Lone Star Industrial was founded in 1977 by brothers Bob and Ralph Navar. Their mechanical experience extends to their childhood days when they installed a refrigeration system and motor on an old fashioned Flyer wagon. They were able to foresee the need for testing equipment, including fixtures, in the wire harness industry. When those changes occurred, Lone Star Industrial (LSI) began making Spring Test Probes to fit specialized fixtures. LSI has continued to adapt to the needs of the wiring harness manufacturing industry with innovative and redefined products.