| Dates | Trade Name | Historic Address | 
|---|---|---|
| 1866 - 1869 | Herman Seifert & Co. | Sherman Township | 
| 1870 - 1872 | Herman Seifert (& Bro.) | Sherman Township | 
| 1872 - 1873 | Seifert Bros. | Sherman Township | 
| 1874 - 1881 | Julius Seifert | Sherman Township | 
| 1881 - 1903 | Charles Hamm | Near Modern State Highway 144 and Camp Awana Road | 
1866 FoundedHerman Seifert & Co.Sherman Township
1870 Herman Seifert (& Bro.)Sherman Township
1872 Seifert Bros.Sherman Township
1874 Julius SeifertSherman Township
1881 Charles Hamm Near Modern State Highway 144 and Camp Awana Road
1903 ClosedCharles Hamm