Foundations and Early Growth
1938: FAUDI Feinbau GmbH founded by engineer Fritz Faudi in Oberursel, Germany.
1955: Fritz Faudi awarded the Order of Merit by President Theodor Heuss; passes away the same year.
1973: FAUDI receives its first API 1581 acceptance for aviation filtration.
1976: Acquisition of Atlantik Gerätebau GmbH in Stadtallendorf.
Mergers and Expansion
1984: FAA Filters (formerly North American Filter Corporation) founded in New York.
1989: Merger of FAUDI Feinbau and Atlantik Gerätebau forms FAUDI Filtersysteme GmbH.
1989–2000: FAA Filters owned by UK-based BTR; rapid growth and acquisition of The Refilco® Corporation.
1991: FAA Filters begins microfiltration production with a Class 10,000 cleanroom.
1992: FAUDI Filtersysteme receives ISO 9001 certification.
1995: FAA Filters earns ISO 9001 certification.
1997: FAUDI relocates to Stadtallendorf; establishes R&D centre with advanced filter test rig.
Aviation Focus and Innovation
2002: FAA Filters earns ISO 9001:2000 certification.
2003: Successfully completed a management buyout; Marcus Wildschütz acts as managing director for FAUDI Aviation.
2009: Launch of AFGUARD® electronic water sensor.
2018: Launch of EI-qualified Dirt Defence Filter Elements and coalescer elements.
2020: AFGUARD® + Dirt Defence accepted as a global filtration standard.
Global Integration and the Birth of sefiso
2021: FAA Filters acquired by FAUDI Aviation America Holdings, Inc.
2024: Launch of the sefiso brand, unifying global operations under one identity.
2024: Start of aviation filter production under sefiso LLC in the U.S.