As a manufacturers’ representative we partner with leading manufacturers of process and instrumentation equipment. MSW delivers expert guidance, premium equipment, and consistent support for your water and wastewater control systems.
Partner with Mulcahy Shaw Water—we’ll handle your water and wastewater needs.
Serving the industry for over 50 years.
Three Generations Strong
Full life cycle
support.
Serving Wisconsin & Michigan’s U.P.
Reliable partner you can count on
Provide reliable, efficient water and wastewater treatment solutions.
We analyze each facility’s unique needs to provide tailored solutions to achieve optimal performance and regulatory compliance.
Mulcahy Shaw Water has served the water and wastewater community since 1974. We’re a family business that partners with over 30 different manufacturers. We deliver best-in-class water and water treatment solutions to municipal and industrial facilities across Wisconsin and Michigan’s Upper Peninsula.
Need help? Contact us for a consultation or a service request. We’re here to meet your needs and exceed your expectations.