GLA has been manufacturing high quality, lasting animal health thermometers in California since 1969. Customer service is available by phone from 9am – 5pm PST Monday through Friday. Questions can also be sent via email at any time. A GLA team member will respond to all inquiries as quickly as possible. GLA takes pride in manufacturing the best animal health thermometers on the market. The 20 and 25-year old units pictured here are proof that GLA builds thermometers that last.