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Experience The Keller Difference.

Building with Keller
04-21-25 | Keller, Inc. to Build for Thompson Animal Medical Center
04-21-25 | Keller, Inc. to Build for Paper City Savings Bank
04-17-25 | Keller, Inc. to Build for Kroll’s West
04-17-25 | Keller, Inc. to Build for Bank of Luxemburg

CONSTRUCTION EXCELLENCE SINCE 1960

OUR EXPERTISE

  • Space Needs Discovery
  • On-Staff Architects
  • Building Analysis
  • On-Staff Interior Designers
  • Onsite Supervision
  • Construction Crews

The Keller Difference

What sets Keller apart is our people, culture, and dedication. As a 100% employee-owned company, our team is fully invested in every project. We put our best effort into everything, treat each project as our own, and see every project as an opportunity to build a lasting relationship.

Construction Management

Commercial Construction

Agriculture

Experience the Keller difference

"We had a great experience with Keller in building our Dental Practice. We had originally hired another group for the project, but quickly realized they didn't seem to have our best interest at heart. Thank you to Keller for making our dreams a reality!" 

- Dr. Kelsey Patton, D.D.S., Co-Owner at Verona Family Dental
"We had a great experience with Keller in building our Dental Practice. We had originally hired another group for the project, but quickly realized they didn't seem to have our best interest at heart. Thank you to Keller for making our dreams a reality!" - Dr. Kelsey Patton, D.D.S., Co-Owner at Verona Family Dental
"I can’t say enough about the Keller team and their ability to deliver. We had an extremely tight timeline to complete our school expansion which was made more difficult by supply chain disruptions. The Keller team was able to get us into the classrooms we needed on time and on budget. In addition, the entire team was a pleasure to work with. From their leadership to the crews onsite, they were respectful, considerate, and displayed a strong commitment to meeting our needs.” 
–Nate Paul, Chief Operating Officer at 922 Ministries
"I can’t say enough about the Keller team and their ability to deliver. We had an extremely tight timeline to complete our school expansion which was made more difficult by supply chain disruptions. The Keller team was able to get us into the classrooms we needed on time and on budget. In addition, the entire team was a pleasure to work with. From their leadership to the crews onsite, they were respectful, considerate, and displayed a strong commitment to meeting our needs.” –Nate Paul, Chief Operating Officer at 922 Ministries
“From the Project Manager, to the Architect and Designer, they saw our vision and collaborated with us to create an exceptional final product.  We appreciated their open and honest communication and attention to detail – every element was discussed and documented and there were no surprises.  The Supervisor and Foreman of our project were quick to respond to questions and held the subcontractors to meticulous and precise work while maintaining a safe working environment.  The entire design-build Keller team that we worked with were very professional, yet truly made it a fun and friendly process.” – Mike Verstegen, Partner at VandenBoom Verstegen Wealth Management
“From the Project Manager, to the Architect and Designer, they saw our vision and collaborated with us to create an exceptional final product. We appreciated their open and honest communication and attention to detail – every element was discussed and documented and there were no surprises. The Supervisor and Foreman of our project were quick to respond to questions and held the subcontractors to meticulous and precise work while maintaining a safe working environment. The entire design-build Keller team that we worked with were very professional, yet truly made it a fun and friendly process.” – Mike Verstegen, Partner at VandenBoom Verstegen Wealth Management
“Our club began an extensive remodel project during what would widely be considered “a difficult market.” Keller did a very nice job delivering a great product on time and on budget.  A job well done!!!”  
- Tom Duffy, President at Butte des Morts Country Club
“Our club began an extensive remodel project during what would widely be considered “a difficult market.” Keller did a very nice job delivering a great product on time and on budget. A job well done!!!” - Tom Duffy, President at Butte des Morts Country Club
“Most impressive to me, was how open and transparent everyone at Keller, Inc. was throughout the entire building process. During a year when the words “supply chain issues” were part of every conversation, Keller managed the process efficiently to ensure the building was completed on time. The Bank is so pleased with the design of the Howard Branch, the construction process, and Keller’s ability to deliver the project on time and within budget, we have contracted multiple projects throughout the last few years. If you have any questions, or would like a tour, please feel free to contact me.” 
— Tim Treml, President/CEO at Bank of Luxemburg
“Most impressive to me, was how open and transparent everyone at Keller, Inc. was throughout the entire building process. During a year when the words “supply chain issues” were part of every conversation, Keller managed the process efficiently to ensure the building was completed on time. The Bank is so pleased with the design of the Howard Branch, the construction process, and Keller’s ability to deliver the project on time and within budget, we have contracted multiple projects throughout the last few years. If you have any questions, or would like a tour, please feel free to contact me.” — Tim Treml, President/CEO at Bank of Luxemburg
"During our first project working with Keller, they were open and honest throughout the entire process, while keeping the project on schedule and in budget. When the time came to design our second hangar, Keller was my first call. I would recommend Keller, Inc. to anyone in the aviation industry looking for a design/build partner." — Michael Stein, Owner at Stein’s Aircraft Services, LLC
"During our first project working with Keller, they were open and honest throughout the entire process, while keeping the project on schedule and in budget. When the time came to design our second hangar, Keller was my first call. I would recommend Keller, Inc. to anyone in the aviation industry looking for a design/build partner." — Michael Stein, Owner at Stein’s Aircraft Services, LLC
"For any of my friends, neighbors, fellow dairymen, I would highly recommend hiring Keller, Inc. to do a job. We felt we were getting the best value for our dollar with Keller, Inc.." – Amber Horn-Leiterman, Owner at Hornstead Dairy
"For any of my friends, neighbors, fellow dairymen, I would highly recommend hiring Keller, Inc. to do a job. We felt we were getting the best value for our dollar with Keller, Inc.." – Amber Horn-Leiterman, Owner at Hornstead Dairy
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Fox Cities

N216 State Highway 55
Kaukauna, WI 54130

920-766-5795

Milwaukee


W204 N11509 Goldendale Road
Germantown, WI 53022


262-250-9710

Madison

711 Lois Drive
Sun Prairie, WI 53590


608-318-2336

Wausau

224575 Lilac Ave
Wausau, WI 54401

715-849-3141

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