Established 1915
Providing Environmental Solutions Globally
We manufacture products that clean water, air, and soil.
About Carus
Carus has enjoyed over a century of growth and success in Illinois’ Starved Rock Country. We have been at the forefront of innovation, helping municipalities and businesses worldwide solve unique environmental challenges. Through continuous research and development efforts in special chemistries, we provide high-quality products and solutions that clean water, air, and soil in a range of different applications. As an organization, we are focused on preserving the planet for a more sustainable future.
Responsible chemistry. Innovative solutions.
At Carus, we provide innovative solutions that help customers around the world solve environmental challenges. From municipal water and wastewater treatment to air purification and soil remediation, our expertise spans advanced oxidation technologies, permanganate chemistries, phosphate-based corrosion control, and industrial catalysts. Explore how our tailored solutions make an impact across industries, from municipal systems to manufacturing processes.
Our Commitment to Sustainability
At Carus, sustainability is at the core of everything we do. As proud participants in the American Chemistry Council’s award-winning Responsible Care® initiative, we uphold a shared commitment to advancing environmental stewardship, health, safety, and security. This dedication drives us to continually improve our practices, ensuring a cleaner, safer future for generations to come.
Discover Your Future at Carus
At Carus, we believe the best chemistry starts with people. Build great chemistry with a company that values collaboration, accountability, results, and engagement (CARE), all based upon a foundation of trust. At Carus, we’re committed to creating an environment where you’re supported, inspired, and celebrated—whether through professional growth opportunities, employee recognition, or engaging social events. Explore how our exceptional benefits and opportunities to grow, thrive, and make a difference—together.
Carus in the Community
Discover how Carus gives back to Starved Rock Country through impactful community outreach initiatives. From environmental projects and education programs to local support efforts, we’re committed to making a difference where we live and work. Learn more about our Core Elements of Community Outreach and how we engage with our community.
What Our Customers Say
“We absolutely love our partnership with Carus! Your products are fantastic. Our Salesman, Tim Colgan is so wonderful to work with!! We appreciate how responsive and knowledgeable he is. Thank you for the great products and services you offer!”
“Being a distributor for Carus has been an amazing experience. It’s far more than the quality of products sold – it’s the support Carus provides.”
Frequently Asked Questions
Company & Mission
Who is Carus LLC?
Carus is a global provider of environmental solutions, manufacturing specialty chemistries that help clean water, air, and soil across a wide range of applications. Founded more than 100 years ago, Carus has evolved to focus on protecting the environment and preserving our planet for a more sustainable future.
What is Carus’s mission?
To deliver sustainable chemistry solutions that help clean and protect water, air and soil — advancing innovation, ensuring safety, and enabling a healthier planet for current and future generations.
Where is Carus located?
Carus is headquartered in Peru, Illinois, with a sales office in Oviedo, Spain, serving customers worldwide. We operate two manufacturing sites: our primary facility in La Salle, Illinois, where we produce permanganate, phosphates, and catalysts; and our Belmont, North Carolina facility, which focuses exclusively on phosphate production.
Technical Support & Services
What technical support does Carus provide?
We offer laboratory testing, feasibility and treatability studies, product/treatment recommendations, safety & handling training, and custom dosing equipment design.
Can Carus help with emergency response?
For emergency incidents ONLY: Call CHEMTREC®
CHEMTREC® USA: (800) 424-9300,
CHEMTREC® Other Countries: 001 (703) 527-3887
How do I request technical assistance or a consultation?
Contact our technical team directly through our Contact page.
Ordering & Logistics
How can I place an order with Carus?
Orders can be placed by contacting our Customer Service team via phone or email, available on our Contact page.
Does Carus ship internationally?
Yes. With offices in the U.S. and Europe, Carus supplies products and technical support worldwide.
How does Carus ensure supply reliability?
Carus operates multiple production facilities, has a robust distribution system, maintains strong logistics partnerships, and invests in safety stock to ensure consistent product availability.
Partnerships & Innovation
Does Carus collaborate with other organizations?
Yes. Carus partners with research institutions, municipalities, professional organizations, and global companies such as Redox Tech to advance groundwater remediation and environmental treatment technologies.
Does Carus provide training or educational resources?
We offer technical webinars, on-site training, and detailed product literature for customers and partners. Contact us for more information.
Are case studies available?
Yes, Carus publishes case studies and technical papers highlighting successful applications of our products in water, soil, and air treatment projects. Visit our Resources Page to view our webinars, product data sheets, case studies/literature, our blog and more.
