The Helios AG für elektrisches Licht und Telegraphenanlagenbau was a German electrical engineering company. Founded in 1882, it existed until its liquidation in 1930. The company was based in the town of Ehrenfeld, which was incorporated into Cologne in 1888. The company is presently best known for the Heliosturm, a lighthouse on the former site of the factory that was constructed for test and research purposes. Today, the area is used by gastronomy and craft businesses.

You can help expand this article with text translated from the corresponding article in German. (April 2022) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 9,118 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Helios (Elektrotechnikunternehmen)]]; see its history for attribution. You may also add the template {{Translated|de|Helios (Elektrotechnikunternehmen)}} to the talk page. For more guidance, see Wikipedia:Translation.

This article does not cite any sources. (October 2021)