
Our History
| 1933 | Conrad Hamann started Hamann Construction Company in June |
| 1939 | New office, shop and warehouse was built on North 9th Street in Manitowoc |
| 1940 | During the war, the firm constructed less residential and completed more commercial and industrial projects |
| 1946 | Howard Hamann joined the firm and was appointed Secretary in 1950 and President in 1971 |
| 1949 | New office, shop and warehouse were constructed on the property located at 408 Commercial Street in Manitowoc |
| 1984 | A 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 | |
| 1990 | Stephen Hamann appointed President and James Hamann was appointed Vice President |
| 2020 | Tim Hephner appointed Vice President |
| 2023 | Tim Hephner appointed President |

“With a rich history spanning over 90 years, Hamann Construction has established itself as a premier general contractor, proudly serving the local community and Northeastern Wisconsin. Our dedication to excellence has earned us a stellar reputation, as we continue to deliver the highest level of integrity, quality , honesty, and value. We take pride in working together to build a better future. From idea to occupancy. We make building simple.”
– 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.



