Peter Linas

TSI, Inc. designs and manufactures precision instruments used to measure flow, particulate and other key parameters in environments to government, research institutes and universities with applications ranging from pure research to primary manufacturing. The firm's products include aerosol conditioning system, filter testers, flowmeters and particle counters. It supports the development of new filter media and quality control standards of commercial respirator manufactures. The company was founded in 1958 and is headquartered in Great Falls, MN.