STEREON Materials (former QSIL) is a leading international specialist for high-performance materials, including advanced ceramics, technical glass and refractory metals. With its unique combination of material expertise and manufacturing excellence, STEREON Materials (former QSIL) enables innovation in industries such as diagnostics & analytics, semiconductors, aerospace, automotive and industrial solutions. With around 600 employees at six production sites in Germany and England, STEREON Materials achieves an annual turnover of over 100 million euros. The dynamically growing company operates in more than 50 countries, serving global technology leaders across Europe, Asia and America.
| Website | http://www.stereon.com |
| Revenue | $5.1 million |
| Employees | 121 (46 on RocketReach) |
| Address | Gustav-Tauschek Straße 1, Erfurt, Thuringia 99099, DE |
| Industry | Glass, Ceramics and Concrete Manufacturing, Metals & Mining General, Metals & Mining |
| Competitors | L3Harris Technologies, Rockwell Collins, Garmin, Avidyne, Appareo Systems, FreeFlight Systems, Dynon Avionics, uAvionix Corporation, Aspen Avionics, BendixKing +37 more (view full list) |
| SIC | SIC Code 50 Companies, SIC Code 33 Companies |
| NAICS | NAICS Code 331 Companies, NAICS Code 33 Companies |
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Stereon Questions
The Stereon annual revenue was $5.1 million in 2026.
Cliff Seidlitz is the CEO of Stereon.
46 people are employed at Stereon.
Stereon is based in Erfurt, Thuringia.
The NAICS codes for Stereon are [331, 33].
The SIC codes for Stereon are [50, 33].
Top Stereon Employees
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Cliff Seidlitz
CEO at Stereon
Berlin, DE2 -
André Dronhofer
CEO at Stereon
Hermsdorf, TH, DE1 -
Theo Ketelaar
Procurement Manager at Stereon
Groningen, Netherlands -
Jörg Höhne
Sales Manager and Application Engineer at Stereon
Bad Köstritz, TH, DE1 -
Theo Ketelaar
Procurement Manager at Stereon
Groningen, GR, NL11 -
Thorsten Thiel
Senior Sales- and Key Account Manager at Stereon
Stuttgart, BW, DE1 -
Harry Schubert
Leitender Ingenieur at Stereon
Erfurt, TH, DE
