📍 3554 Main St, Vallecito, CA, 95251
📞 800-983-5300
Signal Service provides business and home security systems throughout the Sierra foothills, Sacramento Valley and Gold Country. Family owned and operated since 1976, we're dedicated to connecting individuals to the services they need to be protected at home or at work. We install and repair security systems, including burglar alarms and fire alarms, in cities like El Dorado Hills, Jackson and Sonora—as well as many others. When you need total home and business security, it's time to call Signal Service!
📍 Serving Your Area, Hathaway Pines, CA, 95233
📞 209-795-6037
Updated Oct 2026
📍 908 Moran Rd, Arnold, CA, 95223
📞 209-795-8103
🌐 foxsecurityinc.com
Fox Security & Communications Inc is a security service provider located in Arnold, California, specializing in burglar and fire alarm systems for both residential and commercial properties. They also offer surveillance camera systems and 24-hour UL listed central station monitoring. With a recent online presence noted in 2026, the company is well-equipped to meet various security needs in the area.
📍 PO Box 4960, Sonora, CA, 95370
📞 209-694-8067
🌐 www.greystoneelectric.net
Full service alarm company with over 20 years experience in the security and home automation industry.
📍 Serving Your Area, San Andreas, CA, 95249
📞 209-754-0459
📍 124 Tidwall St, Sonora, CA, 95370
📞 209-532-0660
📍 124 Tidwall St, Sonora, CA, 95370
📞 209-770-0659