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GLA Agricultural Electronics

GLA Agricultural Electronics has been manufacturing fast, accurate and durable animal health thermometers in California since 1969 and in San Luis Obispo since 1988. GLA thermometers are used worldwide in feedlots, cow/calf operations, dairies, universities, pharmaceutical studies, zoos, and veterinary offices for large and small animals.

We have been a family-owned business for three generations. By focusing on manufacturing one product, GLA ensures that its animal thermometers are the best available. We pride ourselves on producing a high-quality product, providing outstanding customer service and offering dedicated product support to all versions of our thermometers, regardless of age.

Proudly manufactured in the USA and assembled in San Luis Obispo, CA

  • Thermometer Packages

  • Thermometer Probes

  • Accessories

  • GLA was established in 1969

  • All GLA products are assembled in San Luis Obispo, CA

  • GLA has developed seven generations of thermometers and four generations of probes

  • Our thermometers are used in 27 countries worldwide

  • GLA M900 Thermometers are accurate to 0.1° F / C

  • GLA M900 Thermometers can be used in English / Spanish / Chinese

  • GLA M900 Thermometer have a two-year warranty

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Contact Us

Customer service is available by phone from 9am – 5pm PST Monday through Friday. Questions can also be sent via email or by using the form HERE. A GLA team member will respond to all inquiries as quickly as possible.


3563 Sueldo Street, Suite D
San Luis Obispo, CA 93401


(800) 346-1182 Main

(805) 541-3758 Local

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