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Mulcahy Shaw Water

MSW has been servicing the water & wastewater community for 40 years.

We represent & service over 20 different manufacturers, while striving to provide the best customer service in the industry.

More About MSW

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MSW Team

We are committed to servicing the water & wastewater industries using our knowledgeable & experienced staff.



MSW Team

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Process Equipment

At MSW, we work with our clients to develop the correct line of water process equipment that meet their needs & exceed their expectations.

We provide quality & compatible equipment lines to Wisconsin & Michigan's Upper Penninsula, as well as, offering service.

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Instrumentation

At MSW, we work with to our clients to develop the correct lines of water treatment instrumentation to meet their needs & exceed their expectations.

We provide quality & compatible equipment lines to our territory, as well as, offering service.

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Now Representing: PHG Energy

  • Proven gasification technologies
  • Clean, sustainable waste disposal solutions
  • Renewable energy production
  • Energy neutrality for WWTP
  • Can process sludge, wood or MSW
  • Small footprint, easy to operate
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Now Representing: EnviroMix

  • BioMixTM Compressed Gas Mixing Systems
  • High Efficiency, Low Maintenance Mixing
  • 50-60% Lower Energy Consumption vs. Mechanical Mixers
  • Energy Management Software and Cloud-Based Storage
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Excellence Since 1974


Our company has been serving clients, principals & distributors since 1974. We are driven to exceed expectations & build long-lasting relationships throughout our territory.

MSW Mission

MSW strives to meet & exceed customer expectations by partnering with leading manufacturers, offering the latest in products & services to the water & wastewater industry.

Upcoming Events

Where we'll be:

  • WEFTEC - McCormick Place - Chicago, IL
    September 27th-30th, 2015
  • WWOA - Kalahari - Wisconsin Dells, WI
    October 6th-9th, 2015
  • WRWA - KI Center - Green Bay, WI
    March 29th - April 1st, 2016