Corporate History of the Company
| 2009 | Certification in accordance with DIN/EN ISO 9001:2008, Recommendation of the German Federal Association of Food Inspectors |
| 2008 | New building construction on the company site in Weinfelden, Switzerland |
| 2001 | Change of corporate business name to 'sterilAir AG' |
| 1982 | Increase in share capital to CHF 250'000.00 |
| 1962 | Corporate conversion into a joint-stock company whose liability is limited by shares, under the business name of ‘W.A. Kohler AG’ |
| 1952 | General distributorship for Westinghouse 'Sterilamps' in the territories of Germany, Austria and Switzerland |
| 1939 | Business foundation as 'W.A. Kohler, Elektrotechnik und Apparatebau' by Mr. Wilhelm Albert Kohler in Zurich, Switzerland |