater
treatment
filtration
aqueous
cleaning
solutions
membrane
Company size: 11-50

Specializing in retail office equipment, USABlueBook provides a comprehensive range of supplies and services for water and wastewater operations, emphasizing expert technical support and exceptional customer service. Founded by operators for operators, it distinguishes itself with a vast product selection and 24/7 emergency service support.

water treatment
wastewater management
MRO supplies
safety equipment
utility supplies
laboratory equipment
technical support
emergency services
repair services
municipal services
environmental protection
Company size: 5001-10000
Founded: 1991
Aerator Solutions LLC logo

Aerator Solutions LLC

🇺🇸 11765 Main Street Roscoe, Illinois 61073, US

A leader in air, water, and waste program management, Aerator Solutions specializes in innovative aerators and mixers for industrial and municipal wastewater treatment, offering trusted solutions alongside a partnership approach that enhances operational efficiency.

aeration
mixing
wastewater
water treatment
industrial equipment
municipal services
efficiency
program management
Company size: 2-10
Founded: 2009

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