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 was appointed President and James Hamann was appointed Vice President
2020Tim Hephner was appointed Vice President

“Hamann has always maintained a workforce of experienced and dedicated people who take pride in a job well done. Our reputation of quality workmanship, reliability and integrity has remained constant through three generations of company management and has contributed to the success of the company for over 90 years.”

– Steve Hamann, 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