Nikolaus Theis Nachf. Böger GmbH
A family-run slate mining and manufacturing company in Germany, founded in 1902.
Last updated September 1, 2026
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Overview
Nikolaus Theis Nachf. Böger GmbH, also known as Theis-Böger, is a German company specializing in slate for roofs, facades, and gardens. Founded in 1902 by Nikolaus Theis, it has been family-run for over 120 years and is currently led by the fourth generation. The company offers a comprehensive range of slate products and other natural stones for interior and exterior applications.
History
The company was founded in 1902 by Nikolaus Theis, starting slate mining in the Bundenbach region. It has been passed down through the family, from the founder to his son-in-law and later to his youngest son. Today, it is led by the fourth generation.
Products and positioning
Roof & wall slate
Garden & landscaping stone
Interior natural stone
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