Welcome to Sierra Testing Service


Thank you for visiting the Sierra Testing Service web site. Sierra Testing Service is a NIR Forage and Grain testing laboratory specializing in same day results of hay, silage and grain samples. This enables customers to utilize their results when they need them. Sierra Testing Service has the reputation of producing results that match the feeds performance. We have alfalfa hay customers in all the western states supplying the California and export markets. Please view the rest of our web site for information about our company and industry related topics important to you.

SIERRA TESTING SERVICE:  9450 E. Collier Rd.  *  Acampo, CA 95220  *  209.333.3337


Introducing the Equine Grass Program!



We also offer a Round Up Ready Test