Manufacturing companies established in 1811

The Königlich Württembergische Gewehrfabrik (English: Royal Württemberg Gun Factory) was a state-owned firearms manufacturer from 1812 to 1874 and the predecessor of the Mauser arms manufacturer.

The Heimbach Group is a supplier of textiles for the paper manufacturing, environmental technology and other industries. With production sites across Europe, it produces industrial textiles and filtration materials for various applications.

The Susquehanna Pfaltzgraff Company was a conglomerate of companies that started in the 19th century with Johann George Pfaltzgraff's emigration from Germany to York, Pennsylvania (in the Susquehanna Valley).

Chappell & Co. was an English company that published music and manufactured pianos. Founded by pianist Samuel Chappell, the company was one of the leading music publishers and piano manufacturers in Britain until 1980 when Chappell sold its retail activities to concentrate solely on music publishing.