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About

Our History – an Experienced General Contracting Firm

Maas Brothers Construction, Co., Inc., is one of Wisconsin’s oldest and most well-respected general contracting firms. Founded in 1922 by brothers Albert W. and Alvin (Ollie) Maas in Watertown, the growing construction business survived the Great Depression and thrived during the post-World War II construction boom. In the 1940s, Albert’s sons, Earl and Albert Jr., joined the family business. Together, they ran the company from 1949 until their retirement in 1990. Earl’s son, Robert Maas, took over management of the company in 1990.

The company expanded its operations throughout the 1990s under Robert’s direction, with considerable contributions from Daniel Shea and Douglas Beilke, who are 2nd-generation members of the Maas Brothers team, and Kevin Kohlhoff. Today, as we approach the company’s 100thanniversary, Maas Brothers continues to grow and evolve in an ever-changing construction industry. Together, our team brings decades of construction experience to the business. Thanks to our longstanding reputation for providing quality construction work, many long-term clients—including some dating back to the 1940s and ‘50s—continue to choose Maas Brothers Construction.

In addition to construction management, Maas Brothers self-performs a variety of trade work, including rough and finish carpentry, concrete and selective demolition. Supplying our own trade professionals helps us control quality and timelines to deliver projects on schedule and within budget.

Over the years, Maas Brothers has developed a strong network of construction industry relationships, including architects, engineers, vendors and subcontractors.  These connections lead to better value engineering, lower subcontractor and vendor pricing, and maximum efficiency on projects of all types and sizes.

Al Maas, Sr.

Albert Maas, Sr.

Earl Maas

Al Maas, Jr.

Albert Maas, Jr.

Today, Maas Brothers continues to grow and evolve in an ever-changing construction industry. The current management team of Doug Beilke, Kevin Kohlhoff, Anthony Maas, Tony Meyers, Daniel Shea and Mark Stafford bring more than 100 years of combined construction experience to the table of this fourth generation business.

Over the years, Maas Brothers has developed a strong base of business relationships within the construction industry, with architects, engineers, vendors and subcontractors.  These relationships lead to better value engineering, lower subcontractor and vendor pricing, and maximum efficiency on projects of all types and sizes.

Meet Our Team

Kevin Kohlhoff
Kevin KohlhoffPresident - Business Manager
Daniel Shea
Daniel SheaVice President - Project Manager
Douglas Beilke
Douglas BeilkeVice President - Project Manager
Tony Meyers
Tony MeyersVice President - Project Manager
Anthony Maas
Anthony MaasSecretary / Treasurer - Project Manager
Mark Stafford
Mark StaffordProject Manager
Trevor Kearns
Trevor KearnsAssociate Project Manager
Eric Graf
Eric GrafRisk Manager
Kurt Altreuter
Kurt AltreuterProject Superintendent
Larry Berry
Larry BerryProject Superintendent
Kim Gretz
Kim GretzProject Superintendent
Matt Hollman
Matt HollmanProject Superintendent
Barth Liesener
Barth LiesenerProject Superintendent
Jack Wiehert
Jack WiehertProject Superintendent
Aaron Zellmer
Aaron ZellmerProject Superintendent
Mike Redfield
Mike RedfieldProject Superintendent

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