Chlorinating Ltd. is the authoritative leader in water chlorination across Chicago and it’s suburbs, Illinois, Southern Wisconsin and Northwest Indiana. We are the oldest and most experienced chlorinating contractor in the Tri-State area.

For nearly four decades, Chlorinating Ltd. has provided a full range of contract services to plumbers, engineering firms, mechanical firms, sewer and water contractors, and villages and municipalities. Our customers range from new construction to pumping stations, water treatment plants, hospitals, casinos, and schools.

We partner with every customer to provide service that is highly professional and expertly completed. We are punctual and deadline-driven. We approach each project with flexibility to meet your timeline and requirements.

As members of the American Water Works Association, we adhere to the highest industry standards and stay up to date on the latest resources, tools, technology, and EPA standards regarding water chlorination.

Our membership in the Underground Contractors Association of Illinois gives us access to crucial information and services regarding safety, legislation, rules and regulations, and educational opportunities.

In business since 1977, Chlorinating Ltd. is a third-generation family owned company.


CHLORINATING LTD. || (847) 991-8330 || EMAIL