Since 1991, we have dedicated ourselves to particles and aerosols, integrating our own testing technology into 60 instruments and 20 test benches. In total, this means that 125,000 devices are used worldwide in industry, basic research, and a wide variety of government agencies, all relying on the “Topas” promise of quality. Would you like to become part of this success story and embark on a new path with us? Apply on your own initiative or have a look at our job portal. Are you unsure whether your education makes you a good fit for us? From a wide range of occupational groups that work for us, we present a few in concrete terms. Read more about the variety of occupations with us. An exciting place for carrer starters, pupils and students is the Topas Campus that will show young people with a passion for our industry interesting prospects and a wide range of opportunities to work together.