Zalco Laboratories was founded in 1979 by John Zaletel, Ph.D and Jim Etherton. What started as a small, independent testing lab for the petroleum industry in Central California quickly grew into a full-service, state-of-the-art testing facility.
![1927_main_image_1](https://zalcolabs.com/wp-content/uploads/2020/02/1927_main_image_1-1.jpg)
![1927_main_image_2](https://zalcolabs.com/wp-content/uploads/2020/02/1927_main_image_2.jpg)
Zalco Laboratories was founded in 1979 by John Zaletel, Ph.D and Jim Etherton. What started as a small, independent testing lab for the petroleum industry in Central California quickly grew into a full-service, state-of-the-art testing facility.