Products & Solutions
What types of products does Carus offer?
We provide three main product categories:
- Permanganates (AQUOX®, CAIROX®, CARUSOL®, LIQUOX®, RemOx®)
- Phosphates (AQUA MAG®, AQUADENE®, CALCIQUEST®, CARUS™ 1000–8000)
- Catalysts (CARULITE® 200, 300, 400, 500)
What industries does Carus serve?
We support municipalities, industries, and environmental engineers in areas such as:
- Drinking Water Treatment (corrosion control, iron & manganese removal, lead/copper management)
- Air & Gas Treatment (ethylene oxide destruction, ozone removal, indoor air quality)
- Soil & Groundwater Remediation (chlorinated solvents, 1,4-dioxane, petroleum hydrocarbons)
- Mining & Industrial Wastewater (acid mine drainage, odor control, polishing, reuse compliance)
- Chemical Synthesis (oxidation in industrial processes)
Does Carus provide custom solutions?
Yes. Our technical team designs treatment plans, dosing systems, and site-specific strategies based on each customer’s unique needs.
Safety, Sustainability, Compliance & Continuous Improvement
How does Carus ensure safety in its operations?
As a member of the American Chemistry Council (ACC), Carus actively participates in Responsible Care®, the chemical industry’s world-class environmental, health, safety and security performance initiative. Responsible Care companies play a vital role in ensuring that the business of chemistry is safe, secure and sustainable. Learn more about Carus’ commitment to Responsible Care®.
The Carus Environmental Health, Safety, and Security (EHSS) Department has multiple Emergency Response and Spill Control Procedures that address each specific chemical we have on site. Furthermore, all personnel are trained in Hazard Communications and Spill Response. If there is a spill, we immediately stop all work and create a safety standdown. The cause of the issue is discussed to ensure it is handled appropriately and according to all procedures.
Training requirements and other qualifications for drivers include DOT Hazmat Training Program, Hazmat Transportation Driver Training, Tanker Driving Technique Training, Tanker Vehicle Inspection Training, Alliance Road Test with Lead Driver, and Alliance Facility Offloading Test with Lead Driver. We also conduct pre-employment background checks and pre-employment evaluation of five years of inspection and driver record data.
Carus has comprehensive, site-specific emergency response plans for all facilities. These plans are federally mandated to be updated regularly and available for regulatory inspection upon request. These are not generic plans. For safety and security reasons, specifics of the emergency response plan cannot be publicly shared, but first responders, elected officials, and regulatory agencies all have access to these plans. Each of our facilities has an emergency response plan that is specific to each site’s needs. The LaSalle plant’s emergency response plan includes specific procedures for fires, operational issues, weather-related issues, security issues, medical emergencies, and other emergency procedures.
Is Carus committed to sustainability?
Yes. As a member of the American Chemistry Council (ACC), Carus actively participates in Responsible Care®, the chemical industry’s world-class environmental, health, safety and security performance initiative. Responsible Care companies play a vital role in ensuring that the business of chemistry is safe, secure and sustainable. Learn more about Carus’ commitment to Responsible Care®. To learn more about our commitment to sustainability, visit our Certifications & Sustainability web page.
Do Carus products help customers meet regulations?
Our chemistries are designed to help municipalities and industries comply with EPA, EU, and other regulatory standards for air, water, and soil quality.
Is Carus ISO-Certified?
Yes, Carus’ LaSalle, IL USA facility is ISO:9001 certified and Carus Europe, S.L. is ISO 14001 certified. Learn more here.
Community & Careers
What is the Carus Summer Science Camp?
It is a free, weeklong STEM camp for local 6th graders, running since 2002, designed to inspire the next generation of scientists and engineers. Learn more about our community involvement.
Has Carus been recognized as a great place to work?
Yes, Carus was voted the #1 Top Large Employer in the Illinois Valley in 2024. As of 2025, we have given $6M in tuition reimbursement, our average employee tenure is 10 years (more than double the industry standard), 38% of our workforce has over 10 years at Carus, and we host a minimum of 15 annual company-sponsored events throughout the year. Learn more about why Carus is a great place to work at our careers page.
Where can I find Carus career opportunities?
Visit our Careers page to explore open roles in chemistry, engineering, operations, and corporate support.
Getting in Touch
How can I contact Carus for more information?
- Customer Service: Orders and product support
- Technical Service: Applications, testing, and equipment design
- Media & General Inquiries: Corporate communications
- Contact details are available on our Contact page.