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About Us

Our company, Zimmerman Plumbing, Inc. has been in business for over 80 years. It was started by Emil Zimmerman in 1932. Over the years there have been many owners. Dennis Nachreiner purchased the business in 1998 and at that time it became a family business. Currently Dennis, his daughter Sarah, son Mike and son-in-law Avery are all active in the business.

Our plumbers are skilled in all areas of the plumbing field, including industrial, laboratory and medical gas. Our company offers a wide variety of plumbing services from the basic in home installations to the demands of large commercial projects. However, about 95% of our business is commercial construction. We provide our services throughout the state of Wisconsin as well as surrounding states.

We are proud to have been a part of the successful completion of many projects including Pierce's Marketplace Remodel in Portage, Kerry Foods, Bio-Chemistry II at UW-Madison, Covance Laboratories, Columbia County Huber Center, Black River Falls Hospital and many more.

With our workforce of over 30 Wisconsin Licensed Plumbers and our ability and past experience, we are able to expedite and schedule large projects on time or ahead of schedule as well as in or below the budget.

We have an active safety program that has resulted in an experience modification rating of 0.84 from the Wisconsin Compensation Rating Bureau.

As a company that has been a part of completing projects with plumbing costs from $10,000 to $5 million, we are confident in our employees and our ability to meet your needs.


Contact us Today!

Zimmerman Plumbing, Inc.
303 Albert Street
Portage, WI 53901

p: 608.742.3222
f: 608.742.7647



Commercial Services

Residential Services


Serving Madison, Milwaukee, Green Bay, Lodi, Portage, Baraboo, Reedsburg, Stevens Point, Janesville, Beaver Dam, Fox Lake, Wisconsin Dells, Lake Delton,
Kenosha, Racine, Appleton, Waukesha, Oshkosh, Eau Claire, Northern Wisconsin, Minnesota, Illinois

Zimmerman Plumbing, Inc., 303 Albert Street, Portage, WI 53901 p: 608.742.3222 f:608.742.7647
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