Seibelsdorfer Strasse 16, D-36326 Antrifttal-Vockenrod, Tel. 06631/3337, Fax 06631/3379, Website

Richard - Seiffert - Str.1, D-51469 Bergisch Gladbach, Tel. 02202/299130, Fax 02202/299139, Website

Richard - Seiffert - Str.1, D-51469 Bergisch Gladbach, Tel. 02202/299150, Fax 02202/299159

Bellermannstr. 81, D-13357 Berlin, Tel. 030/4937700, Fax 030/4937700

Behringstrasse 5, D-63303 Dreieich, Tel. 06074/5947, Fax 06074/861561, Website

Hinterm Forde 6, D-49681 Garrel, Tel. 04474/947400, Fax 04474/947401, Website

Am Mühlberg 12, D-06193 Götschetal OS Teicha, Tel. 034606/20358, Fax 034606/20506, Website

Poll - Vingster - Strasse 107, D-51105 Köln, Tel. 0221/839401, Fax 0221/8394666

Schramberger Strasse 92, D-78730 Lauterbach, Tel. 07422/22185, Fax 07422/23243, Website

Klosterkamp 7, D-39126 Magdeburg, Tel. 0391/501240, Fax 0391/501241, Website

Am Schürmannshütt 39, D-47441 Moers, Tel. 02841/1802-0, Fax 02841/1802-50

Marienstr. 13, D-73630 Remshalden, Tel. 07151/72006, Fax 07151 / 74823

Carl - Zeiss - Strasse 14, D-48432 Rheine, Tel. 05971/81959, Fax 05971/87715

Gretlage 2, D-31319 Sehnde, Tel. 05132 9200 - 0, Fax 05132 920029, Website

Im Siepen 15, D-58791 Werdohl, Tel. 02392/722644, Fax 02392/722655, Website