Ehemalige Heyne-Fabrik, Industrial heritage site in Offenbach am Main, Germany

Ehemalige Heyne-Fabrik is an industrial building in Offenbach am Main with three stories positioned at a corner where metal screws and precision parts were once made. The structure features vertical wall pillars emphasizing its lower floors and now houses modern businesses including communication agencies, design studios, architects, and fashion companies.

The Gebrüder Heyne GmbH metal screw factory and precision turning works was founded in 1869. From the 1890s it acquired land near the planned Main harbour and moved its production there in 1902; the factory buildings along Ludwig-, André-, Lilistraße and Nordring date from 1896 to 1913. The administration building by architect Hugo Eberhardt was built in 1913–1914. The firm closed in 1968, and around twenty years later conversion into offices began.

The building displays craftsmanship through details like its stone staircase and colored glass windows, reflecting the care taken in its original design. These elements show how industrial companies of that era valued quality in their work spaces.

The complex is a working office site, not a museum: the courtyards and street facades along Ludwig-, André-, Lilistraße and Nordring can be seen from outside, but the stair hall and decorated rooms are not open to visitors. The site lies on the Route der Industriekultur Rhein-Main; the twice-yearly sample sale and the classic-car meeting bring people in.

A bronze memorial plate from 1919 commemorating the company's 50th anniversary remains preserved inside the administrative building. This overlooked artifact provides direct evidence of the company's early success and longevity in the industrial sector.