Template:Zeiss Ikon Predecessor
| 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 |
