Drexler & Nagel
| Zeiss Ikon and related companies |
| Pre-Merger phase I (before 1909) |
| Hüttig | Wünsche | Krügener | Carl Zeiss Palmos | Nettel | Drexler & Nagel | Herbst & Firl |
| Pre-merger phase II (1909-1926) |
| Carl Zeiss | Ernemann | ICA | Goerz | Zulauf | Contessa-Nettel |
| Zeiss Ikon (1926 and after) |
| Zeiss Ikon | Pentacon |
| Photo industry in Stuttgart |
| Contessa | Contessa-Nettel | Drexler & Nagel | Ebner | Hauff | Kenngott | Kodak AG | G. A. Krauss | Nagel | Zeiss Ikon |
In 1908 Drexler & Nagel was founded, a camera maker based in Stuttgart, Germany. In 1909 it was renamed to Contessa Camerawerke or Contessa Camerawerke Drexler & Nagel. One of its founders and camera designers was Dr. August Nagel (1882-1943). In 1918 he constructed an aerial camera. In 1919 the company acquired the Nettel Camerawerk. Together they were Contessa-Nettel. It operated under the Contessa-Nettel name from 1919 until 1926.
