| Dates | Trade Name | Historic Address |
|---|---|---|
| 1843 - 1845 | Schiele & Muhlhauser | 2nd Street |
| 1845 - 1858 | Thomas H. Muhlhauser, Portsmouth Brewery | 2nd Street |
| 1858 - 1865 | (Widow) Muhlhauser & (Felix) Geiger | 2nd Street |
| 1868 - 1878 | Frank Kleffner, Portsmouth Brewery | 2nd between Madison & Massie |
| 1878 - 1880 | (Frank) Kleffner & (August) Maier, Portsm... | 2nd between Madison & Massie |
| 1880 - 1882 | Kleffner, Maier & Co., Portsmouth Brewery | 2nd between Madison & Massie |
| 1882 - 1884 | Roettcher & Maier | 2nd between Madison & Massie |
| 1884 - 1886 | H. Roettcher, Portsmouth Brewery | 2nd between Madison & Massie |
| 1886 - 1889 | Conrad Gerlach | 2nd between Madison & Massie |
| 1889 - 1891 | Julius C. Esselborn | 2nd between Madison & Massie |
| 1891 - 1892 | Portsmouth Brewing Co. | 2nd between Madison & Massie |
| 1892 - 1919 | Portsmouth Brewing and Ice Co. | 224 2nd Street between Massie & Madison |
2nd September 1835