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‘My business is to make friends – good friends.’

Alfred E. Tiefenbacher – Founder of AET

The goal of Alfred E. Tiefenbacher – founder of AET – was long-term business relationships between customers and clients, which was summed up in his motto.

TIEFENBACHER and partnerships

Lasting business relationships for sustained quality

Continuity, transparency and trust are the cornerstones of collaboration with active pharmaceutical ingredient – API suppliers and partners in the industry. Long-term cooperations define TIEFENBACHERs corporate history. TIEFENBACHER has been the API representative for RECORDATI, for example, for over four decades. Today, the corporation works together with more than 50 excellent international API manufacturers, which TIEFENBACHER calls Principals and Partners – a term that has become a standard in the API business worldwide.


TIEFENBACHER and partnerships

Supply Partners


Divis Laboratories Ltd.
Erregierre S.p.A.
Hamari Chemicals, Ltd.
Zhejiang Huahai Pharmaceuticals Co., Ltd.
ScinoPharm Taiwan, Ltd.
Farmabios S.p.A. Gropello Cairoli, Italy
Zhejiang Hisun Pharmaceutical Co. Ltd. Zhejiang, China
Johnson Matthey Macfarlan Smith Edinburgh, UK
Mallinckrodt Pharmaceuticals Hazelwood, MO, USA
Moehs Ibérica S.L. Barcelona, Spain
Olon Milan, Italy
Pfizer CentreSource Kalamazoo, USA
Prodotti Chimici e Alimentari S.p.A. Basaluzzo (AI), Italy
Recordati S.p.A. Milan, Italy
Sandoz Kundl, Frankfurt, Barcelona, Rovereto
USV Ltd. Mumbai, India