TSI Incorporated, headquartered in Shoreview, Minnesota, is a global leader in precision measurement instrumentation, software services and workflow management.

Accurate, Reliable and Quality Instrumentation At TSI, we stand behind our accurate, reliable and quality instrumentation. Browse our product categories to find the solution you need.

TSI supports our customers around the world with support, product service and calibration. If you own a TSI instrument, we hope you will take advantage of the benefits available to you.

At TSI we believe in creating a better world by helping protect people, products, and the environment and optimizing research and industrial processes on a global basis. We are …

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While third-party labs can only verify your instrument, TSI can perform multipoint calibration and adjustments, update software, firmware and repair with original parts – all from certified factory …

Visit the TSI history page to browse highlights from our 50+ years building world class measurement instruments.

Bring your expertise and excitement to TSI to develop products and services that protect people and the environment that we live in. Discover your career at TSI!

Getting in touch with TSI is easy. Please complete the form below and a TSI representative will reach out to you shortly.

TSI started in 1961 in Minneapolis, Minnesota. In 1976, TSI built a 32,000 square foot facility in Shoreview, Minnesota, a suburb just north of the capital city, St. Paul. Additions to the building …