About TSI, Inc.
TSI Incorporated is a U.S.-based precision measurement and instrumentation company that develops and manufactures instruments, software, and workflow solutions for measuring and analyzing air flow, particles, aerosols, indoor air quality, occupational and environmental health, industrial hygiene, building performance, and related applications. Its products are used in industries including pharmaceuticals, biotechnology, semiconductor manufacturing, healthcare, occupational safety, HVAC, research, and environmental monitoring. TSI was established in 1961 and is headquartered in Shoreview, Minnesota, with operations and sales offices across North America, Europe, and Asia. The company is privately held and operates as a subsidiary of JJF Group Inc.