The Swiss Katadyn Group is the global Number One in the field of individual water treatment systems and products, with a global market share exceeding 50 percent. Katadyn has been developing water filters, sterilizing agents, and mobile desalinators for travel and marine applications for over 75 years. Numerous international relief organisations and special army units rely on Katadyn products as survival and lifesaving tools.
The company is additionally diversified in the outdoor market with three of its own brands: "PharmaVoyage" first-aid solutions for trips and "Trekking-Mahlzeiten" freeze-dried specialty foods. At the end of 2007, Katadyn acquired Optimus, maker of outdoor stoves and accessories. Katadyn is headquartered in Wallisellen-Zurich, Switzerland, and operates affiliates in Germany, France, the U.S.A., and Singapore.
An increasing number of outdoor enthusiasts and travellers also remember to take along products for producing drinking water when preparing their trips. Katadyn offers you the suitable product for any need - regardless of whether you are travelling as a globetrotter, a holidaymaker, a camper or a sailor.
Trekking-Mahlzeiten is the Number One in Europe in the field of outdoor and expedition foods. The brand is characterised by innovative products, product ranges satisfying customers’ needs and flexible, fast service.

PharmaVoyage offers a personalized solution for all travellers and provides a complete range of outstanding products to face all your health worries.
Optimus has manufactured outdoor stoves in Sweden since 1899. Their complete line of products are designed with 107 years of experience and a burning passion for outdoor cooking. At the end of 2007, Optimus was integrated into the Katadyn Group.