Links
 | VDSI - Verband der Deutschen Sicherheitsingenieure e.V. | |
| Association for experts in occupational, health and environmental issues | ||
| http://www.vdsi.de |
 | DGAH - Deutsche Gesellschaft für Arbeitshygiene e.V. | |
| Interdisciplinarian association and forum for all technical and occupational matters of hygiene | ||
| http://www.dgah.de |
 | IKW - Industrieverband Körperpflege- und Waschmittel e.V. | |
| Federation of manufacturers and distributors of body care products, detergents, skin care and hygiene products | ||
| http://www.ikw.org |