About

Manufacturer and Distributor of Force, Length and Torsion Testing Equipment - Spring Testing Specialists

Larson Systems Inc. has been in business since 1979 and has continued to be an industry leader with our uncompromising top-quality products. With two patents (U.S. Patent Numbers 6,094,980 & 6,289,744) on the Torsion Spring Tester (TST) line and many other ground-breaking designs on other products, LSI has clearly established the standard for others to follow!

LSI is an engineering-driven company. The president of LSI, David Larson, takes on a very active role in the design process of all our products. We have over 50 testing products covering a wide range of performance and price points. If you have an especially unique testing problem, whether it’s custom tooling for awkward parts or a full-fledged automated testing solution, please feel free to contact us about it.





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