Our History

1933Conrad Hamann started Hamann Construction Company in June
1939New office, shop and warehouse was built on North 9th Street in Manitowoc
1940During the war, the firm constructed less residential and completed more commercial and industrial projects
1946Howard Hamann joined the firm and was appointed Secretary in 1950 and President in 1971
1949New office, shop and warehouse were constructed on the property located at 408 Commercial Street in Manitowoc
1984A new facility including offices, maintenance and carpenter shops, and two storage buildings were constructed at Hamann’s new location, 4613 Custer Street in Manitowoc
Hamann becomes an authorized builder of Ceco Building Systems® pre-engineered metal buildings
1990Stephen Hamann appointed President and James Hamann was appointed Vice President
2020Tim Hephner appointed Vice President
2023Tim Hephner appointed President
Hamann President Tim Hephner
Tim Hephner, Hamann President

“Working closely with Jim and Steve Hamann over the past number of years has prepared me for my new leadership role and has enabled a smooth transition to President. Hamann will continue to maintain its reputation for industry leadership, high-quality work, reliability, and having a dedicated, experienced workforce. Our strong community commitment to Northeastern Wisconsin will remain as it has for over 90 years.”

– Tim Hephner, President of Hamann Construction Company

Hamann Construction’s diverse project portfolio includes Commercial, Industrial Manufacturing, Educational, Financial, Healthcare, Retail, Municipal, Service, Office, Religious, and Pre-Engineered Metal Buildings. We also complete many types of heavy concrete projects.

Original Hamann Construction Offices
Jim Hamann, Howard Hamann, Conrad Hamann and Steve Hamann
(l to r) Jim Hamann, Howard Hamann, Conrad Hamann, and Steve Hamann
Conrad Hamann in front of one of Hamann's original trucks
Howard Hamann in front of one of Hamann’s original trucks